Factors and Multiples

Which of the following is a factor of 25: 2, 15, 10, 5?

• 2

• 15

• 10

• 5

What are the factors of 16?

• 1, 2, 4, 8, 16

• 1, 3, 5, 7, 9

• 2, 4, 6, 8, 10

• 3, 6, 9, 12, 15

What is the 4th multiple of 9?

• 27

• 36

• 45

• 54

What are the factors of 8?

• 1, 2, 4, 8

• 1, 3, 5, 7

• 2, 3, 4, 6

• 1, 2, 3, 4

Which of the following is not a factor of 30: 3, 5, 7, 10?

• 3

• 5

• 7

• 10

Is 10 a factor of 50?

• True

• False

• Sometimes

• Not sure

Is 9 a multiple of 3?

• True

• False

• Sometimes

• Not sure

List the factors of 12.

• 1, 2, 3, 4, 6, 12

• 1, 2, 3, 4, 5, 6

• 2, 3, 4, 5, 6, 12

• 1, 2, 3, 4, 6, 10

Which of the following is a multiple of 4: 8, 10, 12, 15?

• 8

• 10

• 12

• 15

What is the 3rd multiple of 7?

• 14

• 21

• 28

• 35