B Set 21 Unknown

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                "question": "Noah bought 10 apples but lost 7 of them. How many apples does Noah have now?",
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                "question": "Mia had 8 stickers and sold 5 of them. How many stickers does Mia have remaining?",
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                "question": "Mia bought 9 boxes. Each box has 7 stickers. How many stickers does Mia have in total?",
                "answer": 63,
                "correctAnswer": "63",
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                "id": 4,
                "type": "word-problems",
                "subType": "addition",
                "question": "Emma put 3 books in a basket and added 1 more. How many books are in the basket in total?",
                "answer": 4,
                "correctAnswer": "4",
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            {
                "id": 5,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Jake bought 8 marbles but lost 3 of them. How many marbles does Jake have now?",
                "answer": 5,
                "correctAnswer": "5",
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                "id": 6,
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                "question": "Lisa has 3 bags with 7 grapes in each bag. How many grapes does Lisa have in all?",
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                "question": "Emma had 8 marbles and gave away 6. How many marbles does Emma have left?",
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                "id": 8,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Mia bought 10 apples but lost 1 of them. How many apples does Mia have now?",
                "answer": 9,
                "correctAnswer": "9",
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                "id": 9,
                "type": "word-problems",
                "subType": "addition",
                "question": "Sofia had 8 pencils. A friend gave Sofia 7 more pencils. How many pencils does Sofia have in all?",
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                "correctAnswer": "15",
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                "id": 10,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos put 2 oranges in a basket and added 5 more. How many oranges are in the basket in total?",
                "answer": 7,
                "correctAnswer": "7",
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                "id": 11,
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                "subType": "addition",
                "question": "Lisa has 8 cards and gets 4 more. How many cards does Lisa have now?",
                "answer": 12,
                "correctAnswer": "12",
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                "id": 12,
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                "question": "Jake has 4 bags with 4 cookies in each bag. How many cookies does Jake have in all?",
                "answer": 16,
                "correctAnswer": "16",
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                "id": 13,
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                "subType": "subtraction",
                "question": "Emma had 2 cards and sold 1 of them. How many cards does Emma have remaining?",
                "answer": 1,
                "correctAnswer": "1",
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                "id": 14,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Sam had 8 marbles and gave away 4. How many marbles does Sam have left?",
                "answer": 4,
                "correctAnswer": "4",
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                "id": 15,
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                "subType": "multiplication",
                "question": "Emma has 3 bags with 4 stickers in each bag. How many stickers does Emma have in all?",
                "answer": 12,
                "correctAnswer": "12",
                "difficulty": "normal"
            },
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                "id": 16,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Lisa bought 6 apples but lost 3 of them. How many apples does Lisa have now?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "normal"
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            {
                "id": 17,
                "type": "word-problems",
                "subType": "multiplication",
                "question": "Sam bought 4 boxes. Each box has 5 books. How many books does Sam have in total?",
                "answer": 20,
                "correctAnswer": "20",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "word-problems",
                "subType": "addition",
                "question": "Carlos put 6 oranges in a basket and added 10 more. How many oranges are in the basket in total?",
                "answer": 16,
                "correctAnswer": "16",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "word-problems",
                "subType": "addition",
                "question": "Noah had 4 cards. A friend gave Noah 10 more cards. How many cards does Noah have in all?",
                "answer": 14,
                "correctAnswer": "14",
                "difficulty": "normal"
            },
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                "id": 20,
                "type": "word-problems",
                "subType": "subtraction",
                "question": "Ava bought 2 cookies but lost 1 of them. How many cookies does Ava have now?",
                "answer": 1,
                "correctAnswer": "1",
                "difficulty": "normal"
            }
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