Time Half Hour Grade 3 — Set 14

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        "problems": [
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                "id": 1,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:30 to 9:35?",
                "answer": 65,
                "correctAnswer": "65",
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                "question": "How many minutes from 9:40 to 10:40?",
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            {
                "id": 3,
                "type": "clock-math",
                "subType": "add-time",
                "question": "35 minutes after 1:45 = ?",
                "answer": "2:20",
                "correctAnswer": "2:20",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 4:40 to 6:30?",
                "answer": 110,
                "correctAnswer": "110",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "45 minutes before 10:15 = ?",
                "answer": "9:30",
                "correctAnswer": "9:30",
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            {
                "id": 6,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "25 minutes before 6:45 = ?",
                "answer": "6:20",
                "correctAnswer": "6:20",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 5:55 to 7:20?",
                "answer": 85,
                "correctAnswer": "85",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 12, minute hand at 5 minutes]",
                "answer": "12:05",
                "correctAnswer": "12:05",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "90 minutes after 11:45 = ?",
                "answer": "1:15",
                "correctAnswer": "1:15",
                "difficulty": "normal"
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            {
                "id": 10,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:25 to 8:50?",
                "answer": 25,
                "correctAnswer": "25",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:55 to 5:10?",
                "answer": 75,
                "correctAnswer": "75",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 9, minute hand at 5 minutes]",
                "answer": "9:05",
                "correctAnswer": "9:05",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 40 minutes]",
                "answer": "8:40",
                "correctAnswer": "8:40",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "15 minutes before 3:00 = ?",
                "answer": "2:45",
                "correctAnswer": "2:45",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 7:40 to 9:25?",
                "answer": 105,
                "correctAnswer": "105",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "5 minutes before 2:00 = ?",
                "answer": "1:55",
                "correctAnswer": "1:55",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "add-time",
                "question": "15 minutes after 7:15 = ?",
                "answer": "7:30",
                "correctAnswer": "7:30",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:35 to 10:55?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "30 minutes before 3:45 = ?",
                "answer": "3:15",
                "correctAnswer": "3:15",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:50 to 3:40?",
                "answer": 110,
                "correctAnswer": "110",
                "difficulty": "normal"
            }
        ],
        "layout": {
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