Math review

Which of these numbers is not prime?

• 17
• 25
• 23
• 37

Tags

CCSS.4.OA.B.4

Which of the following numbers is not composite?

• 24
• 40
• 66
• 61

Tags

CCSS.4.OA.B.4

Name the 5th prime number.

• 2
• 11
• 5
• 7

Tags

CCSS.4.OA.B.4

Which is the only prime number that is even?

• 14
• 22
• 17
• 2

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 54?

• 4
• 7
• 5
• 9

Tags

CCSS.4.OA.B.4

Is 3 a factor of 12?

• yes
• no

Tags

CCSS.4.OA.B.4

Is 12 prime or composite?

• prime
• composite

Tags

CCSS.4.OA.B.4

Which is a factor of 12?

• 24
• 5
• 3
• 0.3

Tags

CCSS.4.OA.B.4

Which is a factor of 36?

• 72
• 5
• 4
• 17

Tags

CCSS.4.OA.B.4