Math Review

Which groups of numbers below are all multiples of 7?

• 7, 14, 21, 28

• 7, 11, 15, 21

• 7, 9, 11, 13

• 7, 8, 9, 10

Which of these numbers is a prime number?

• 8

• 12

• 17

• 22

Which of the following numbers is a multiple of 6?

• 3

• 36

• 44

• 52

What are the factor pairs for 36?

• (1 x 36) (2 x 18)

• (1 x 36) (2 x 18) (3 x 12) (4 x 9)

• (1 x 36) (2 x 18) (3 x 12) (4 x 9) (6 x 6)

• (1 x 36) (2 x 18) (3 x 12) (4 x 9) (6 x 7)

Which of the following is a composite number?

• 7

• 9

• 11

• 13

What are the missing numbers in this sequence:

8, ___ , 24, 32, ___ , 48

• 16, 42

• 16, 40

• 12, 40

• 14, 44

Aiden multiplied two numbers together. The product was 36, and one of the factors was 9. What was the other factor?

• 3

• 4

• 5

• 6

Ella multiplied two numbers together. The product was 25. Both of the factors were the same. What were the factors?

• 4

• 5

• 6

• 7