KS2 Ratio Quiz

Solve the ratio problem: If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many girls are there?

• 30

• 12

• 40

• 18

What is the ratio notation for the following: 4 red marbles to 7 blue marbles?

• 7:4

• 11:4

• 3:7

• 4:7

Use ratio to solve this real-life problem: If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

• 4:3

• 1:2

• 3:2

• 2:3

Compare the ratios 2:3 and 4:6. Are they equivalent?

• Not sure

• Yes

• Maybe

• No

Simplify the ratio 10:15 to its simplest form.

• 4:5

• 2:3

• 5:7

• 7:10

If the ratio of apples to oranges in a basket is 2:3, and there are 20 oranges, how many apples are there?

• 8

• 25

• 15

• 10

Write the ratio 5:8 in its simplest form.

• 3:5

• 2:3

• 4:7

• 5:8

A recipe calls for 1 cup of milk and 2 cups of water. What is the ratio of milk to water?

• 1:2

• 1:1

• 2:1

• 3:1

If the ratio of pencils to pens in a box is 3:4, and there are 15 pens, how many pencils are there?

• 11.25

• 20

• 9

• 7.5

Solve the ratio problem: If the ratio of cats to dogs in a pet store is 5:7 and there are 35 cats, how many dogs are there?

• 12

• 25

• 60

• 49