NAME ______________________________ DATE _______________
DAILY PRACTICE
Determine whether each number is prime or composite. Explain how you know.
1 Is 8 prime or composite? How do you know?
2 Is 15 prime or composite? How do you know?
3 Is 47 prime or composite? How do you know?
4 Is 27 prime or composite? How do you know?
5 Is 88 prime or composite? How do you know?
NOTE
Students identify numbers less than 100 as either prime or composite and explain how they know.
MWI Prime and Composite Numbers