Ratio and Proportion Year 5

What is ratio?

• A comparison of two quantities

• When the only factor the numerator and denominator share is a one (1)

• A rate with a denominator of one(1)

• Two decimals that can be multiplied

What is the ratio of red apples to green apples?

• 7 : 3

• 4 : 3

• 4 : 7

• 3 : 4

A baseball team has 16 girls and 8 boys. What is the ratio of total players to boys?

• 16 : 8

• 8 : 24

• 24 : 8

• 8 : 16

Zaleha has 10 apps on her iPad. 5 are school apps, 2 are music apps and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2

• 5 to 10

• 3 to 5

• 5 to 3

If there are 5 boys and 7 girls, write the ratio of girls to all pupils.

• 5 : 7

• 7 : 5

• 5 : 12

• 7 : 12

Pandalela swims 3 laps in a pool every 2 minutes. How long would it take her to swim 27 laps?

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes

A cake recipe needs 1.5 cups of milk and 3 cups of flour. Suria made a mistake and used 6 cups of flour. How many cups of milk should she use to keep the proportion correct?

• 2 cups

• 2.5 cups

• 3 cups

• 3.5 cups

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8 cones

• 15 cones

• 40 cones

• 29 cones

Aliff purchased 25 fruits from a stall. 10 were oranges and the rest were plums. What is the ratio of plums to oranges?

• 15 : 10

• 10 : 25

• 25 : 15

• 10 : 15

A local bakery makes 50 batches of cookies in 4 hours. How many batches of cookies would they make in 12 hours?

• 120 batches

• 200 batches

• 400 batches

• 150 batches