Unit Rates

Front

What is a unit rate?

Back

A unit rate is a rate for one of something, such as miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you have 40 jumps in 4 minutes, the unit rate is 40 jumps ÷ 4 minutes = 10 jumps per minute.

Front

If Jack jumps 40 times in 4 minutes, how many times does he jump in 1 minute?

Back

10 jumps per minute.

Front

Which is the better buy: a 12 pack of Coke for $3.50 or a 6 pack for $1.80?

Back

The 12 pack of Coke is the better buy.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of items. For example, for a 12 pack costing $3.50, the unit price is $3.50 ÷ 12.

Front

What is the unit rate of Sasha mowing 3/8 of an acre in 3/4 of an hour?

Back

1/2 acre per hour.

Front

If a painter uses 1 1/2 gallons of paint for 3/4 of a room, how much paint is needed for the whole room?

Back

2 gallons.

Front

True or False: A unit rate can be expressed as a fraction.

Back

True.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.