Unit Rates and Proportions: A 6th Grade Challenge

A car travels 150 miles on 5 gallons of gas. What is the unit rate of miles per gallon?

• 35 miles per gallon

• 40 miles per gallon

• 25 miles per gallon

• 30 miles per gallon

If 3 apples cost $1.50, how much would 8 apples cost?

• $4.00

• $5.00

• $2.50

• $3.00

A recipe requires 4 cups of flour for 12 cookies. How much flour is needed for 30 cookies?

• 8 cups of flour

• 12 cups of flour

• 6 cups of flour

• 10 cups of flour

A runner completes 10 kilometers in 50 minutes. What is the runner's speed in kilometers per hour?

• 10 km/h

• 15 km/h

• 8 km/h

• 12 km/h

If 5 pounds of oranges cost $3.75, what is the cost per pound?

• $1.25

• $0.50

• $0.75

• $1.00

A school has 240 students and 12 teachers. What is the ratio of students to teachers?

• 20:1

• 5:1

• 30:1

• 15:1

If a car can travel 300 miles on 10 gallons of gas, how many miles can it travel on 15 gallons?

• 500 miles

• 375 miles

• 300 miles

• 450 miles

A recipe calls for 2 cups of sugar for 8 servings. How much sugar is needed for 20 servings?

• 5 cups

• 3 cups

• 6 cups

• 4 cups

If a store sells 4 shirts for $80, what is the price of one shirt?

• $25

• $15

• $30

• $20

A cyclist rides 60 miles in 3 hours. What is the unit rate in miles per hour?

• 15 miles per hour

• 20 miles per hour

• 30 miles per hour

• 25 miles per hour