4th grade prime and composite numbers worksheets
Your child decides whether a number is prime, with exactly two factors, or composite, with more than two.
Common Core 4.OA.B.4 (Operations and Algebraic Thinking)
Sample problems
- Sample 1Is 19 prime or composite?
Answer: prime
- Sample 2Is 22 prime or composite?
Answer: composite
- A bit harderIs 11 prime or composite?
Answer: prime
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