Workbook Detail
Clock Math Quarter Hour Hard — Set 82
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"contentData": {
"operation": "clock-math",
"subject": "clock-math",
"difficulty": "hard",
"config": {
"difficulty": "hard",
"clockMode": "quarter-hour",
"maxNumber": 10
},
"problems": [
{
"id": 1,
"type": "clock-math",
"subType": "add-time",
"question": "82 minutes after 6:05 = ?",
"answer": "7:27",
"correctAnswer": "7:27",
"difficulty": "hard"
},
{
"id": 2,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 8, minute hand at 30 minutes]",
"answer": "8:30",
"correctAnswer": "8:30",
"difficulty": "hard"
},
{
"id": 3,
"type": "clock-math",
"subType": "add-time",
"question": "74 minutes after 1:47 = ?",
"answer": "3:01",
"correctAnswer": "3:01",
"difficulty": "hard"
},
{
"id": 4,
"type": "clock-math",
"subType": "subtract-time",
"question": "9 minutes before 6:37 = ?",
"answer": "6:28",
"correctAnswer": "6:28",
"difficulty": "hard"
},
{
"id": 5,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 8, minute hand at 22 minutes]",
"answer": "8:22",
"correctAnswer": "8:22",
"difficulty": "hard"
},
{
"id": 6,
"type": "clock-math",
"subType": "add-time",
"question": "70 minutes after 11:48 = ?",
"answer": "12:58",
"correctAnswer": "12:58",
"difficulty": "hard"
},
{
"id": 7,
"type": "clock-math",
"subType": "add-time",
"question": "88 minutes after 1:08 = ?",
"answer": "2:36",
"correctAnswer": "2:36",
"difficulty": "hard"
},
{
"id": 8,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 8, minute hand at 58 minutes]",
"answer": "8:58",
"correctAnswer": "8:58",
"difficulty": "hard"
},
{
"id": 9,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 9:35 to 11:18?",
"answer": 103,
"correctAnswer": "103",
"difficulty": "hard"
},
{
"id": 10,
"type": "clock-math",
"subType": "subtract-time",
"question": "15 minutes before 12:54 = ?",
"answer": "12:39",
"correctAnswer": "12:39",
"difficulty": "hard"
},
{
"id": 11,
"type": "clock-math",
"subType": "add-time",
"question": "78 minutes after 8:11 = ?",
"answer": "9:29",
"correctAnswer": "9:29",
"difficulty": "hard"
},
{
"id": 12,
"type": "clock-math",
"subType": "subtract-time",
"question": "36 minutes before 10:22 = ?",
"answer": "9:46",
"correctAnswer": "9:46",
"difficulty": "hard"
},
{
"id": 13,
"type": "clock-math",
"subType": "subtract-time",
"question": "22 minutes before 11:28 = ?",
"answer": "11:06",
"correctAnswer": "11:06",
"difficulty": "hard"
},
{
"id": 14,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 1, minute hand at 48 minutes]",
"answer": "1:48",
"correctAnswer": "1:48",
"difficulty": "hard"
},
{
"id": 15,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 8, minute hand at 5 minutes]",
"answer": "8:05",
"correctAnswer": "8:05",
"difficulty": "hard"
},
{
"id": 16,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 2:27 to 3:16?",
"answer": 49,
"correctAnswer": "49",
"difficulty": "hard"
},
{
"id": 17,
"type": "clock-math",
"subType": "subtract-time",
"question": "39 minutes before 11:21 = ?",
"answer": "10:42",
"correctAnswer": "10:42",
"difficulty": "hard"
},
{
"id": 18,
"type": "clock-math",
"subType": "subtract-time",
"question": "3 minutes before 12:01 = ?",
"answer": "11:58",
"correctAnswer": "11:58",
"difficulty": "hard"
},
{
"id": 19,
"type": "clock-math",
"subType": "subtract-time",
"question": "34 minutes before 11:57 = ?",
"answer": "11:23",
"correctAnswer": "11:23",
"difficulty": "hard"
},
{
"id": 20,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 7:36 to 8:02?",
"answer": 26,
"correctAnswer": "26",
"difficulty": "hard"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
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"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 82 minutes after 6:05 = ?
- What time is shown on the clock? [hour hand near 8, minute hand at 30 minutes]
- 74 minutes after 1:47 = ?
- 9 minutes before 6:37 = ?
- What time is shown on the clock? [hour hand near 8, minute hand at 22 minutes]
- 70 minutes after 11:48 = ?
- 88 minutes after 1:08 = ?
- What time is shown on the clock? [hour hand near 8, minute hand at 58 minutes]
- How many minutes from 9:35 to 11:18?
- 15 minutes before 12:54 = ?
- 78 minutes after 8:11 = ?
- 36 minutes before 10:22 = ?
- 22 minutes before 11:28 = ?
- What time is shown on the clock? [hour hand near 1, minute hand at 48 minutes]
- What time is shown on the clock? [hour hand near 8, minute hand at 5 minutes]
- How many minutes from 2:27 to 3:16?
- 39 minutes before 11:21 = ?
- 3 minutes before 12:01 = ?
- 34 minutes before 11:57 = ?
- How many minutes from 7:36 to 8:02?
Practice clock math quarter hour with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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