easy Set 81 Form Exercise

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            "question": "Count by 5s: 0, 5, 10, 15, __",
            "answer": 20,
            "correctAnswer": "20",
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            "subType": "count-objects",
            "question": "Count the stars: How many are there? (10 stars)",
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            "difficulty": "normal"
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            "type": "counting",
            "subType": "skip-counting",
            "question": "What is the next number in the sequence? 5, 10, 15, __, 25",
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            "correctAnswer": "20",
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            "subType": "count-by",
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            "correctAnswer": "40",
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            "subType": "count-objects",
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            "correctAnswer": "4",
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            "subType": "count-objects",
            "question": "Count the triangles: How many are there? (9 triangles)",
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            "correctAnswer": "9",
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            "type": "counting",
            "subType": "what-comes-next",
            "question": "What comes after 6?",
            "answer": 7,
            "correctAnswer": "7",
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            "subType": "what-comes-next",
            "question": "What comes after 5?",
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            "correctAnswer": "6",
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            "question": "What comes after 1?",
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            "subType": "count-objects",
            "question": "Count the stars: How many are there? (7 stars)",
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