Unit Rate, Ratios, and Proportions Review

There are 75 pieces of candy in a 15 oz bag.

How many pieces are there per ounce? Find the unit rate.

• 5 pieces per ounce

• 0.2 pieces per ounce

• 50 pieces per ounce

• 60 pieces per ounce

88 students for 4 classes

How many students are in each class? Find the unit rate.

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?
Hint:  $\ \frac{3\ laps}{2\ \min}=\ \frac{27\ laps}{x\ \min}$  

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Solve the proportion.

• k=5

• k=3

• k=60

• k=90

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.RP.A.3

Solve the proportion.

• 60
• 15
• 3
• 12

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 84
• 21
• 11
• 5

Tags

CCSS.7.RP.A.2B

Are the ratios proportional? YES OR NO
 $\frac{3}{4}=\ \frac{24}{32}$  

• YES

• NO

Are the ratios proportional? YES OR NO
 $\frac{10}{12}=\ \frac{20}{32}$  

• YES

• NO