B Set 28 Unknown

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                "id": 1,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 26,
                "question": "What is the tens digit in the number 26?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "easy"
            },
            {
                "id": 2,
                "type": "place-value",
                "subType": "compare",
                "number": 74,
                "question": "Compare using place value: 74 ___ 13 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "easy"
            },
            {
                "id": 3,
                "type": "place-value",
                "subType": "standard-form",
                "number": 32,
                "question": "Write the standard form: 3 × 10 + 2 × 1 = ? (ones, tens, hundreds place)",
                "answer": 32,
                "correctAnswer": "32",
                "difficulty": "easy"
            },
            {
                "id": 4,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 54,
                "question": "Write 54 using place value expanded form. What is the expanded form?",
                "answer": "5 × 10 + 4 × 1",
                "correctAnswer": "5 × 10 + 4 × 1",
                "difficulty": "easy"
            },
            {
                "id": 5,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 91,
                "question": "What is the ones digit in the number 91?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 6,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 84,
                "question": "What is the ones digit in the number 84?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "easy"
            },
            {
                "id": 7,
                "type": "place-value",
                "subType": "compare",
                "number": 44,
                "question": "Compare using place value: 44 ___ 56 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "easy"
            },
            {
                "id": 8,
                "type": "place-value",
                "subType": "standard-form",
                "number": 64,
                "question": "Write the standard form: 6 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 64,
                "correctAnswer": "64",
                "difficulty": "easy"
            },
            {
                "id": 9,
                "type": "place-value",
                "subType": "compare",
                "number": 13,
                "question": "Compare using place value: 13 ___ 18 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "easy"
            },
            {
                "id": 10,
                "type": "place-value",
                "subType": "compare",
                "number": 73,
                "question": "Compare using place value: 73 ___ 69 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "easy"
            },
            {
                "id": 12,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 85,
                "question": "What is the tens digit in the number 85?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "easy"
            },
            {
                "id": 13,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 61,
                "question": "What is the ones digit in the number 61?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 14,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 51,
                "question": "What is the ones digit in the number 51?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 15,
                "type": "place-value",
                "subType": "compare",
                "number": 18,
                "question": "Compare using place value: 18 ___ 21 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "easy"
            },
            {
                "id": 16,
                "type": "place-value",
                "subType": "standard-form",
                "number": 73,
                "question": "Write the standard form: 7 × 10 + 3 × 1 = ? (ones, tens, hundreds place)",
                "answer": 73,
                "correctAnswer": "73",
                "difficulty": "easy"
            },
            {
                "id": 17,
                "type": "place-value",
                "subType": "compare",
                "number": 48,
                "question": "Compare using place value: 48 ___ 24 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "easy"
            },
            {
                "id": 18,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 76,
                "question": "What is the ones digit in the number 76?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "easy"
            },
            {
                "id": 19,
                "type": "place-value",
                "subType": "standard-form",
                "number": 42,
                "question": "Write the standard form: 4 × 10 + 2 × 1 = ? (ones, tens, hundreds place)",
                "answer": 42,
                "correctAnswer": "42",
                "difficulty": "easy"
            },
            {
                "id": 20,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 25,
                "question": "What is the tens digit in the number 25?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "easy"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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