B Set 30 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",
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            "maxNumber": 10
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        "problems": [
            {
                "id": 1,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 27,
                "question": "Write 27 using place value expanded form. What is the expanded form?",
                "answer": "2 × 10 + 7 × 1",
                "correctAnswer": "2 × 10 + 7 × 1",
                "difficulty": "easy"
            },
            {
                "id": 2,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 81,
                "question": "Write 81 using place value expanded form. What is the expanded form?",
                "answer": "8 × 10 + 1 × 1",
                "correctAnswer": "8 × 10 + 1 × 1",
                "difficulty": "easy"
            },
            {
                "id": 3,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 12,
                "question": "What is the tens digit in the number 12?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 4,
                "type": "place-value",
                "subType": "standard-form",
                "number": 50,
                "question": "Write the standard form: 5 × 10 = ? (ones, tens, hundreds place)",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "easy"
            },
            {
                "id": 5,
                "type": "place-value",
                "subType": "compare",
                "number": 35,
                "question": "Compare using place value: 35 ___ 38 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "easy"
            },
            {
                "id": 6,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 22,
                "question": "What is the ones digit in the number 22?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "easy"
            },
            {
                "id": 7,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 58,
                "question": "What is the ones digit in the number 58?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "easy"
            },
            {
                "id": 8,
                "type": "place-value",
                "subType": "compare",
                "number": 54,
                "question": "Compare using place value: 54 ___ 83 (>, <, or =)",
                "answer": "<",
                "correctAnswer": "<",
                "difficulty": "easy"
            },
            {
                "id": 9,
                "type": "place-value",
                "subType": "standard-form",
                "number": 84,
                "question": "Write the standard form: 8 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 84,
                "correctAnswer": "84",
                "difficulty": "easy"
            },
            {
                "id": 10,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 42,
                "question": "Write 42 using place value expanded form. What is the expanded form?",
                "answer": "4 × 10 + 2 × 1",
                "correctAnswer": "4 × 10 + 2 × 1",
                "difficulty": "easy"
            },
            {
                "id": 11,
                "type": "place-value",
                "subType": "standard-form",
                "number": 91,
                "question": "Write the standard form: 9 × 10 + 1 × 1 = ? (ones, tens, hundreds place)",
                "answer": 91,
                "correctAnswer": "91",
                "difficulty": "easy"
            },
            {
                "id": 12,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 10,
                "question": "What is the tens digit in the number 10?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "easy"
            },
            {
                "id": 13,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 30,
                "question": "What is the ones digit in the number 30?",
                "answer": 0,
                "correctAnswer": "0",
                "difficulty": "easy"
            },
            {
                "id": 14,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 95,
                "question": "Write 95 using place value expanded form. What is the expanded form?",
                "answer": "9 × 10 + 5 × 1",
                "correctAnswer": "9 × 10 + 5 × 1",
                "difficulty": "easy"
            },
            {
                "id": 15,
                "type": "place-value",
                "subType": "standard-form",
                "number": 90,
                "question": "Write the standard form: 9 × 10 = ? (ones, tens, hundreds place)",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "easy"
            },
            {
                "id": 16,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 18,
                "question": "Write 18 using place value expanded form. What is the expanded form?",
                "answer": "1 × 10 + 8 × 1",
                "correctAnswer": "1 × 10 + 8 × 1",
                "difficulty": "easy"
            },
            {
                "id": 17,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 80,
                "question": "Write 80 using place value expanded form. What is the expanded form?",
                "answer": "8 × 10",
                "correctAnswer": "8 × 10",
                "difficulty": "easy"
            },
            {
                "id": 18,
                "type": "place-value",
                "subType": "expanded-form",
                "number": 78,
                "question": "Write 78 using place value expanded form. What is the expanded form?",
                "answer": "7 × 10 + 8 × 1",
                "correctAnswer": "7 × 10 + 8 × 1",
                "difficulty": "easy"
            },
            {
                "id": 19,
                "type": "place-value",
                "subType": "identify-digit",
                "number": 80,
                "question": "What is the tens digit in the number 80?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "easy"
            },
            {
                "id": 20,
                "type": "place-value",
                "subType": "standard-form",
                "number": 34,
                "question": "Write the standard form: 3 × 10 + 4 × 1 = ? (ones, tens, hundreds place)",
                "answer": 34,
                "correctAnswer": "34",
                "difficulty": "easy"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "outputTargets": {
        "screen": true,
        "print": true,
        "pdf": true,
        "answerKey": true
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}