Chapter 2 Review

Represent as a fraction.

4 out of 7 people in a class.

Rewrite  $\frac{9}{4}$  as a mixed number. 

• 2  1/4

• 3  2/4

• 4  3/4

• 1  1/4

Rewrite  $\frac{7}{3\ }$  as a mixed number. 

• 2  2/3

• 3  1/3

• 2  1/3

• 3  2/3

Rewrite  $4\ \frac{1}{2}$  as an improper fraction. 

• 9/2

• 8/2

• 7/2

• 6/2

Rewrite  $1\ \frac{3}{8}$  as an improper fraction. 

• 10/8

• 11/8

• 12/8

• 9/8

Rewrite  $\frac{5}{5}$  as a mixed number. 

• 1  1/5

• 1  2/5

• 1 

• 1  3/5

Use a factor tree to find prime factorization of 24.

• 2 x 3 x 2 x 3

• 2 x 3 x 2 x 2

• 6 x 2 x 2

• 2 x 3 x 4

Tags

CCSS.4.OA.B.4

Which of the following numbers is prime?

• 15

• 18

• 19

• 21

Which of the following is NOT prime?

• 11

• 13

• 19

• 21

Use a factor tree to find the prime factorization of 60.

• 2 x 3 x 3 x 2

• 2 x 2 x 2 x 3

• 2 x 5 x 2 x 2

• 2 x 3 x 2 x 5