Factors, Multiples, & Prime Numbers Oh My!

What are all the factors of 20?

• 2, 4, 5, 10

• 1, 2, 4, 5, 10, 20

• 2, 10

• 20, 40, 60

Tags

CCSS.4.OA.B.4

What are the first five multiples of 7?

• 1, 7

• 7, 8, 9, 10, 11

• 1, 2, 7, 14

• 7, 14, 21, 28, 35

What is a prime number?

• a number with ONLY two factors

• a number with LESS THAN two factors

• a number with ONLY one factor

• a number with MORE THAN two factors

Tags

CCSS.4.OA.B.4

What is a composite number?

• a number with ONLY TWO factors

• a number with LESS THAN TWO factors

• a number with MORE THAN TWO factors

• a number with ONLY ONE factor

Tags

CCSS.4.OA.B.4

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

Which factors do 10 and 20 have in common? Select ALL that apply.

• 1

• 2

• 5

• 4

• 10

Tags

CCSS.4.OA.B.4

Read each statement below. Choose all of the statements that are true.

• 48 is a multiple of 4.

• 2 is a factor of 36.

• 15 is a multiple of 3.

• 5 is a factor of 16.

Tags

CCSS.4.OA.B.4

First, three multiples of 6 are .......

• 6, 12, 24

• 1, 6, 12

• 6, 12, 18

• 6, 18, 12

Which number is a factor of 12?

• 2

• 9

• 8

• 24

Tags

CCSS.4.OA.B.4

Which is a prime number?

• 7

• 12

• 27

• 36

Tags

CCSS.4.OA.B.4