Unit Rates and Comparing Rates

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 one unit. For example, if you can buy 3 apples for $1.50, the unit rate is $0.50 per apple.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units. For example, if you earn $30 for 5 hours of work, the unit rate is $30 ÷ 5 = $6 per hour.

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 because it costs less per can.

Front

If Kevin bought 3 lbs of lettuce for $3.54, how much did the lettuce cost per pound?

Back

The lettuce cost $1.18 per pound.

Front

What is the unit rate of $97.50 for 15 pizzas?

Back

The unit rate is $6.50 per pizza.

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

Alycia's unit rate is $6.80 per hour.

Front

What is the formula for finding a unit rate?

Back

The formula for finding a unit rate is: Unit Rate = Total Amount / Number of Units.

Front

What does it mean if two rates are equivalent?

Back

Two rates are equivalent if they represent the same relationship between quantities, meaning they simplify to the same unit rate.

Front

How can you compare two different rates?

Back

To compare two different rates, convert them to unit rates and see which one is larger or smaller.

Front

What is an example of a unit rate in real life?

Back

An example of a unit rate in real life is the price of gas, such as $3.00 per gallon.