7th Grade Ratios Quiz

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

• 9

• 20

• 15

• 12

Solving ratio problems: A recipe calls for 2 cups of flour and 3 cups of sugar. If you want to make half the recipe, how much flour do you need?

• 2 cups

• 3 cups

• 4 cups

• 1 cup

Solving ratio problems: If the ratio of red marbles to blue marbles in a jar is 2:5 and there are 35 blue marbles, how many red marbles are there?

• 10

• 14

• 25

• 20

Writing ratios in simplest form: Write the ratio of 18 to 24 in simplest form.

• 2:3

• 3:4

• 5:6

• 7:9

Writing ratios in simplest form: Express the ratio of 30 to 45 in simplest form.

• 4:5

• 2:3

• 5:6

• 3:2

Writing ratios in simplest form: Simplify the ratio of 36 to 48.

• 3:4

• 4:3

• 6:8

• 9:12

Using ratios to solve real-world problems: If a car travels 180 miles in 3 hours, what is the ratio of miles to hours?

• 180 miles per 3 hours

• 90 miles per 6 hours

• 60 miles per hour

• 30 miles per hour

Using ratios to solve real-world problems: If a recipe calls for 2 cups of sugar and 3 cups of flour, and you want to make 4 batches, how much sugar do you need?

• 8 cups

• 3 cups

• 10 cups

• 5 cups

Using ratios to solve real-world problems: If a map has a scale of 1 inch to 5 miles, how many inches on the map represent 25 miles?

• 10 inches

• 7 inches

• 5 inches

• 3 inches

Understanding equivalent ratios: Are the ratios 4:7 and 8:14 equivalent?

• Yes

• Maybe

• Not sure

• No