B Set 51 Unknown

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        "subject": "arithmetic",
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                "id": 1,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 2647,
                "question": "What is the tens digit in the number 2647?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "place-value",
                "subType": "compare",
                "number": 9280,
                "question": "Compare using place value: 9280 ___ 4691 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 7740,
                "question": "What is the tens digit in the number 7740?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "place-value",
                "subType": "compare",
                "number": 3147,
                "question": "Compare using place value: 3147 ___ 8174 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "place-value",
                "subType": "standard-form",
                "number": 6774,
                "question": "Write the standard form: 6 × 1000 + 7 × 100 + 7 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 6774,
                "correctAnswer": "6774",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 2566,
                "question": "What is the tens digit in the number 2566?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 6329,
                "question": "What is the tens digit in the number 6329?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "place-value",
                "subType": "compare",
                "number": 4912,
                "question": "Compare using place value: 4912 ___ 6663 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "medium"
            },
            {
                "id": 9,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 1886,
                "question": "Write 1886 using place value expanded form. What is the expanded form?",
                "answer": "1 × 1000 + 8 × 100 + 8 × 10 + 6 × 1",
                "correctAnswer": "1 × 1000 + 8 × 100 + 8 × 10 + 6 × 1",
                "difficulty": "medium"
            },
            {
                "id": 10,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 9939,
                "question": "What is the tens digit in the number 9939?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "medium"
            },
            {
                "id": 11,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 1064,
                "question": "What is the thousands digit in the number 1064?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "medium"
            },
            {
                "id": 12,
                "type": "place-value",
                "subType": "standard-form",
                "number": 8953,
                "question": "Write the standard form: 8 × 1000 + 9 × 100 + 5 × 10 + 3 × 1 = ? (ones, tens, hundreds place)",
                "answer": 8953,
                "correctAnswer": "8953",
                "difficulty": "medium"
            },
            {
                "id": 13,
                "type": "place-value",
                "subType": "compare",
                "number": 7226,
                "question": "Compare using place value: 7226 ___ 5604 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "medium"
            },
            {
                "id": 14,
                "type": "place-value",
                "subType": "compare",
                "number": 6605,
                "question": "Compare using place value: 6605 ___ 4221 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "medium"
            },
            {
                "id": 15,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 4824,
                "question": "What is the tens digit in the number 4824?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "medium"
            },
            {
                "id": 16,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 8676,
                "question": "What is the ones digit in the number 8676?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "medium"
            },
            {
                "id": 17,
                "type": "place-value",
                "subType": "compare",
                "number": 5635,
                "question": "Compare using place value: 5635 ___ 4335 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "medium"
            },
            {
                "id": 18,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 5716,
                "question": "Write 5716 using place value expanded form. What is the expanded form?",
                "answer": "5 × 1000 + 7 × 100 + 1 × 10 + 6 × 1",
                "correctAnswer": "5 × 1000 + 7 × 100 + 1 × 10 + 6 × 1",
                "difficulty": "medium"
            },
            {
                "id": 19,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 3204,
                "question": "Write 3204 using place value expanded form. What is the expanded form?",
                "answer": "3 × 1000 + 2 × 100 + 4 × 1",
                "correctAnswer": "3 × 1000 + 2 × 100 + 4 × 1",
                "difficulty": "medium"
            },
            {
                "id": 20,
                "type": "place-value",
                "subType": "standard-form",
                "number": 1494,
                "question": "Write the standard form: 1 × 1000 + 4 × 100 + 9 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 1494,
                "correctAnswer": "1494",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
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        "screen": true,
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        "answerKey": true
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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