Proportion Puzzles: Mastering Ratios and Rates in Grade 6

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?

• 6 cups of flour

• 4 cups of flour

• 2 cups of flour

• 3 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 in the class?

• 15

• 30

• 20

• 25

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

• 25 miles per gallon

• 35 miles per gallon

• 30 miles per gallon

• 40 miles per gallon

If a map has a scale of 1 inch to 20 miles, how many miles are represented by 3 inches on the map?

• 80 miles

• 60 miles

• 40 miles

• 100 miles

A fruit basket contains apples and oranges in the ratio of 3:2. If there are 15 apples, how many oranges are there?

• 20

• 10

• 5

• 12

A recipe requires 4 tablespoons of oil for every 2 cups of rice. How much oil is needed for 5 cups of rice?

• 8 tablespoons of oil

• 6 tablespoons of oil

• 10 tablespoons of oil

• 12 tablespoons of oil

In a school, the ratio of teachers to students is 1:15. If there are 120 students, how many teachers are there?

• 12

• 10

• 8

• 5

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

• 20 miles

• 30 miles

• 50 miles

• 40 miles

The ratio of cats to dogs in a shelter is 5:3. If there are 30 cats, how many dogs are there?

• 24

• 12

• 15

• 18

A recipe uses 3 parts of water for every 1 part of sugar. If you have 12 parts of water, how much sugar do you need?

• 8 parts of sugar

• 6 parts of sugar

• 4 parts of sugar

• 2 parts of sugar