Unit 2 Review

Amber and her sister had 1/4 of the lasagna leftover at dinner. Their father came home and ate 1/2 of the leftover lasagna. How much lasagna did their father eat?

• 1/2

• 3/4

• 1/8

• 1/4

 $2.\$  A carpenter wants to cut a board that is 4/6 ft long into pieces that are 4/16 ft long. The carpenter will use the expression shown to calculate the number of pieces that can be cut from the board.
 $\frac{4}{6}\div\frac{4}{16}$  

Which expression can also be used to calculate the number of pieces that can be cut from the board?

•  $\frac{4}{6}\cdot\frac{16}{4}$  

•  $\frac{4}{6}\cdot\frac{4}{16}$  

•  $\frac{6}{4}\div\frac{4}{16}$  

•  $\frac{6}{4}\div\frac{16}{4}$  

The weight of one serving of trail mix is 3.5 ounces. How many servings are there in 24.5 ounces of trail mix?

• 85.75

• 21

• 28

• 7

In the expression shown, c represents a rational number.

  $12.5c$  
 What value of c makes the expression equal to a number greater than 12.5?

•  $\frac{13}{14}$  

•  $\frac{25}{21}$   

•  $\frac{35}{35}$  

•  $\frac{104}{105}$  

 A grocery store sells chicken fingers for $3.10 per pound. 
What would be the cost of  $3\ \frac{2}{5}$  lb of chicken fingers?

• $9.92

• $11.16

• $10.54

• $11.78

Maggie has 50 strips of leather that are each  $6\ \frac{1}{2}$  feet long. Maggie wants to punch holes in each strip of leather that are  $\frac{7}{8}$  of a foot apart. Maggie will use the expression shown to determine the number of holes to punch in each strip of leather. 
 $6\ \frac{1}{2}\div\frac{7}{8}$  
Which expression will also give the number of holes that Maggie will punch into each strip of leather?

•  $\frac{2}{13}\div\frac{7}{8}$  

•  $\frac{2}{13}\div\frac{8}{7}$  

•  $\frac{13}{2}\cdot\frac{8}{7}$  

•  $\frac{13}{2}\cdot\frac{7}{8}$  

Leonardo and his 3 friends bought $12\ \frac{1}{4}$  pounds of gummy bears at $2.30 a pound. If the cost of the gummy bears is divided evenly among Leonardo and his three friends, how much will each person pay?

• $28.18

• $7.04

• $9.39

• $7.50

In a TV contest show, Ronny has 350 points. To determine his final score in the game, Ronny will spin the spinner shown below, and multiply his current number of points by the fraction the spinner lands on.

Which statement correctly describes the effect of multiplying his current score by the fractions shown on the spinner?

• Multiplying by $\frac{15}{15}$ will increase his score.

• Multiplying by $\frac{8}{9}$ will increase his score.

• Multiplying by $\frac{2}{15}$ will decrease his score.

• Multiplying by $\frac{15}{2}$ will decrease his score.

Ms. Yaklin is preparing  $3\ \frac{3}{8}$  cups of rice for a family reunion. She plans to use  $\frac{1}{4}$  of a cup for each serving. How many servings of rice is Ms. Yaklin perparing?

•  $1\ \frac{13}{32}$  

•  $5\ \frac{7}{8}$  

•  $10\ \frac{4}{5}$  

•  $13\ \frac{1}{2}$  

A chef cooked vegetables for 30 customers. The chef cooked  $\frac{1}{4}$  pound of potatoes and  $\frac{1}{5}$  pound of green beans for each customer. 

How many pounds of vegetables did the chef cook for these customers all together?

•  $13\ \frac{1}{2}$  

•  $12\ \frac{4}{7}$  

•  $2\ \frac{1}{5}$  

•  $\frac{2}{9}$