Rational Numbers Review

Find the sum

4.2 + (-5.3)

• -1.1

• 1.1

• 9.5

• -9.5

Write the rational number as a decimal

 $\frac{3}{20}$  

• 0.15

• 1.5

• 6.666666666

• 3.20

Find the difference

 $-\frac{2}{9}-\frac{4}{5}$  

•  $-\frac{6}{45}$  

•  $-\frac{3}{8}$  

•  $-1\frac{1}{45}$  

•  $\frac{8}{45}$  

Is the decimal terminating or repeating?

0.2597

• terminating

• repeating

Find the product

 $3.7\times6$  

• 22.2

• 222
  

• 22.8

• 18.2

Find the quotient

 $3.6\div\left(-1.2\right)$  

• -3

• -0.3
  

• 3

• -0.333333

Choose the expression that models the following situation

Justin spends $2.25 on gas for his lawn mower. He earns $15 mowing his neighbor's yard. What is Justin's profit?

• -2.25+15

• 2.25+15

• -2.25-15

• 2.25-15

Find the sum

-2.25 + 15

• -12.75

• 17.25

• 12.75

• 2.4

Find the sum

 $2\frac{3}{4}+\left(-1\frac{1}{4}\right)$  

•  $1\frac{1}{2}$  

•  $-1\frac{1}{2}$  

• 4

• -4

Write the rational number as a decimal

 $7\frac{3}{15}$  

• 7.2

• 0.2

• 9

• 0.02