Common Core Math Standards350+ math concepts in Kindergarten to Grade 5 aligned to your child's school curriculum
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4.OA.4
Find all factor pairs for a whole number in the range 1—100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1—100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1—100 is prime or composite.