Prime vs Composite Numbers: A 4th Grade Challenge

1. Sarah has 7 apples. Is 7 a prime or composite number?

• 9

• 8

• prime

• 6

Tags

CCSS.4.OA.B.4

2. Tom is organizing his toy cars. He has 12 cars. Can you tell if 12 is a prime or composite number?

• composite

• even

• odd

• prime

Tags

CCSS.4.OA.B.4

3. There are 11 students in a class. Is 11 a prime number?

• Yes, 11 is a prime number.

• 11 is a composite number.

• 11 is an even number.

• No, 11 is not a prime number.

Tags

CCSS.4.OA.B.4

4. A farmer has 15 chickens. Is 15 a prime or composite number?

• prime

• even

• composite

• odd

Tags

CCSS.4.OA.B.4

5. Emily found 9 seashells on the beach. Is 9 a prime number?

• 3

• Yes

• No

• 11

Tags

CCSS.4.OA.B.4

6. A pizza is cut into 8 slices. Is 8 a prime or composite number?

• composite

• prime

• odd

• even

Tags

CCSS.4.OA.B.4

7. Mark has 13 marbles. Can you identify if 13 is a prime number?

• 13 is an even number.

• No, 13 is not a prime number.

• Yes, 13 is a prime number.

• 13 is a composite number.

Tags

CCSS.4.OA.B.4

8. There are 16 books on the shelf. Is 16 a prime or composite number?

• composite

• odd

• prime

• even

Tags

CCSS.4.OA.B.4

9. Lily has 5 balloons. Is 5 a prime number?

• 5 is an even number.

• 5 is a square number.

• Yes, 5 is a prime number.

• 5 is a composite number.

Tags

CCSS.4.OA.B.4

10. A group of 10 friends is going to the movies. Is 10 a prime or composite number?

• prime

• even

• odd

• composite

Tags

CCSS.4.OA.B.4