B Set 55 Unknown

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

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        "operation": "counting",
        "subject": "arithmetic",
        "difficulty": "medium",
        "config": {
            "maxNumber": 100,
            "maxSum": 1000,
            "maxOperand": 1000,
            "_gradeLevel": "2"
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                "id": 1,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 9, 12, __, 18, 21",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 10, __, 30, 40, 50",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the hearts: How many are there? (82 hearts)",
                "answer": 82,
                "correctAnswer": "82",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 50, 52, __, 56, 58",
                "answer": 54,
                "correctAnswer": "54",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 5s: 5, 10, 15, 20, __",
                "answer": 25,
                "correctAnswer": "25",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 18, __, 22, 24, 26",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the dots: How many are there? (24 dots)",
                "answer": 24,
                "correctAnswer": "24",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the apples: How many are there? (12 apples)",
                "answer": 12,
                "correctAnswer": "12",
                "difficulty": "normal"
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            {
                "id": 9,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 3s: 45, 48, 51, 54, __",
                "answer": 57,
                "correctAnswer": "57",
                "difficulty": "normal"
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                "id": 10,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 10s: 50, 60, 70, 80, __",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 10s: 30, 40, 50, 60, __",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 50, 60, 70, __, 90",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 30?",
                "answer": 31,
                "correctAnswer": "31",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 10s: 20, 30, 40, 50, __",
                "answer": 60,
                "correctAnswer": "60",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 10s: 40, 50, 60, 70, __",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 10s: 10, 20, 30, 40, __",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the squares: How many are there? (72 squares)",
                "answer": 72,
                "correctAnswer": "72",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 0?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 5s: 50, 55, 60, 65, __",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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