Rate Races: Unit Rates and Comparisons for 5th Graders

A car travels 150 miles in 3 hours. What is the unit rate in miles per hour?

• 100 miles per hour

• 50 miles per hour

• 30 miles per hour

• 75 miles per hour

If a bike can travel 60 miles in 2 hours, how does its speed compare to the car's speed?

• The bike travels at 40 miles per hour.

• The bike travels at 30 miles per hour.

• The bike travels at 20 miles per hour.

• The bike travels at 50 miles per hour.

A store sells 5 apples for $3. What is the cost per apple?

• $1.00

• $0.50

• $0.60

• $0.75

Another store sells 8 apples for $4. How does the cost per apple compare to the first store?

• The second store's cost per apple is the same as the first store's.

• The second store does not sell apples.

• The second store's cost per apple is lower than the first store's.

• The second store's cost per apple is higher than the first store's.

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

• 12 km/h

• 10 km/h

• 8 km/h

• 15 km/h

If another runner finishes the same race in 40 minutes, how does their speed compare to the first runner's speed?

• The first runner is faster if they finished in less than 40 minutes; otherwise, they are slower.

• Both runners have the same speed regardless of their finish times.

• The first runner is slower if they finished in exactly 40 minutes.

• The first runner is faster if they finished in more than 40 minutes.

A factory produces 200 toys in 4 hours. What is the production rate in toys per hour?

• 50 toys per hour

• 40 toys per hour

• 80 toys per hour

• 60 toys per hour

If another factory produces 300 toys in 5 hours, how does its production rate compare to the first factory?

• The second factory produces toys at half the rate of the first.

• The first factory has a higher production rate.

• The production rates are the same.

• The second factory produces more toys than the first.

A recipe requires 2 cups of flour to make 12 cookies. What is the rate of flour per cookie?

• 0.1667 cups of flour per cookie

• 0.25 cups of flour per cookie

• 1 cup of flour per cookie

• 0.5 cups of flour per cookie

If another recipe uses 3 cups of flour to make 18 cookies, how does the rate of flour per cookie compare to the first recipe?

• The rate of flour per cookie is the same for both recipes.

• The rate of flour per cookie is higher in the second recipe.

• The first recipe uses less flour per cookie.

• The second recipe uses more flour per cookie.