Time Am Pm Starter — Set 30

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    "contentData": {
        "operation": "clock-math",
        "subject": "clock-math",
        "difficulty": "starter",
        "config": {
            "difficulty": "starter",
            "clockMode": "hour",
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [2 o'clock]",
                "answer": "2:00",
                "correctAnswer": "2:00",
                "difficulty": "starter"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "30 minutes before 12:30 = ?",
                "answer": "12:00",
                "correctAnswer": "12:00",
                "difficulty": "starter"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 4:30 = ?",
                "answer": "3:30",
                "correctAnswer": "3:30",
                "difficulty": "starter"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 7, minute hand at 30 minutes]",
                "answer": "7:30",
                "correctAnswer": "7:30",
                "difficulty": "starter"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 11:00 = ?",
                "answer": "10:00",
                "correctAnswer": "10:00",
                "difficulty": "starter"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "add-time",
                "question": "60 minutes after 9:30 = ?",
                "answer": "10:30",
                "correctAnswer": "10:30",
                "difficulty": "starter"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:30 to 10:00?",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "starter"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "add-time",
                "question": "90 minutes after 2:30 = ?",
                "answer": "4:00",
                "correctAnswer": "4:00",
                "difficulty": "starter"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [10 o'clock]",
                "answer": "10:00",
                "correctAnswer": "10:00",
                "difficulty": "starter"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 1:30 to 2:30?",
                "answer": 60,
                "correctAnswer": "60",
                "difficulty": "starter"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 11:30 = ?",
                "answer": "10:30",
                "correctAnswer": "10:30",
                "difficulty": "starter"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 9:30 = ?",
                "answer": "8:30",
                "correctAnswer": "8:30",
                "difficulty": "starter"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:30 to 12:30?",
                "answer": 120,
                "correctAnswer": "120",
                "difficulty": "starter"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "30 minutes before 9:30 = ?",
                "answer": "9:00",
                "correctAnswer": "9:00",
                "difficulty": "starter"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 2:30 to 4:30?",
                "answer": 120,
                "correctAnswer": "120",
                "difficulty": "starter"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:00 to 11:00?",
                "answer": 120,
                "correctAnswer": "120",
                "difficulty": "starter"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 4:00 = ?",
                "answer": "3:00",
                "correctAnswer": "3:00",
                "difficulty": "starter"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "add-time",
                "question": "30 minutes after 3:00 = ?",
                "answer": "3:30",
                "correctAnswer": "3:30",
                "difficulty": "starter"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "30 minutes before 10:30 = ?",
                "answer": "10:00",
                "correctAnswer": "10:00",
                "difficulty": "starter"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "60 minutes before 2:00 = ?",
                "answer": "1:00",
                "correctAnswer": "1:00",
                "difficulty": "starter"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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