Operations with Rational Numbers

What is the equivalent expression for

 $\frac{2}{3}-\frac{4}{5}$  ?

•  $\frac{2}{3}+\frac{4}{5}$  

•  $\frac{2}{3}+\left(-\frac{4}{5}\right)$  

•  $-\frac{2}{3}+\frac{4}{5}$  

•  $-\frac{2}{3}+\left(-\frac{4}{5}\right)$  

Multiply  $5\cdot\frac{2}{5}$ .  

Express your answer in simplest form.

•  $\frac{10}{5}$  

• 2

•  $\frac{1}{2}$  

• 4

Divide $\frac{2}{3}\div\frac{4}{15}$ .

Express your answer in simplest form.

•  $5\frac{5}{8}$  

•  $\frac{2}{5}$  

•  $2\frac{1}{2}$  

•  $\frac{8}{45}$  

What fraction is equivalent to 0.625?

• $\frac{1}{8}$

• $\frac{3}{8}$

• $\frac{5}{8}$

• $\frac{7}{8}$

Which of the following products is negative?

• $6\frac{1}{2}\cdot4\frac{1}{4}$

• $-3\left(-2\frac{4}{5}\right)$

• $\left(-5\frac{1}{2}\right)\left(-\frac{1}{4}\right)$

• $-3\frac{3}{4}\times\frac{5}{6}$

 $1.25\div0.5$  

Find the quotient:

• 0.4

• 0.625

• 0.75

• 2.5

 $-2.1\ -\ _{\ldots\ldots\ldots}=-1\frac{1}{2}$  

Which value will make the equation true?

• 3.6

• 0.6

•  $-0.6$  

•  $-3.6$  

 $-4.5+4.4+\ldots\ldots\ldots\ldots=0$  

Which expression can go in the blank to make the equation true?

•  $-6.7+6.8$  

•  $-6.7+\left(-6.6\right)$  

•  $7.2+\left(-7.2\right)$  

•  $7.2+\left(-7.3\right)$  

Which expression has the same value as $59.2-84.7$ ? 

•  $84.7-59.2$  

•  $-84.7+\left(-59.2\right)$  

•  $59.2-\left(-84.7\right)$  

•  $59.2+\left(-84.7\right)$  

Find the difference: $-2\frac{1}{3}-5\frac{4}{5}$  

•  $3\frac{7}{15}$  

•  $-3\frac{7}{15}$  

•  $8\frac{2}{15}$  

•  $-8\frac{2}{15}$