B Set 8 Unknown

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        "subject": "arithmetic",
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            {
                "id": 1,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos had 10 toys. A friend gave Carlos 8 more toys. How many toys does Carlos have in all?",
                "answer": 18,
                "correctAnswer": "18",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Sam bought 8 boxes. Each box has 8 cookies. How many cookies does Sam have in total?",
                "answer": 64,
                "correctAnswer": "64",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "addition",
                "question": "Jake had 7 marbles. A friend gave Jake 7 more marbles. How many marbles does Jake have in all?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Jake had 8 pencils and sold 5 of them. How many pencils does Jake have remaining?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma bought 4 boxes. Each box has 8 cards. How many cards does Emma have in total?",
                "answer": 32,
                "correctAnswer": "32",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam had 6 toys. A friend gave Sam 3 more toys. How many toys does Sam have in all?",
                "answer": 9,
                "correctAnswer": "9",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Ava bought 4 toys but lost 1 of them. How many toys does Ava have now?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam had 2 toys. A friend gave Sam 3 more toys. How many toys does Sam have in all?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah had 7 cookies and sold 6 of them. How many cookies does Noah have remaining?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Liam has 2 bags with 8 stickers in each bag. How many stickers does Liam have in all?",
                "answer": 16,
                "correctAnswer": "16",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "word-problems",
                "subType": "addition",
                "question": "Mia has 1 pencils and gets 9 more. How many pencils does Mia have now?",
                "answer": 10,
                "correctAnswer": "10",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Noah has 3 bags with 8 books in each bag. How many books does Noah have in all?",
                "answer": 24,
                "correctAnswer": "24",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Emma has 6 bags with 3 cookies in each bag. How many cookies does Emma have in all?",
                "answer": 18,
                "correctAnswer": "18",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sofia bought 6 marbles but lost 3 of them. How many marbles does Sofia have now?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Liam bought 9 books but lost 5 of them. How many books does Liam have now?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Jake had 8 grapes and gave away 1. How many grapes does Jake have left?",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Sofia bought 10 boxes. Each box has 4 toys. How many toys does Sofia have in total?",
                "answer": 40,
                "correctAnswer": "40",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam has 5 cards and gets 9 more. How many cards does Liam have now?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah bought 8 marbles but lost 2 of them. How many marbles does Noah have now?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma had 9 marbles. A friend gave Emma 10 more marbles. How many marbles does Emma have in all?",
                "answer": 19,
                "correctAnswer": "19",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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