This is a worksheet I use in my fourth grade classroom. I used it as a formative assessment to see how students were progressing with factors, multiples, and prime or composite numbers. It can be used for practice or homework (you could even use it has a quick assessment).
MAFS.4.OA.2.4- Investigate factors and multiples.
a. Find all factor pairs for a whole number in the range 1–100.
b. 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.
c. Determine whether a given whole number in the range 1–100 is prime or composite
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