Ratio and Proportions Unit Test Review

Ratios

100

What are the three ways of writing a ratio?

Colon :

Fraction /

To

200

Write 3 ratios (each way) for the following:

5 pens to 10 pencils

5:10

5/10

5 to 10

300

In a bag there are 5 yellow marbles, 4 blue marbles, 7 green marbles, 8 red marbles. What is the ratio of blue to red marbles? What type of ratio is this?

4:8 

Part to Part

400

In a bag there are 5 yellow marbles, 4 blue marbles, 7 green marbles, 8 red marbles. What is the ratio of yellow marbles to green and red marbles? What type of ratio is this?

5:15

Part to Part

500

Create two equivalent ratios, one by scaling up and one by scaling down to the following ratio:

4:6

Scale up: Teacher will check

Scale down: 2:3 or other answers the teacher will check

Unit rate

100

What number needs to be in the denominator when finding the unit rate?

1

200

If you were given the ratios: 4:2, 8:4, and 12:3 what would the unit rate be?

2:1

300

Bob is paid $30.00 for 6 hours of work. How much does Bob make in one hour?

$5.00

400

Which is the better buy?

16 cards for $48.50

or

14 cards for $40.50

16 card for $48.50 = 1 card for $3.03

14 cards for $40.50 = 1 card for $2.89

So 14 cards is the better deal

500

Find the unit rate: 18 apples for $24.90. Round to the nearest hundredth.  

1 apple is $1.38

Proportions

100

Set the ratio 18/x equal to 6/7 

Solve for X

X = 21

200

Amy made 8 out of every 15 baskets she attempted during a basketball game. If she attempted to make 60 baskets, how many did she make. 

32 baskets

300

Find the missing variable. Here are the two ratios you will need to solve for the variable.

4/5

80/x

x = 100

400

Would the following ratios be proportional?

6/30

18/90

Yes, multiply by 3

500

Are the following ratios proportional?

256/90

128/55

No

Percent

100

Write the following percent as a decimal and simplified fraction.

95%

0.95

19/20

200

What is 50% of 80?

40

300

Write a fraction that is equivalent to 35%

35/100

400

Write the following as a percent and simplified fraction

0.02

2%

1/50

500

Scott has $50 to spend at the store. He spends $45 of his money on a pair of shoes. The shoes have a 20% discount. How much money did Scott go home with

$5 he never spent and $9 he got from the discount. So in total, he went home with $14

Conversions

100

60 feet = ____ yards

3 feet = 1 yard

20 yards

200

45mm = ____cm

1 cm = 10 mm

4.5 cm

300

5 gal = ____ pts

1 gal = 4 qts

1 qt = 2 pts

40 pts

400

Jackie bought 60oz of ham for $5 a pound. What is the total cost?

16oz = 1 pound

3.75 lbs x $5 = $18.75

500

The fence that surrounds my house is 36 yards long. How many inches long is my fence? 

1296 inches