Ch. 8 Fractions & Decimals Review

Which number is a composite number?

(Not prime- has more factors than one and itself)

• 5

• 7

• 13

• 16

Tags

CCSS.4.OA.B.4

Which number is a prime number?

(Only factors are one and itself)

• 4

• 6

• 9

• 11

Tags

CCSS.4.OA.B.4

What is the GCF of 6 and 15?

• 2

• 3

• 5

• 7

Simplify 4/16

• 2/8

• 1/8

• 1/4

• simplified

What is the prime factorization of 56?

• 2 x 7

• 2 x 2 x 2 x 7

• 2 x 2 x 7

• 2 x 2 x 2 x 7 x 7 x 7

What is the prime factorization of 98?

• 2 x 7

• 2 x 7 x 7 x 7

• 2 x 7 x 7

• 2 x 2 x 7 x 7 x 7

What is the LCM of 5 and 6?

• 30

• 36

• 60

• 18

What is the LCM of 3, 6, and 8?

• 12

• 18

• 24

• 30

Is 2/3 greater than, less than, or equal to 2/5?

• less than <

• greater than >

• equal to =

• I have no clue

Tags

CCSS.3.NF.A.3D

Is 4/5 greater than, less than, or equal to 7/10?

• less than <

• greater than >

• equal to =

• I have no clue

Tags

CCSS.4.NF.A.2