character: Marty
topic: Understanding Factors and Multiples
grade: 4
subject: Mathematics
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character: Marty
topic: Finding Prime and Composite Numbers
grade: 4
subject: Mathematics
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character: Marty
topic: Divisibility Rules
grade: 4
subject: Mathematics
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character: Marty
topic: Greatest Common Factor (GCF)
grade: 4
subject: Mathematics
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