Workbook Detail
Time 1 Minute Hard — Set 9
Start at 5:35. Add 87 minutes. What time is it?
Show answer
Answer: 7:02
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 5:35
- Delta
- 87
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:35"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="109.2" y2="141.49" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="69.4" y2="153" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:35
Start at 12:29. Subtract 62 minutes. What time is it?
Show answer
Answer: 11:27
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 12:29
- Delta
- -62
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:29"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="110.64" y2="58.85" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="106.4" y2="160.86" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:29
Start at 4:53. Subtract 36 minutes. What time is it?
Show answer
Answer: 4:17
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 4:53
- Delta
- -36
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 4:53"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="123.46" y2="135.44" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="59.05" y2="54.52" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 4:53
Start at 10:03. Subtract 42 minutes. What time is it?
Show answer
Answer: 9:21
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 10:03
- Delta
- -42
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:03"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="63.76" y2="77.79" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="118.91" y2="41.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 10:03
Start at 12:23. Subtract 21 minutes. What time is it?
Show answer
Answer: 12:02
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 12:23
- Delta
- -21
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:23"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="108.47" y2="58.35" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="140.95" y2="145.48" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:23
Start at 7:41. Subtract 8 minutes. What time is it?
Show answer
Answer: 7:33
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 7:41
- Delta
- -8
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 7:41"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="67.21" y2="127.03" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="44.09" y2="124.89" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:41
Start at 5:48. Subtract 75 minutes. What time is it?
Show answer
Answer: 4:33
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 5:48
- Delta
- -75
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:48"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="104.44" y2="142.27" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="41.8" y2="81.09" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:48
Start at 8:33. Add 55 minutes. What time is it?
Show answer
Answer: 9:28
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 8:33
- Delta
- 55
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 8:33"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="58.67" y2="109.92" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="81.09" y2="158.2" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 8:33
Start at 5:37. Add 59 minutes. What time is it?
Show answer
Answer: 6:36
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 5:37
- Delta
- 59
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:37"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="108.47" y2="141.65" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="59.05" y2="145.48" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:37
Start at 11:53. Subtract 71 minutes. What time is it?
Show answer
Answer: 10:42
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 11:53
- Delta
- -71
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 11:53"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="97.41" y2="57.58" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="59.05" y2="54.52" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 11:53
Start at 10:05. Add 45 minutes. What time is it?
Show answer
Answer: 10:50
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 10:05
- Delta
- 45
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:05"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="64.16" y2="77.16" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="130.6" y2="47" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 10:05
Start at 6:52. Add 73 minutes. What time is it?
Show answer
Answer: 8:05
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 6:52
- Delta
- 73
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 6:52"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="81.37" y2="138.2" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="54.52" y2="59.05" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 6:52
Start at 12:14. Subtract 82 minutes. What time is it?
Show answer
Answer: 10:52
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 12:14
- Delta
- -82
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:14"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="105.18" y2="57.82" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="160.86" y2="93.6" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:14
Start at 7:27. Subtract 85 minutes. What time is it?
Show answer
Answer: 6:02
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 7:27
- Delta
- -85
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 7:27"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="70.74" y2="130.83" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="118.91" y2="158.2" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:27
Start at 7:41. Subtract 52 minutes. What time is it?
Show answer
Answer: 6:49
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 7:41
- Delta
- -52
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 7:41"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="67.21" y2="127.03" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="44.09" y2="124.89" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:41
Start at 12:20. Add 67 minutes. What time is it?
Show answer
Answer: 1:27
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 12:20
- Delta
- 67
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:20"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="107.38" y2="58.15" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="153" y2="130.6" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:20
Start at 10:06. Subtract 84 minutes. What time is it?
Show answer
Answer: 8:42
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 10:06
- Delta
- -84
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:06"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="64.36" y2="76.85" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="135.97" y2="50.49" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 10:06
Start at 11:15. Subtract 32 minutes. What time is it?
Show answer
Answer: 10:43
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 11:15
- Delta
- -32
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 11:15"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="83.74" y2="60.74" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="161.2" y2="100" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 11:15
Start at 9:23. Subtract 61 minutes. What time is it?
Show answer
Answer: 8:22
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 9:23
- Delta
- -61
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 9:23"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="58.35" y2="91.53" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="140.95" y2="145.48" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 9:23
Start at 6:02. Subtract 13 minutes. What time is it?
Show answer
Answer: 5:49
- Mode
- 1-minute
- Difficulty
- hard
- StartTime
- 6:02
- Delta
- -13
- Task
- elapsed-time
- Visual
- Type: inline-svgSvg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 6:02"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="99.26" y2="142.49" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="112.72" y2="40.14" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 6:02
Teaching Notes
Practice time 1 minute with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Time 1 Minute Hard Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.