Proportions Quiz

What is a ratio?

• A ratio is a measurement of distance.

• A ratio is a unit of measurement.

• A ratio is a type of fraction.

• A ratio is a comparison between two or more quantities.

Simplify the ratio 4:8.

• 2:4

• 3:6

• 5:10

• 1:2

Determine if the following pairs of ratios are proportional: (2:3) and (4:6).

• Yes

• No.

• Maybe.

• Not sure.

Find the unit rate: 360 miles in 6 hours.

• 30 miles per hour.

• 90 miles per hour.

• 120 miles per hour.

• 60 miles per hour

How do you solve a proportion?

• Add both sides of the proportion.

• Divide both sides by the known variable.

• Subtract both sides of the proportion.

• Cross-multiply and solve for the unknown variable.

Solve the proportion: 3/5 = x/15.

• 18

• 9

• 12

• 5

If 4 pencils cost $2, how much would 6 pencils cost?

• $3

• $5

• $4

• $6

A recipe calls for 2 cups of flour to make 12 cookies. How much flour is needed to make 24 cookies?

• 8 cups

• 6 cups

• 4 cups

• 2 cups