B Set 50 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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        "problems": [
            {
                "id": 1,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 99?",
                "answer": 100,
                "correctAnswer": "100",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 5s: 20, 25, 30, 35, __",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 30, 40, __, 60, 70",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the stars: How many are there? (3 stars)",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "normal"
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            {
                "id": 5,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 2s: 20, 22, 24, 26, __",
                "answer": 28,
                "correctAnswer": "28",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 40, 50, __, 70, 80",
                "answer": 60,
                "correctAnswer": "60",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 14?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 10, __, 30, 40, 50",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "normal"
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                "id": 9,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 3s: 30, 33, 36, 39, __",
                "answer": 42,
                "correctAnswer": "42",
                "difficulty": "normal"
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                "id": 10,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the squares: How many are there? (21 squares)",
                "answer": 21,
                "correctAnswer": "21",
                "difficulty": "normal"
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            {
                "id": 11,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the triangles: How many are there? (68 triangles)",
                "answer": 68,
                "correctAnswer": "68",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 5s: 5, 10, 15, 20, __",
                "answer": 25,
                "correctAnswer": "25",
                "difficulty": "normal"
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            {
                "id": 14,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 61?",
                "answer": 62,
                "correctAnswer": "62",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 20, 25, 30, __, 40",
                "answer": 35,
                "correctAnswer": "35",
                "difficulty": "normal"
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                "id": 16,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 2s: 40, 42, 44, 46, __",
                "answer": 48,
                "correctAnswer": "48",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the hearts: How many are there? (4 hearts)",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the triangles: How many are there? (29 triangles)",
                "answer": 29,
                "correctAnswer": "29",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the stars: How many are there? (26 stars)",
                "answer": 26,
                "correctAnswer": "26",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 27, 30, __, 36, 39",
                "answer": 33,
                "correctAnswer": "33",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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