Factors and Multiples Warm Up

Select all the numbers that are factors of 20.

• 10

• 4

• 8

• 2

• 1

Tags

CCSS.4.OA.B.4

Which numbers are multiples of 4? You can select more than one answer.

• 24

• 38

• 44

• 12

Tags

CCSS.4.OA.B.4

18 and 36 both have ____ as a factor.

• 4

• 6

• 12

• 36

Tags

CCSS.4.OA.B.4

Which has all the factors of 48

• 1, 2, 4, 6, 8, 12, 16, 48

• 1, 2, 6, 8, 12, 16, 24, 48

• 1, 2, 4, 6, 8, 16, 24, 48

• 1, 2, 4, 6, 8, 12, 16, 24, 48

Tags

CCSS.4.OA.B.4

Select the list of number that are all multiples of 7.

• 7, 17, 21, 34

• 7, 18, 22, 28

• 14, 28, 35, 42

• 14, 21, 27, 28

Tags

CCSS.4.OA.B.4

Which number below is a multiple

of 6?

• 15

• 22

• 31

• 36

Tags

CCSS.4.OA.B.4

Which number below is a factor of 21 and 33?

• 7

• 11

• 3

• 9

Tags

CCSS.4.OA.B.4

Is 3 a factor of 26?

• Yes

• No

Tags

CCSS.4.OA.B.4

Which has all the multiples of 12?

• 1, 2, 3, 4, 6, 12

• 24, 48, 72

• 24, 36, 46

• 3, 4, 12

39 is a _________________ number.

• prime

• composite

Tags

CCSS.4.OA.B.4