B Set 87 Unknown

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            {
                "id": 1,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 920,
                "question": "What is the tens digit in the number 920?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 410,
                "question": "What is the hundreds digit in the number 410?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "place-value",
                "subType": "standard-form",
                "number": 452,
                "question": "Write the standard form: 4 × 100 + 5 × 10 + 2 × 1 = ? (ones, tens, hundreds place)",
                "answer": 452,
                "correctAnswer": "452",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "place-value",
                "subType": "standard-form",
                "number": 412,
                "question": "Write the standard form: 4 × 100 + 1 × 10 + 2 × 1 = ? (ones, tens, hundreds place)",
                "answer": 412,
                "correctAnswer": "412",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 986,
                "question": "What is the tens digit in the number 986?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "place-value",
                "subType": "compare",
                "number": 132,
                "question": "Compare using place value: 132 ___ 447 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "normal"
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            {
                "id": 7,
                "type": "place-value",
                "subType": "standard-form",
                "number": 694,
                "question": "Write the standard form: 6 × 100 + 9 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 694,
                "correctAnswer": "694",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 478,
                "question": "What is the tens digit in the number 478?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "place-value",
                "subType": "standard-form",
                "number": 929,
                "question": "Write the standard form: 9 × 100 + 2 × 10 + 9 × 1 = ? (ones, tens, hundreds place)",
                "answer": 929,
                "correctAnswer": "929",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "place-value",
                "subType": "compare",
                "number": 539,
                "question": "Compare using place value: 539 ___ 889 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "place-value",
                "subType": "compare",
                "number": 768,
                "question": "Compare using place value: 768 ___ 624 (>, <, or =)",
                "answer": ">",
                "correctAnswer": ">",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 279,
                "question": "What is the hundreds digit in the number 279?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 214,
                "question": "What is the ones digit in the number 214?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "place-value",
                "subType": "standard-form",
                "number": 199,
                "question": "Write the standard form: 1 × 100 + 9 × 10 + 9 × 1 = ? (ones, tens, hundreds place)",
                "answer": 199,
                "correctAnswer": "199",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "place-value",
                "subType": "standard-form",
                "number": 274,
                "question": "Write the standard form: 2 × 100 + 7 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 274,
                "correctAnswer": "274",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "place-value",
                "subType": "standard-form",
                "number": 461,
                "question": "Write the standard form: 4 × 100 + 6 × 10 + 1 × 1 = ? (ones, tens, hundreds place)",
                "answer": 461,
                "correctAnswer": "461",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 586,
                "question": "What is the hundreds digit in the number 586?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 380,
                "question": "What is the tens digit in the number 380?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 179,
                "question": "What is the tens digit in the number 179?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 559,
                "question": "What is the tens digit in the number 559?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "normal"
            }
        ],
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            "columns": 2,
            "problemsPerPage": 20
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        "answerKey": true
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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