4.OA.B.4 Worksheets: Factors and Multiples
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4.OA.B.4 (Operations and Algebraic Thinking): Find factor pairs and multiples, and tell prime from composite.
About this standard
Fourth graders list all factor pairs of a number up to 100, recognize it as a multiple of each factor, and sort numbers as prime or composite. Divisibility shortcuts for 2, 3, 5 and 10 make the work much faster. Build factor pairs in Factors, Multiples, Prime and Composite, then sort numbers in Prime and Composite Numbers; fact fluency from 3.OA.C.7 helps with both.
