Rates with Fractions

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

A recipe calls for 2/3 cup white sugar for every ¾ cup brown sugar. If I want to use 1 cup of white sugar, how much brown sugar should I use?

• 9/8 cups

• 1/2 cups

• 8/9 cups

• 2 cups

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

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.

If a snail can move 3/10 of a meter every 1/12 hour, what is the speed of the snail, in meters per hour?

• 1/40
• 5/18
• 1 1/2
• 3 3/5

A painter used 1 1/2 gallons of paint to paint 3/4 of a room.  At this same rate, how many gallons will it take to paint the whole room?

• 1/2
• 1 1/8
• 2
• 6