Rates
Scale Model
Proportions
Tax, Tip, and Discount
Random Review
100

Find the unit rate: 

128 miles in 4 hours

32 miles per hour

100

An architect’s blueprint for a new house shows the pool being 12 inches wide. If the scale used to create the blueprint is

0.25 in. = 3 ft., what is the actual width of the pool?

144 feet

100

What number is 70% of 45?

31.5

100

The regular price of a TV is $475. It’s currently on sale for 25% off. What is the discount if you bought the TV during the sale?

118.75

100

Are the following ratios proportional?

4.2         40
8.7  and  85

Nope!

200

Unit rate: 

2500 meters
15 seconds

166.7 meters per second

200

On a map of North Carolina, the distance between Raleigh and Charlotte is 3 1/4 inches.

The scale on the map is 1 inch = 40 miles.

What is the actual distance?

130 miles

200

23% of 75 is what number?

17.25

200

The golf team has stopped for dinner at Big AL’s Steakhouse.  The teams meal cost $98.00.  What is the total cost of the meal with a 20% tip?

117.60

200

         45
7  and   61

Not this one either

300

Unit rate: 

750 gallons in 15 minutes

5 gallons per minute

300

Allison learned that she is no longer supposed to use inches in 7th grade.

If 1 in.:2.5 cm, how many centimeters tall will her 5.5 in. picture of a dinosaur be?

13.75 centimeters

300

45 is what percent of 90?

50%

300

CVS is running a 25% off all candy this week. Mrs. Jones is buying $35.00 of candy for her classroom prize box. What will be her discount on the candy?

$8.75

300

 2       5
34  =  y

85

400

Unit rate: 

50 miles on 2 1/2 gallons

20 miles per gallon

400

A model replica of a building measures 5 inches tall, and the width of the base is 2 inches tall.

If the actual building is 155 meters tall, about how wide is the actual base?

52 meters wide

400

What percent of 200 is 0.5?

0.25%

400

If the sales tax rate is 7.5% in North Carolina, then how much would you pay for a pair of shoes that cost $39.00?

$41.93

400

45      3
 y  =   8

120

500

Jack does 2024 jumping jacks in 44 minutes.

How many jumping jacks can Jack do per minute?

46 jumping jacks per minute

500

Josiah is making a scale model of his favorite car. The actual car is 10 feet long and 5 feet wide. Josiah knows his model is 12 inches in length. How wide is his model car?

6 inches wide

500

A company produces 2,500 of a particular printer.  They later discover that 25% of the printers have defects.  How many printers from this group have defects?

625 computers

500

Two shirts are priced at $19 each and are on sale for 25% off. Find the sale price of both shirts.

$28.50

500

DAILY DOUBLE!

A typical 30-minute TV program in the United States has about 8 minutes of commercials. At that rate, how many commercial minutes are shown during a 2 hour TV movie?

32 minutes of commercials

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