Unit Rate

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles on 10 gallons of gas, the unit rate is 30 miles per gallon.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 150 miles driven on 5 gallons of gas, the unit rate is 150 ÷ 5 = 30 miles per gallon.

Front

What is the unit rate of 120 miles on 5 gallons of gas?

Back

The unit rate is 120 ÷ 5 = 24 miles per gallon.

Front

What is the unit rate of 175 miles on 8 gallons of gas?

Back

The unit rate is 175 ÷ 8 = 21.875 miles per gallon.

Front

Which car has a better gas mileage: 120 miles on 5 gallons or 175 miles on 8 gallons?

Back

The car with 120 miles on 5 gallons (24 miles per gallon) has better gas mileage than the car with 175 miles on 8 gallons (21.875 miles per gallon).

Front

What is the best price for 2 liters of milk at $3.80 and 1.5 liters at $2.70?

Back

1.5 liters of milk at $2.70 is the better price.

Front

How do you determine the best deal when comparing prices?

Back

To determine the best deal, calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

What is the unit price of $52.16 for 8 dozen oranges?

Back

The unit price is $52.16 ÷ 8 = $6.52 per dozen.

Front

What is the unit price of $33.77 for 5 dozen oranges?

Back

The unit price is $33.77 ÷ 5 = $6.75 per dozen.

Front

Which is the better buy: 7 pencils for $1.40 or 6 pencils for $1.26?

Back

7 pencils for $1.40 is the better buy.