Lesson 16, Session 5: Using Unit Rates to Solve Problems

Multiple Choice

A smartwatch records 6 miles in 1 hour. At this rate, how many yards does the smartwatch record in 1 minute?  

(1 mile = 1,760 yards)

• 120 yards
• 176 yards
• 200 yards
• 150 yards

Multiple Choice

Lucía and Quinn prepare for a bike race. Lucía bikes 46 miles in 240 minutes. Quinn bikes51 miles in 5 hours. Who bikes at a faster rate?

• Lucia

• Quinn

Open Ended

Elisa packs her suitcase to spend the summer with her dad. The suitcase weighs 49 pounds. Only suitcases with a mass of 23 kilograms or less are allowed on the airplane. Can Elisa take the suitcase on the airplane? Show your work. (For every 10 kilograms, there are about 22 pounds.)

Multiple Choice

Issay works at a restaurant. Today, it takes him 16 minutes to fold 40 napkins. He plans to fold napkins for 30 minutes tomorrow. If he works at the same rate, how many napkins will he fold tomorrow?

• 12

• 54

• 75

• 100

Multiple Choice

A desktop aquarium can hold 5 gallons of water. Desiderio fills the aquarium at a rate of 40 fluid ounces per minute. How long does it take him to fill the aquarium? Show your work. (1 gallon = 128 fluid ounces)

• 12 minutes
• 16 minutes
• 8 minutes
• 20 minutes

Multiple Choice

Glen tries to convert 21 feet to yards. He knows that 3 feet = 1 yard. His work is shown. Explain Glen’s error and show how to use a rate to find the correct solution.

    The rate is 3 feet per yard. 21 × 3 = 63 So, the length in yards is 63 yards.

• 10 yards
• 5 yards
• 7 yards
• 15 yards

Open Ended

What was Glen's error when converting 21 feet to yards?

Categorize

Options (4)

At this rate, the mouse runs 30 meters in 14 seconds

The mouse runs faster than a mouse who runs 26 meters in 13 seconds.

At this rate, it takes the mouse 5 seconds to run 15 meters.

The mouse runs at a rate of    second

1/3 per meter.

A mouse runs 24 meters in 8 seconds. Tell whether each statement is True or False.

True Statements

False Statements

Multiple Choice

Soledad buys 5 ounces of frozen yogurt for $2.25. What is the unit price of the frozen yogurt in dollars per ounce?

• 0.30
• 0.50
• 0.60
• 0.45

Open Ended

Are the rates 2 feet per second and 2 seconds per foot the same? If not, which rate is faster? Explain.