B Set 19 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
    "contentData": {
        "operation": "decimals",
        "subject": "arithmetic",
        "difficulty": "easy",
        "config": {
            "maxNumber": 10
        },
        "problems": [
            {
                "id": 1,
                "type": "decimals",
                "subType": "add",
                "operand1": 4.5,
                "operand2": 0.4,
                "question": "4.5 + 0.4 = ?",
                "answer": 4.9,
                "correctAnswer": "4.9",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 17.3,
                "operand2": 9.3,
                "question": "17.3 × 9.3 = ?",
                "answer": 160.89,
                "correctAnswer": "160.89",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "decimals",
                "subType": "divide",
                "operand1": 144,
                "operand2": 10,
                "question": "144.0 ÷ 10 = ?",
                "answer": 14.4,
                "correctAnswer": "14.4",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "decimals",
                "subType": "divide",
                "operand1": 132.3,
                "operand2": 7,
                "question": "132.3 ÷ 7 = ?",
                "answer": 18.9,
                "correctAnswer": "18.9",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "decimals",
                "subType": "divide",
                "operand1": 19.8,
                "operand2": 2,
                "question": "19.8 ÷ 2 = ?",
                "answer": 9.9,
                "correctAnswer": "9.9",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 6.5,
                "operand2": 3.4,
                "question": "6.5 - 3.4 = ?",
                "answer": 3.1,
                "correctAnswer": "3.1",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 6.7,
                "operand2": 0.6,
                "question": "6.7 × 0.6 = ?",
                "answer": 4.02,
                "correctAnswer": "4.02",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 19.2,
                "operand2": 7.6,
                "question": "19.2 × 7.6 = ?",
                "answer": 145.92,
                "correctAnswer": "145.92",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 8.5,
                "operand2": 9.4,
                "question": "8.5 × 9.4 = ?",
                "answer": 79.9,
                "correctAnswer": "79.9",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 11.8,
                "operand2": 5.3,
                "question": "11.8 - 5.3 = ?",
                "answer": 6.5,
                "correctAnswer": "6.5",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 0.4,
                "operand2": 0.4,
                "question": "0.4 - 0.4 = ?",
                "answer": 0,
                "correctAnswer": "0",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 13.7,
                "operand2": 4.3,
                "question": "13.7 × 4.3 = ?",
                "answer": 58.91,
                "correctAnswer": "58.91",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "decimals",
                "subType": "add",
                "operand1": 5.3,
                "operand2": 5,
                "question": "5.3 + 5.0 = ?",
                "answer": 10.3,
                "correctAnswer": "10.3",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 1,
                "operand2": 9.8,
                "question": "1 × 9.8 = ?",
                "answer": 9.8,
                "correctAnswer": "9.8",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "decimals",
                "subType": "add",
                "operand1": 9.2,
                "operand2": 12.8,
                "question": "9.2 + 12.8 = ?",
                "answer": 22,
                "correctAnswer": "22",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "decimals",
                "subType": "add",
                "operand1": 11.8,
                "operand2": 7.3,
                "question": "11.8 + 7.3 = ?",
                "answer": 19.1,
                "correctAnswer": "19.1",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 18.6,
                "operand2": 0.5,
                "question": "18.6 × 0.5 = ?",
                "answer": 9.3,
                "correctAnswer": "9.3",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "decimals",
                "subType": "add",
                "operand1": 17.1,
                "operand2": 1.9,
                "question": "17.1 + 1.9 = ?",
                "answer": 19,
                "correctAnswer": "19",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 7.7,
                "operand2": 6.6,
                "question": "7.7 × 6.6 = ?",
                "answer": 50.82,
                "correctAnswer": "50.82",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 14.6,
                "operand2": 14.3,
                "question": "14.6 - 14.3 = ?",
                "answer": 0.3,
                "correctAnswer": "0.3",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "outputTargets": {
        "screen": true,
        "print": true,
        "pdf": true,
        "answerKey": true
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}