Prime Factorization Worksheet

Using Prime Factorization Worksheet, students create a factor tree showing the prime factors for each product. 
Free

Prime Numbers Worksheet

Using this Prime Numbers Worksheet, students determine whether a given whole number in the range 1–100 is prime or composite.
Free

4.OA.4 Fourth Grade Common Core Lesson

Using this 4.OA.4 Fourth Grade Common Core lesson students determine whether a given whole number in the range 1–100 is prime or composite. 
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