Mastering Ratios and Proportions

What is the ratio of 4 apples to 2 oranges?

• 3:1

• 2:1

• 1:2

• 4:2

Simplify the ratio 10:5.

• 2:1

• 3:1

• 5:10

• 1:2

Which is greater, the ratio 3:4 or 2:3?

• 1:2

• 3:4

• 5:6

• 4:5

Find an equivalent ratio for 2:5.

• 4:10

• 1:3

• 3:7

• 6:15

If a recipe calls for 3 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

• 1:2

• 4:3

• 3:2

• 2:3

Simplify the ratio 12:16.

• 3:4

• 2:3

• 1:2

• 4:5

If the ratio of boys to girls in a class is 5:7, how many girls are there if there are 25 boys?

• 30

• 35

• 40

• 25

What is the ratio of 15 to 25 in simplest form?

• 2 to 5

• 3 to 5

• 1 to 2

• 4 to 5

Compare the ratios 1:2 and 3:5. Which is larger?

• 4:5

• 3:5

• 1:2

• 2:3

If 6 pencils cost $3, how much do 12 pencils cost?

• $5

• $8

• $4

• $6