Unit Rates and Proportions: 5th Grade Challenge

A car travels 120 miles in 2 hours. What is the unit rate in miles per hour?

• 60 miles per hour

• 90 miles per hour

• 30 miles per hour

• 120 miles per hour

If 3 pounds of apples cost $6, how much do 5 pounds cost?

• $10

• $12

• $15

• $8

A recipe requires 4 cups of flour for 8 cookies. How much flour is needed for 20 cookies?

• 10 cups of flour

• 6 cups of flour

• 12 cups of flour

• 8 cups of flour

A runner completes a 5K race in 25 minutes. What is the runner's speed in minutes per mile?

• 8.06 minutes per mile

• 9.00 minutes per mile

• 10.20 minutes per mile

• 7.50 minutes per mile

If a bottle holds 2 liters of water, how many bottles are needed to hold 10 liters?

• 6 bottles

• 5 bottles

• 3 bottles

• 4 bottles

A factory produces 300 toys in 5 hours. What is the production rate in toys per hour?

• 60 toys per hour

• 100 toys per hour

• 75 toys per hour

• 50 toys per hour

If 10 gallons of paint cover 400 square feet, how many gallons are needed for 1,000 square feet?

• 15 gallons

• 25 gallons

• 20 gallons

• 30 gallons

A cyclist rides 15 miles in 1.5 hours. What is the unit rate in miles per hour?

• 20 miles per hour

• 12 miles per hour

• 10 miles per hour

• 5 miles per hour

If a car uses 3 gallons of gas to travel 90 miles, what is the gas mileage in miles per gallon?

• 40 miles per gallon

• 30 miles per gallon

• 20 miles per gallon

• 15 miles per gallon

A store sells 4 notebooks for $8. How much would 10 notebooks cost?

• $25

• $12

• $15

• $20