Computing Unit Rates with Simple Fractions

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It takes a turtle 3 ¼ hours to walk 1 ½ miles. How many hours does it take to walk one mile?

• 6/13 hours

• 39/8 hours

• 13/6 hours

• 8/39 hours

Lauren bikes 4/3 miles in 1/10 hour. How long does it take her to bike one mile?

• 15/2 hours

• 2/15 hours

• 40/3 hours

• 3/40 hours

A novelist can write 2 ¼ pages in 3/5 of an hour. What is her speed in pages per hour?

• 4/15 pages per hour

• 15/4 pages per hour

• 20/27 pages per hour

• 27/20 pages per hour

During a bake sale, 1 1/2 dozen cookies were sold in 1/3 hour. What is the unit rate for the dozens ofcookies sold per hour?

• 1/2

• 2/1

• 9/2

• 6/1

Joe can run 3 2/5 miles in 7/8 of an hour. What is his speed in miles per hour?

• 3  9/13 mph

• 119/40 mph

• 3  31/35 mph

• 35/136 mph 

What is a unit rate?

• Two unlike things compared to each otehr 

• How often something occurs 

• A rate expressed as something per two

• A rate expressed as something per one

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

Paige mows 1/6 of an acre in 1/4 hour. How many acres does Paige mow per hour?

• 6/4

• 2/3

• 2

• 3

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2  ac./hr.

• 1/2  ac./hr.

• 9/24  ac./hr.