B Set 64 Unknown

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                "question": "What is the next number in the sequence? 130, __, 150, 160, 170",
                "answer": 140,
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                "question": "What is the next number in the sequence? 230, 240, __, 260, 270",
                "answer": 250,
                "correctAnswer": "250",
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            {
                "id": 3,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 873?",
                "answer": 874,
                "correctAnswer": "874",
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                "id": 4,
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                "question": "Count by 10s: 330, 340, 350, 360, __",
                "answer": 370,
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                "id": 5,
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                "question": "Count by 3s: 405, 408, 411, 414, __",
                "answer": 417,
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                "id": 6,
                "type": "counting",
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                "question": "What is the next number in the sequence? 256, 258, 260, __, 264",
                "answer": 262,
                "correctAnswer": "262",
                "difficulty": "normal"
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                "id": 7,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 976?",
                "answer": 977,
                "correctAnswer": "977",
                "difficulty": "normal"
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                "id": 8,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 40, 42, __, 46, 48",
                "answer": 44,
                "correctAnswer": "44",
                "difficulty": "normal"
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                "id": 9,
                "type": "counting",
                "subType": "skip-counting",
                "question": "What is the next number in the sequence? 183, 186, 189, __, 195",
                "answer": 192,
                "correctAnswer": "192",
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                "id": 10,
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                "question": "Count by 5s: 280, 285, 290, 295, __",
                "answer": 300,
                "correctAnswer": "300",
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                "id": 11,
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                "subType": "count-by",
                "question": "Count by 2s: 376, 378, 380, 382, __",
                "answer": 384,
                "correctAnswer": "384",
                "difficulty": "normal"
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                "id": 12,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 3s: 87, 90, 93, 96, __",
                "answer": 99,
                "correctAnswer": "99",
                "difficulty": "normal"
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                "id": 13,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the flowers: How many are there? (752 flowers)",
                "answer": 752,
                "correctAnswer": "752",
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                "id": 14,
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                "question": "What is the next number in the sequence? 395, 400, __, 410, 415",
                "answer": 405,
                "correctAnswer": "405",
                "difficulty": "normal"
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                "id": 15,
                "type": "counting",
                "subType": "what-comes-next",
                "question": "What comes after 297?",
                "answer": 298,
                "correctAnswer": "298",
                "difficulty": "normal"
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                "id": 16,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the squares: How many are there? (30 squares)",
                "answer": 30,
                "correctAnswer": "30",
                "difficulty": "normal"
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                "id": 17,
                "type": "counting",
                "subType": "count-by",
                "question": "Count by 2s: 390, 392, 394, 396, __",
                "answer": 398,
                "correctAnswer": "398",
                "difficulty": "normal"
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                "id": 18,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the squares: How many are there? (681 squares)",
                "answer": 681,
                "correctAnswer": "681",
                "difficulty": "normal"
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                "id": 19,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the stars: How many are there? (254 stars)",
                "answer": 254,
                "correctAnswer": "254",
                "difficulty": "normal"
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                "id": 20,
                "type": "counting",
                "subType": "count-objects",
                "question": "Count the stars: How many are there? (251 stars)",
                "answer": 251,
                "correctAnswer": "251",
                "difficulty": "normal"
            }
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