Proportions and Ratios: A 6th Grade Challenge

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to use 6 cups of sugar, how many cups of flour do you need?

• 3 cups of flour

• 6 cups of flour

• 4 cups of flour

• 2 cups of flour

In a class, the ratio of boys to girls is 4:5. If there are 20 boys, how many girls are there?

• 30

• 15

• 20

• 25

A car travels 150 miles using 5 gallons of gas. What is the rate of miles per gallon?

• 40 miles per gallon

• 35 miles per gallon

• 25 miles per gallon

• 30 miles per gallon

A fruit stand sells apples and oranges in the ratio of 3:2. If there are 30 apples, how many oranges are there?

• 10 oranges

• 25 oranges

• 15 oranges

• 20 oranges

If a map shows a scale of 1 inch to 10 miles, how many miles are represented by 4 inches on the map?

• 50 miles

• 40 miles

• 20 miles

• 30 miles

A recipe requires 3 parts of water for every 2 parts of juice. If you have 12 parts of juice, how much water do you need?

• 12 parts of water

• 9 parts of water

• 18 parts of water

• 15 parts of water

In a school, the ratio of teachers to students is 1:15. If there are 300 students, how many teachers are there?

• 30

• 20

• 15

• 25

A car can travel 240 miles on 8 gallons of gas. How many miles can it travel on 1 gallon?

• 30 miles

• 50 miles

• 40 miles

• 20 miles

A store sells pencils and erasers in the ratio of 5:3. If there are 40 pencils, how many erasers are there?

• 24

• 20

• 32

• 30

If a recipe uses 4 cups of milk for every 2 cups of cream, how much cream is needed if you use 12 cups of milk?

• 4 cups of cream

• 10 cups of cream

• 8 cups of cream

• 6 cups of cream