Workbook Detail
Time Grade 1 Time Challenge — Set 75
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{
"contentData": {
"operation": "clock-math",
"subject": "clock-math",
"difficulty": "medium",
"config": {
"clockMode": "hour",
"maxNumber": 10
},
"problems": [
{
"id": 1,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 10:25 to 11:05?",
"answer": 40,
"correctAnswer": "40",
"difficulty": "normal"
},
{
"id": 2,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 2, minute hand at 50 minutes]",
"answer": "2:50",
"correctAnswer": "2:50",
"difficulty": "normal"
},
{
"id": 3,
"type": "clock-math",
"subType": "add-time",
"question": "10 minutes after 2:25 = ?",
"answer": "2:35",
"correctAnswer": "2:35",
"difficulty": "normal"
},
{
"id": 4,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 10, minute hand at 55 minutes]",
"answer": "10:55",
"correctAnswer": "10:55",
"difficulty": "normal"
},
{
"id": 5,
"type": "clock-math",
"subType": "subtract-time",
"question": "45 minutes before 8:25 = ?",
"answer": "7:40",
"correctAnswer": "7:40",
"difficulty": "normal"
},
{
"id": 6,
"type": "clock-math",
"subType": "add-time",
"question": "85 minutes after 11:30 = ?",
"answer": "12:55",
"correctAnswer": "12:55",
"difficulty": "normal"
},
{
"id": 7,
"type": "clock-math",
"subType": "subtract-time",
"question": "5 minutes before 7:30 = ?",
"answer": "7:25",
"correctAnswer": "7:25",
"difficulty": "normal"
},
{
"id": 8,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 4:45 to 6:35?",
"answer": 110,
"correctAnswer": "110",
"difficulty": "normal"
},
{
"id": 9,
"type": "clock-math",
"subType": "subtract-time",
"question": "40 minutes before 4:05 = ?",
"answer": "3:25",
"correctAnswer": "3:25",
"difficulty": "normal"
},
{
"id": 10,
"type": "clock-math",
"subType": "subtract-time",
"question": "40 minutes before 6:50 = ?",
"answer": "6:10",
"correctAnswer": "6:10",
"difficulty": "normal"
},
{
"id": 11,
"type": "clock-math",
"subType": "subtract-time",
"question": "45 minutes before 6:45 = ?",
"answer": "6:00",
"correctAnswer": "6:00",
"difficulty": "normal"
},
{
"id": 12,
"type": "clock-math",
"subType": "add-time",
"question": "75 minutes after 11:20 = ?",
"answer": "12:35",
"correctAnswer": "12:35",
"difficulty": "normal"
},
{
"id": 13,
"type": "clock-math",
"subType": "add-time",
"question": "15 minutes after 2:00 = ?",
"answer": "2:15",
"correctAnswer": "2:15",
"difficulty": "normal"
},
{
"id": 14,
"type": "clock-math",
"subType": "add-time",
"question": "15 minutes after 9:30 = ?",
"answer": "9:45",
"correctAnswer": "9:45",
"difficulty": "normal"
},
{
"id": 15,
"type": "clock-math",
"subType": "subtract-time",
"question": "20 minutes before 5:25 = ?",
"answer": "5:05",
"correctAnswer": "5:05",
"difficulty": "normal"
},
{
"id": 16,
"type": "clock-math",
"subType": "subtract-time",
"question": "35 minutes before 8:55 = ?",
"answer": "8:20",
"correctAnswer": "8:20",
"difficulty": "normal"
},
{
"id": 17,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 1:45 to 1:50?",
"answer": 5,
"correctAnswer": "5",
"difficulty": "normal"
},
{
"id": 18,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 11, minute hand at 30 minutes]",
"answer": "11:30",
"correctAnswer": "11:30",
"difficulty": "normal"
},
{
"id": 19,
"type": "clock-math",
"subType": "elapsed-time",
"question": "How many minutes from 2:20 to 2:55?",
"answer": 35,
"correctAnswer": "35",
"difficulty": "normal"
},
{
"id": 20,
"type": "clock-math",
"subType": "read-time",
"question": "What time is shown on the clock? [hour hand near 7, minute hand at 10 minutes]",
"answer": "7:10",
"correctAnswer": "7:10",
"difficulty": "normal"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
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},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- How many minutes from 10:25 to 11:05?
- What time is shown on the clock? [hour hand near 2, minute hand at 50 minutes]
- 10 minutes after 2:25 = ?
- What time is shown on the clock? [hour hand near 10, minute hand at 55 minutes]
- 45 minutes before 8:25 = ?
- 85 minutes after 11:30 = ?
- 5 minutes before 7:30 = ?
- How many minutes from 4:45 to 6:35?
- 40 minutes before 4:05 = ?
- 40 minutes before 6:50 = ?
- 45 minutes before 6:45 = ?
- 75 minutes after 11:20 = ?
- 15 minutes after 2:00 = ?
- 15 minutes after 9:30 = ?
- 20 minutes before 5:25 = ?
- 35 minutes before 8:55 = ?
- How many minutes from 1:45 to 1:50?
- What time is shown on the clock? [hour hand near 11, minute hand at 30 minutes]
- How many minutes from 2:20 to 2:55?
- What time is shown on the clock? [hour hand near 7, minute hand at 10 minutes]
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