Mastering Ratios: Comparing and Finding Equivalents

A recipe calls for 2 cups of flour and 3 cups of sugar. What is the ratio of flour to sugar?

• 2:3

• 1:2

• 2:1

• 3:2

If a class has 12 boys and 8 girls, what is the ratio of boys to girls? Can you simplify it?

• 2:1

• 4:3

• 5:3

• 3:2

A car travels 150 miles using 5 gallons of gas. What is the ratio of miles traveled to gallons used?

• 40:1

• 25:1

• 30:1

• 35:1

In a fruit basket, there are 6 apples and 4 oranges. What is the ratio of apples to the total number of fruits?

• 4:6

• 2:5

• 3:5

• 1:4

A school has a ratio of 3 teachers for every 20 students. If there are 60 students, how many teachers are there?

• 15

• 9

• 6

• 12

If a recipe is doubled, and it originally called for a ratio of 1:4 of salt to water, what will the new ratio be?

• 1:2

• 2:4

• 1:1

• 1:4

A store sells 15 red shirts and 10 blue shirts. What is the ratio of red shirts to blue shirts? Are these ratios equivalent to 3:2?

• There are more blue shirts than red shirts.

• The ratio of red shirts to blue shirts is 5:1.

• The ratio of red shirts to blue shirts is 2:3.

• Yes, the ratio of red shirts to blue shirts is equivalent to 3:2.

In a garden, the ratio of roses to tulips is 5:3. If there are 15 roses, how many tulips are there?

• 15

• 12

• 6

• 9

A recipe requires 4 parts of oil to 1 part of vinegar. If you want to make a smaller batch using 2 parts of oil, how much vinegar do you need?

• 1 part vinegar

• 3 parts vinegar

• 0.5 parts vinegar

• 2 parts vinegar

If a box contains 10 green balls and 5 yellow balls, what is the ratio of green balls to yellow balls? Can you find an equivalent ratio?

• 3:1

• 1:2

• 2:1

• 5:2