Workbook Detail
Clock Math Hour Medium — Set 3
Start at 11:00. Subtract 6 hours. What time is it?
Show answer
Answer: 10:54
- Mode
- hour
- Difficulty
- medium
- StartTime
- 11:00
- Delta
- -6
- 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 11:00"><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" 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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="78.75" y2="63.19" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 11:00
Start at 10:00. Subtract 6 hours. What time is it?
Show answer
Answer: 9:54
- Mode
- hour
- Difficulty
- medium
- StartTime
- 10:00
- Delta
- -6
- 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 10:00"><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" 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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="63.19" y2="78.75" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 10:00
Start at 3:00. Subtract 6 hours. What time is it?
Show answer
Answer: 2:54
- Mode
- hour
- Difficulty
- medium
- StartTime
- 3:00
- Delta
- -6
- Task
- elapsed-time
- Visual
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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="142.5" y2="100" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 3:00
Start at 4:00. Add 4 hours. What time is it?
Show answer
Answer: 4:04
- Mode
- hour
- Difficulty
- medium
- StartTime
- 4:00
- Delta
- 4
- Task
- elapsed-time
- Visual
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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="136.81" y2="121.25" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 4:00
Start at 2:00. Add 3 hours. What time is it?
Show answer
Answer: 2:03
- Mode
- hour
- Difficulty
- medium
- StartTime
- 2:00
- Delta
- 3
- Task
- elapsed-time
- Visual
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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="136.81" y2="78.75" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 2:00
Start at 12:00. Subtract 3 hours. What time is it?
Show answer
Answer: 11:57
- Mode
- hour
- Difficulty
- medium
- StartTime
- 12:00
- Delta
- -3
- Task
- elapsed-time
- Visual
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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="100" y2="57.5" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:00
Start at 12:00. Add 4 hours. What time is it?
Show answer
Answer: 12:04
- Mode
- hour
- Difficulty
- medium
- StartTime
- 12:00
- Delta
- 4
- Task
- elapsed-time
- Visual
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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="100" y2="57.5" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:00
Start at 12:00. Add 4 hours. What time is it?
Show answer
Answer: 12:04
- Mode
- hour
- Difficulty
- medium
- StartTime
- 12:00
- Delta
- 4
- Task
- elapsed-time
- Visual
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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="100" y2="57.5" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:00
Start at 9:00. Subtract 1 hour. What time is it?
Show answer
Answer: 8:59
- Mode
- hour
- Difficulty
- medium
- StartTime
- 9:00
- Delta
- -1
- Task
- elapsed-time
- Visual
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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="57.5" y2="100" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 9:00
Start at 5:00. Add 5 hours. What time is it?
Show answer
Answer: 5:05
- Mode
- hour
- Difficulty
- medium
- StartTime
- 5:00
- Delta
- 5
- Task
- elapsed-time
- Visual
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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="121.25" y2="136.81" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:00
Start at 8:00. Subtract 6 hours. What time is it?
Show answer
Answer: 7:54
- Mode
- hour
- Difficulty
- medium
- StartTime
- 8:00
- Delta
- -6
- Task
- elapsed-time
- Visual
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Start at 5:00. Add 6 hours. What time is it?
Show answer
Answer: 5:06
- Mode
- hour
- Difficulty
- medium
- StartTime
- 5:00
- Delta
- 6
- Task
- elapsed-time
- Visual
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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="121.25" y2="136.81" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:00
Start at 2:00. Add 4 hours. What time is it?
Show answer
Answer: 2:04
- Mode
- hour
- Difficulty
- medium
- StartTime
- 2:00
- Delta
- 4
- Task
- elapsed-time
- Visual
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Start at 5:00. Add 4 hours. What time is it?
Show answer
Answer: 5:04
- Mode
- hour
- Difficulty
- medium
- StartTime
- 5:00
- Delta
- 4
- Task
- elapsed-time
- Visual
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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="121.25" y2="136.81" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 5:00
Start at 2:00. Subtract 4 hours. What time is it?
Show answer
Answer: 1:56
- Mode
- hour
- Difficulty
- medium
- StartTime
- 2:00
- Delta
- -4
- Task
- elapsed-time
- Visual
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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="136.81" y2="78.75" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 2:00
Start at 8:00. Add 2 hours. What time is it?
Show answer
Answer: 8:02
- Mode
- hour
- Difficulty
- medium
- StartTime
- 8:00
- Delta
- 2
- Task
- elapsed-time
- Visual
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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="63.19" y2="121.25" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 8:00
Start at 7:00. Subtract 6 hours. What time is it?
Show answer
Answer: 6:54
- Mode
- hour
- Difficulty
- medium
- StartTime
- 7:00
- Delta
- -6
- Task
- elapsed-time
- Visual
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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="78.75" y2="136.81" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:00
Start at 4:00. Subtract 4 hours. What time is it?
Show answer
Answer: 3:56
- Mode
- hour
- Difficulty
- medium
- StartTime
- 4:00
- Delta
- -4
- Task
- elapsed-time
- Visual
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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="136.81" y2="121.25" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="38.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 4:00
Start at 9:00. Subtract 2 hours. What time is it?
Show answer
Answer: 8:58
- Mode
- hour
- Difficulty
- medium
- StartTime
- 9:00
- Delta
- -2
- Task
- elapsed-time
- Visual
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Start at 9:00. Add 5 hours. What time is it?
Show answer
Answer: 9:05
- Mode
- hour
- Difficulty
- medium
- StartTime
- 9:00
- Delta
- 5
- Task
- elapsed-time
- Visual
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Teaching Notes
Practice clock math hour with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Clock Math Hour Medium 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.