B Set 60 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
    "contentData": {
        "operation": "clock-math",
        "subject": "clock-math",
        "difficulty": "medium",
        "config": {
            "maxNumber": 1000,
            "clockMode": "elapsed-time",
            "_gradeLevel": "3"
        },
        "problems": [
            {
                "id": 1,
                "type": "clock-math",
                "subType": "add-time",
                "question": "45 minutes after 7:50 = ?",
                "answer": "8:35",
                "correctAnswer": "8:35",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "clock-math",
                "subType": "add-time",
                "question": "25 minutes after 3:10 = ?",
                "answer": "3:35",
                "correctAnswer": "3:35",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 4, minute hand at 15 minutes]",
                "answer": "4:15",
                "correctAnswer": "4:15",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "clock-math",
                "subType": "add-time",
                "question": "60 minutes after 1:35 = ?",
                "answer": "2:35",
                "correctAnswer": "2:35",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "35 minutes before 2:20 = ?",
                "answer": "1:45",
                "correctAnswer": "1:45",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 10:50 to 12:35?",
                "answer": 105,
                "correctAnswer": "105",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "25 minutes before 6:30 = ?",
                "answer": "6:05",
                "correctAnswer": "6:05",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 7, minute hand at 15 minutes]",
                "answer": "7:15",
                "correctAnswer": "7:15",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "clock-math",
                "subType": "add-time",
                "question": "20 minutes after 5:00 = ?",
                "answer": "5:20",
                "correctAnswer": "5:20",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "clock-math",
                "subType": "subtract-time",
                "question": "40 minutes before 2:45 = ?",
                "answer": "2:05",
                "correctAnswer": "2:05",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 9, minute hand at 15 minutes]",
                "answer": "9:15",
                "correctAnswer": "9:15",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 8:40 to 9:10?",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "clock-math",
                "subType": "add-time",
                "question": "20 minutes after 6:15 = ?",
                "answer": "6:35",
                "correctAnswer": "6:35",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "clock-math",
                "subType": "add-time",
                "question": "65 minutes after 10:55 = ?",
                "answer": "12:00",
                "correctAnswer": "12:00",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "clock-math",
                "subType": "add-time",
                "question": "85 minutes after 3:10 = ?",
                "answer": "4:35",
                "correctAnswer": "4:35",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 9:10 to 9:50?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "clock-math",
                "subType": "elapsed-time",
                "question": "How many minutes from 3:00 to 4:10?",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 5, minute hand at 25 minutes]",
                "answer": "5:25",
                "correctAnswer": "5:25",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [1 o'clock]",
                "answer": "1:00",
                "correctAnswer": "1:00",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "clock-math",
                "subType": "read-time",
                "question": "What time is shown on the clock? [hour hand near 8, minute hand at 10 minutes]",
                "answer": "8:10",
                "correctAnswer": "8:10",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}