B Set 80 Unknown

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        "subject": "arithmetic",
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        "problems": [
            {
                "id": 1,
                "type": "word-problems",
                "subType": "addition",
                "question": "Ava had 31 toys. A friend gave Ava 15 more toys. How many toys does Ava have in all?",
                "answer": 46,
                "correctAnswer": "46",
                "difficulty": "medium"
            },
            {
                "id": 2,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah had 4 toys and gave away 2. How many toys does Noah have left?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "medium"
            },
            {
                "id": 3,
                "type": "word-problems",
                "subType": "addition",
                "question": "Ava had 6 oranges. A friend gave Ava 8 more oranges. How many oranges does Ava have in all?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "medium"
            },
            {
                "id": 4,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma has 29 books and gets 6 more. How many books does Emma have now?",
                "answer": 35,
                "correctAnswer": "35",
                "difficulty": "medium"
            },
            {
                "id": 5,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah had 3 stickers. A friend gave Noah 22 more stickers. How many stickers does Noah have in all?",
                "answer": 25,
                "correctAnswer": "25",
                "difficulty": "medium"
            },
            {
                "id": 6,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Ava had 47 books and gave away 6. How many books does Ava have left?",
                "answer": 41,
                "correctAnswer": "41",
                "difficulty": "medium"
            },
            {
                "id": 7,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah has 10 books and gets 5 more. How many books does Noah have now?",
                "answer": 15,
                "correctAnswer": "15",
                "difficulty": "medium"
            },
            {
                "id": 8,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Noah had 14 toys and sold 9 of them. How many toys does Noah have remaining?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "medium"
            },
            {
                "id": 9,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sam bought 10 books but lost 8 of them. How many books does Sam have now?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "medium"
            },
            {
                "id": 10,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma put 38 books in a basket and added 48 more. How many books are in the basket in total?",
                "answer": 86,
                "correctAnswer": "86",
                "difficulty": "medium"
            },
            {
                "id": 11,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sofia had 5 toys and sold 3 of them. How many toys does Sofia have remaining?",
                "answer": 2,
                "correctAnswer": "2",
                "difficulty": "medium"
            },
            {
                "id": 12,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Mia bought 29 pencils but lost 9 of them. How many pencils does Mia have now?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "medium"
            },
            {
                "id": 13,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Noah has 12 bags with 6 toys in each bag. How many toys does Noah have in all?",
                "answer": 72,
                "correctAnswer": "72",
                "difficulty": "medium"
            },
            {
                "id": 14,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam put 7 pencils in a basket and added 7 more. How many pencils are in the basket in total?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "medium"
            },
            {
                "id": 15,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos put 37 books in a basket and added 29 more. How many books are in the basket in total?",
                "answer": 66,
                "correctAnswer": "66",
                "difficulty": "medium"
            },
            {
                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa had 20 toys and sold 9 of them. How many toys does Lisa have remaining?",
                "answer": 11,
                "correctAnswer": "11",
                "difficulty": "medium"
            },
            {
                "id": 17,
                "type": "word-problems",
                "subType": "addition",
                "question": "Liam had 14 books. A friend gave Liam 5 more books. How many books does Liam have in all?",
                "answer": 19,
                "correctAnswer": "19",
                "difficulty": "medium"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Jake bought 12 boxes. Each box has 4 cookies. How many cookies does Jake have in total?",
                "answer": 48,
                "correctAnswer": "48",
                "difficulty": "medium"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sam had 34 cards. A friend gave Sam 20 more cards. How many cards does Sam have in all?",
                "answer": 54,
                "correctAnswer": "54",
                "difficulty": "medium"
            },
            {
                "id": 20,
                "type": "word-problems",
                "subType": "addition",
                "question": "Ava had 21 cookies. A friend gave Ava 44 more cookies. How many cookies does Ava have in all?",
                "answer": 65,
                "correctAnswer": "65",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
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