Proportional Relationships End of Unit Review

Select all the ratios that are equivalent to 10:8.

• 5:4

• 8:10

• 20:16

• 12:10

• 9:7

A mixture of orange paint contains 3 teaspoons of red paint and 7 teaspoons of yellow paint. To make the same shade of orange paint using 35 teaspoons of yellow paint, how much red paint would you need?

Hint: Draw a double number line diagram to help if needed.

• 12 teaspoons

• 15 teaspoons

• 18 teaspoons

• 26 teaspoons

Lin rode her skateboard 3 miles in 9 minutes. She rode at a constant speed. How long did it take her to go 1 mile.

Hint: Draw a table.

• 1 minute

• 2 minutes

• 3 minutes

• 4 minutes

3 apples cost $9.99. At this rate, how much do 4 apples cost?

• $24.76

• $15.54

• $13.32

• $20.45

A bag contains 100 marbles. Some are blue and the rest are green. There are 9 blue marbles for every green marble. How many green marbles are in the bag?

Hint: Draw a tape diagram if needed.

• 20

• 90

• 80

• 10

To make grape soda, Noah mixes 5 cups of grape juice with 7 cups of soda water. Andre mixes 6 cups of grape juice with 9 cups of soda water.

Which ratio is equivalent to Noah's mixture?

Hint: Draw a double number line or a table.

• 30:42

• 21:15

• 15:30

• 44:74

To make grape soda, Noah mixes 5 cups of grape juice with 7 cups of soda water. Andre mixes 6 cups of grape juice with 9 cups of soda water.

How do their grape sodas compare in taste?

Hint: Draw a double number line diagram or table to help if needed.

• Noah's tastes more like grape.

• Andre's tastes more like grape.

• Andre's makes more soda in one batch.

• Noah's makes more soda in one batch.

In a group of balloons, there are 10 yellow balloons, 3 blue balloons, and 5 green balloons. Select all the statements that correctly describe this situation.

• The ratio of blue balloons to yellow balloons is 3:10.

• For every 5 green balloons, there are 10 yellow balloons.

• The ratio of yellow balloons to blue balloons is 10 to 5.

• For every green balloon there are 2 yellow balloons.

Select all the ratios that are equivalent to 6:8.

• 8:6

• 3:4

• 9:12

• 12:16

Enter the missing numbers to create equivalent ratios. 
1 : 3
6 : 18
2 : _
4 : _

• 4 & 8
• 4 & 12
• 6 & 12
• 6 & 8