easy
medium
hard
easy
medium
100

Determine whether these ratios form a proportion

11:8 and 9:3

No

100

Write this a percent as a decimal


83%

0.83

100

Find the Unit rate from a graph

(1,1/2) and (2,2/3) What is the unit rate?

1/3

100

Graph the ratio relationship

2:3

4:_

6:_

8:_

2:3

4:6

6:9

8:12

100

Find the percent error.

You estimate that there are 55 marbles in a jar. The actual amount is 63 marbles. Find the percent error. (Round to the nearest tenth if necessary.)

percent error=__%

12.7%

200

Convert the currency

Use the exchange rate 1 euro (EUR) to 1.21 U.S dollars (USD) to complete the statement. (round to nearest hundredth if necessary.)

90 EUR to ___ USD

108.90 USD

200

Find the unit rate

A person runs 1/3 mile in 1/24 hours

What is the person's speed?

8

200

Find the scale factor

The wingspan of a scale model airplane is 16 centimeters wide. The width of the actual wingspan is 64 meters. What is the scale factor of the model.

1/400

200

Find the unit rate from the graph 

(1,1/2) and (2,1) What is the unit rate?

1/2

200

Identifying the constant of proportionality in a table

x:0.5,1,1.5,2

y:97,194,291,388

194

300

Find the part in this equation

what is 50% of 64?

32

300

Solve this proportion

10/y=2/11

55

300

Convert the measure between the systems. (round to nearest hundredth if necessary.)

11mi to __km

17.71

300

Convert the measure between systems. (round to nearest hundredth if necessary.)

35kg to __IB

77

300

Find the percent of decrease

Find the percent of decrease from 53 inches to 14 inches. Round to the nearest tenth of a percent if necessary 

percent of decrease=___%

73.6%

400

Write this fraction as a percent

21/25=___%

84%

400

Find the Tax and Tip

Food Total:$28.50

Tax:$1.71

Subtotal:$30.21

the percent of the sale tax is ___%

You leave an 18% tip on the food total. What is the amount of the tip? $__

6%

$5.13

400

Find the percent error

You estimate that there are 68 marbles in a jar. The actual amount is 53 marbles. Find the percent error.(Round to the nearest tenth if necessary.)

percent error to ___%

28.3%

400

Find the unit rate from a graph

(1,1/2) and (4,2)

1/2

400

Sove the proportion

12/y=2/9

the solution is y=__

54

500

Find the Unit Rate

A person runs 1/14 miles in 1/8 hours

What is the person's speed?

7

500

Graph the ratio relationship

6:2

12:_

18:_

24:_

6:2

12:4

18:6

24:6

500

Solve the proportion

12/y=3/2

8

500

Tell whether x and y are proportional

y-x=0

yes 

500

Identifying the constant of proportionality from a table

x:0.5,1,1.5,2

y:66,132,264

132