B Set 31 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": 14.4,
                "operand2": 15.7,
                "question": "14.4 + 15.7 = ?",
                "answer": 30.1,
                "correctAnswer": "30.1",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 16.8,
                "operand2": 1.2,
                "question": "16.8 - 1.2 = ?",
                "answer": 15.6,
                "correctAnswer": "15.6",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "decimals",
                "subType": "add",
                "operand1": 7.1,
                "operand2": 11.5,
                "question": "7.1 + 11.5 = ?",
                "answer": 18.6,
                "correctAnswer": "18.6",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "decimals",
                "subType": "add",
                "operand1": 17.7,
                "operand2": 7,
                "question": "17.7 + 7.0 = ?",
                "answer": 24.7,
                "correctAnswer": "24.7",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "decimals",
                "subType": "divide",
                "operand1": 28.8,
                "operand2": 6,
                "question": "28.8 ÷ 6 = ?",
                "answer": 4.8,
                "correctAnswer": "4.8",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 7.4,
                "operand2": 0.3,
                "question": "7.4 × 0.3 = ?",
                "answer": 2.22,
                "correctAnswer": "2.22",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "decimals",
                "subType": "add",
                "operand1": 18.9,
                "operand2": 10.2,
                "question": "18.9 + 10.2 = ?",
                "answer": 29.1,
                "correctAnswer": "29.1",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "decimals",
                "subType": "divide",
                "operand1": 155.2,
                "operand2": 8,
                "question": "155.2 ÷ 8 = ?",
                "answer": 19.4,
                "correctAnswer": "19.4",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "decimals",
                "subType": "divide",
                "operand1": 88,
                "operand2": 5,
                "question": "88.0 ÷ 5 = ?",
                "answer": 17.6,
                "correctAnswer": "17.6",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 11.4,
                "operand2": 4.4,
                "question": "11.4 × 4.4 = ?",
                "answer": 50.16,
                "correctAnswer": "50.16",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "decimals",
                "subType": "add",
                "operand1": 16.3,
                "operand2": 5.3,
                "question": "16.3 + 5.3 = ?",
                "answer": 21.6,
                "correctAnswer": "21.6",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 15.8,
                "operand2": 14.6,
                "question": "15.8 - 14.6 = ?",
                "answer": 1.2,
                "correctAnswer": "1.2",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 4.9,
                "operand2": 1.2,
                "question": "4.9 - 1.2 = ?",
                "answer": 3.7,
                "correctAnswer": "3.7",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "decimals",
                "subType": "add",
                "operand1": 0.3,
                "operand2": 0.9,
                "question": "0.3 + 0.9 = ?",
                "answer": 1.2,
                "correctAnswer": "1.2",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 3.3,
                "operand2": 2.6,
                "question": "3.3 - 2.6 = ?",
                "answer": 0.7,
                "correctAnswer": "0.7",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 8,
                "operand2": 1.7,
                "question": "8 × 1.7 = ?",
                "answer": 13.6,
                "correctAnswer": "13.6",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 6.9,
                "operand2": 3.7,
                "question": "6.9 × 3.7 = ?",
                "answer": 25.53,
                "correctAnswer": "25.53",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 5.3,
                "operand2": 2.4,
                "question": "5.3 - 2.4 = ?",
                "answer": 2.9,
                "correctAnswer": "2.9",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "decimals",
                "subType": "multiply",
                "operand1": 4.5,
                "operand2": 1.9,
                "question": "4.5 × 1.9 = ?",
                "answer": 8.55,
                "correctAnswer": "8.55",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "decimals",
                "subType": "subtract",
                "operand1": 0.8,
                "operand2": 0.7,
                "question": "0.8 - 0.7 = ?",
                "answer": 0.1,
                "correctAnswer": "0.1",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}