Workbook Detail
Clock Math Elapsed Time Hard — Set 9
Start at 10:27. Add 10 minutes. What time is it?
Show answer
Answer: 10:37
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 10:27
- Delta
- 10
- 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 10:27"><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" 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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="69.17" y2="70.74" 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 10:27
Start at 12:47. Add 20 minutes. What time is it?
Show answer
Answer: 1:07
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 12:47
- Delta
- 20
- 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 12:47"><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="116.95" y2="61.02" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="40.14" y2="87.28" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:47
Start at 12:29. Add 60 minutes. What time is it?
Show answer
Answer: 1:29
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 12:29
- Delta
- 60
- Task
- elapsed-time
- Visual
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Start at 4:20. Subtract 85 minutes. What time is it?
Show answer
Answer: 2:55
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 4:20
- Delta
- -85
- Task
- elapsed-time
- Visual
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Start at 7:30. Add 50 minutes. What time is it?
Show answer
Answer: 8:20
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 7:30
- Delta
- 50
- 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="69.95" y2="130.05" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="100" y2="161.2" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:30
Start at 12:04. Add 15 minutes. What time is it?
Show answer
Answer: 12:19
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 12:04
- Delta
- 15
- 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="101.48" y2="57.53" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="124.89" y2="44.09" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 12:04
Start at 9:37. Subtract 50 minutes. What time is it?
Show answer
Answer: 8:47
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 9:37
- Delta
- -50
- 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="59.7" y2="86.51" 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 9:37
Start at 6:11. Add 55 minutes. What time is it?
Show answer
Answer: 7:06
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 6:11
- Delta
- 55
- 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="95.93" y2="142.3" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="155.91" y2="75.11" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 6:11
Start at 10:50. Add 35 minutes. What time is it?
Show answer
Answer: 11:25
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 10:50
- Delta
- 35
- 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="75.62" y2="65.19" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="47" y2="69.4" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 10:50
Start at 12:23. Subtract 70 minutes. What time is it?
Show answer
Answer: 11:13
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 12:23
- Delta
- -70
- 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="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 4:45. Subtract 90 minutes. What time is it?
Show answer
Answer: 3:15
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 4:45
- Delta
- -90
- 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="125.87" y2="133.72" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="38.8" y2="100" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 4:45
Start at 7:45. Add 85 minutes. What time is it?
Show answer
Answer: 9:10
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 7:45
- Delta
- 85
- 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="66.28" y2="125.87" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="38.8" y2="100" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 7:45
Start at 12:35. Add 20 minutes. What time is it?
Show answer
Answer: 12:55
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 12:35
- Delta
- 20
- Task
- elapsed-time
- Visual
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Start at 6:39. Subtract 40 minutes. What time is it?
Show answer
Answer: 5:59
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 6:39
- Delta
- -40
- 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="85.81" y2="140.06" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="50.49" y2="135.97" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 6:39
Start at 3:34. Add 15 minutes. What time is it?
Show answer
Answer: 3:49
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 3:34
- Delta
- 15
- Task
- elapsed-time
- Visual
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Start at 6:16. Subtract 80 minutes. What time is it?
Show answer
Answer: 4:56
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 6:16
- Delta
- -80
- 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="94.09" y2="142.09" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="160.86" y2="106.4" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 6:16
Start at 9:21. Add 80 minutes. What time is it?
Show answer
Answer: 10:41
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 9:21
- Delta
- 80
- Task
- elapsed-time
- Visual
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Start at 11:34. Subtract 90 minutes. What time is it?
Show answer
Answer: 10:04
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 11:34
- Delta
- -90
- 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="90.44" y2="58.59" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="75.11" y2="155.91" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>AltText: Clock showing 11:34
Start at 5:29. Add 90 minutes. What time is it?
Show answer
Answer: 6:59
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 5:29
- Delta
- 90
- Task
- elapsed-time
- Visual
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Start at 9:56. Add 40 minutes. What time is it?
Show answer
Answer: 10:36
- Mode
- elapsed-time
- Difficulty
- hard
- StartTime
- 9:56
- Delta
- 40
- Task
- elapsed-time
- Visual
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Teaching Notes
Practice clock math elapsed time with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Clock Math Elapsed Time 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.
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