IM Unit 1: Factors and Multiples

36 is a ------- number.

• composite
• prime

• factor

Tags

CCSS.4.OA.B.4

17 is a ------- number.

• composite

• prime

• factor

Tags

CCSS.4.OA.B.4

Why is 24 a composite number?

• 24 has only one factor pair.

• 24 can be multiplied by 2.

• 24 has more than one factor pair (1 and 24, 2 and 12, 3 and 8, 4 and 6)

• 24 can be divided by 2.

Tags

CCSS.4.OA.B.4

Why is 17 a prime number?

• 17 has more than one factor pair.

• 17 is odd.

• 17 cannot be divided by 2.

• 17 only has one factor pair, 1 and 17.

Tags

CCSS.4.OA.B.4

What are all of the factor pairs of 48?

• 2 and 24, 6 and 8

• 1 and 48, 2 and 24, 6 and 8

• 1 and 48, 2 and 24, 3 and 16, 4 and 12, 6 and 8

• 1 and 48, 2 and 24, 4 and 12, 6 and 8

Tags

CCSS.4.OA.B.4

18 is a multiple of 6.

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4

15 is a factor of 5

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4

90 is a multiple of 3

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4

The only factor pair of 42 is 1 and 42.

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4

The only factor pair of 19 is 1 and 19.

• TRUE

• FALSE

Tags

CCSS.4.OA.B.4