Unit 5 Test

What are all the factors of 21?

• 1, 3, 7, 21

• 21, 42, 63, 84

• 1, 2, 3, 7, 10, 21

• 1, 21

Select the numbers that have a factor of 6.

Mark all that apply.

• 12

• 3

• 42

• 6

• 48

Grace was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Are 7 rows of 9 tiles a possible arrangement of the picture tiles?

• Yes

• No

Shelby was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Are 22 rows of 6 tiles a possible arrangement of the picture tiles?

• Yes

• No

Hanna was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Are 21 rows of 3 tiles a possible arrangement of the picture tiles?

• Yes

• No

Cailyn was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Are 63 rows of 1 tile a possible arrangement of the picture tiles?

• Yes

• No

Greta was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Are 32 rows of 2 tiles a possible arrangement of the picture tiles?

• Yes

• No

What are all the factors of 54?

• 1, 2, 3, 6, 9, 18, 27, 54

• 54, 108, 162, 216

• 1, 2, 3, 6, 8, 19, 28, 54

• 1, 2, 27, 54

Select all of the numbers that are divisible by 3 AND 9.

• 45

• 48

• 81

• 84

• 99

Select all of the numbers that are divisible by 5 AND 9.

• 45

• 48

• 81

• 84

• 99