Multiplying and Dividing Rational Numbers

 $7+\left(-16\right)$  

•  $9$  

•  $-9$  

•  $23$  

•  $-23$  

 $88\ -\ \left(-35\right)$  

•  $53$  

•  $-123$  

•  $-53$  

•  $123$  

In the model, each white circle represents +1 and each gray circle represents -1. Which expression is equalvlent to the model?

•  $-7-5$  

•  $7-5$  

•  $-7+5$  

•  $7+5$  

Which number sentence best represents the model?

• $-7+12$

• $5-7$

• $12-7$

• $-7+5$

Coach B wrote down the total yards for his two wide receiver, the running back, and the full back during Saturday's game. The names and number of yards for each players are shown in the table. What is the total yards of all the players?

• 
  

  $-51\ yards$
  

• $17\ yards$

• $51\ yards$

• $-17\ yards$

The recipe for cupcakes requires  $\frac{1}{8}$   cup of sugar. Andrew wants to make  $\frac{2}{5}$   of the recipe. How many cups of sugar should Andrew use to make the cupcakes? Simplify your answer.

•  $\frac{2}{40}$  

•  $3\frac{1}{5}$  

•  $\frac{5}{16}$  

•  $\frac{1}{20}$  

Two teams of go-carts makers help build go-carts. Katie's team takes 155.74 hours to build one go-cart. Jorge's team takes 2.07 times as long to complete the same job. About how many hours does it take Jorge's team to build a go-cart?

•  $420\ hours$  

•  $322\ hours$  

•  $310\ hours$  

•  $75\ hours$  

Max runs 7.504 miles in 6.7 minutes. What is Max’s average speed in one minute?

• $1.12\ miles$

• $50.2768\ miles$

• $11.2\ miles$

• $502.768\ miles$

Shayla’s needs a picture frame that measure 24 square inches. The length of the picture frame is $3\ \frac{1}{2}$  inches. How many inches wide is the width of the picture frame?

•  $84\ inches$  

•  $\frac{7}{48}\ inches$  

•  $6\ \frac{6}{7}\ inches$  

•  $36\ inches$  

Luke and his two friends have  $2\ \frac{3}{4}\$   pies left after the bake sale. They divide the pies evenly among themselves. Which expression should be use to determine how much pie each student receive?

•  $3\times2\ \frac{3}{4}\$  

•  $2\ \frac{3}{4}\div3$  

•  $3\div2\ \frac{3}{4}$  

•  $2\ \frac{3}{4}\times3$