B Set 51 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": "place-value",
        "subject": "arithmetic",
        "difficulty": "easy",
        "config": {
            "maxNumber": 10
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        "problems": [
            {
                "id": 1,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 239,
                "question": "What is the hundreds digit in the number 239?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 827,
                "question": "What is the ones digit in the number 827?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "place-value",
                "subType": "standard-form",
                "number": 658,
                "question": "Write the standard form: 6 × 100 + 5 × 10 + 8 × 1 = ? (ones, tens, hundreds place)",
                "answer": 658,
                "correctAnswer": "658",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 235,
                "question": "What is the ones digit in the number 235?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 668,
                "question": "Write 668 using place value expanded form. What is the expanded form?",
                "answer": "6 × 100 + 6 × 10 + 8 × 1",
                "correctAnswer": "6 × 100 + 6 × 10 + 8 × 1",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 762,
                "question": "What is the hundreds digit in the number 762?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 139,
                "question": "What is the ones digit in the number 139?",
                "answer": 9,
                "correctAnswer": "9",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "place-value",
                "subType": "standard-form",
                "number": 799,
                "question": "Write the standard form: 7 × 100 + 9 × 10 + 9 × 1 = ? (ones, tens, hundreds place)",
                "answer": 799,
                "correctAnswer": "799",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "place-value",
                "subType": "standard-form",
                "number": 289,
                "question": "Write the standard form: 2 × 100 + 8 × 10 + 9 × 1 = ? (ones, tens, hundreds place)",
                "answer": 289,
                "correctAnswer": "289",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "place-value",
                "subType": "standard-form",
                "number": 939,
                "question": "Write the standard form: 9 × 100 + 3 × 10 + 9 × 1 = ? (ones, tens, hundreds place)",
                "answer": 939,
                "correctAnswer": "939",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 894,
                "question": "What is the ones digit in the number 894?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "place-value",
                "subType": "standard-form",
                "number": 696,
                "question": "Write the standard form: 6 × 100 + 9 × 10 + 6 × 1 = ? (ones, tens, hundreds place)",
                "answer": 696,
                "correctAnswer": "696",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "place-value",
                "subType": "standard-form",
                "number": 258,
                "question": "Write the standard form: 2 × 100 + 5 × 10 + 8 × 1 = ? (ones, tens, hundreds place)",
                "answer": 258,
                "correctAnswer": "258",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "place-value",
                "subType": "standard-form",
                "number": 115,
                "question": "Write the standard form: 1 × 100 + 1 × 10 + 5 × 1 = ? (ones, tens, hundreds place)",
                "answer": 115,
                "correctAnswer": "115",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 103,
                "question": "What is the tens digit in the number 103?",
                "answer": 0,
                "correctAnswer": "0",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "place-value",
                "subType": "standard-form",
                "number": 541,
                "question": "Write the standard form: 5 × 100 + 4 × 10 + 1 × 1 = ? (ones, tens, hundreds place)",
                "answer": 541,
                "correctAnswer": "541",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 615,
                "question": "What is the hundreds digit in the number 615?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 563,
                "question": "What is the tens digit in the number 563?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "place-value",
                "subType": "standard-form",
                "number": 917,
                "question": "Write the standard form: 9 × 100 + 1 × 10 + 7 × 1 = ? (ones, tens, hundreds place)",
                "answer": 917,
                "correctAnswer": "917",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 721,
                "question": "What is the ones digit in the number 721?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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