Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two quantities with different units, such as miles per hour or dollars per pound.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the numerator by the denominator to find the amount per one unit.

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 1 minute?

Back

0.25 customers per minute.

Front

If a store has 120 customers in 6 hours, how many customers does it have per hour?

Back

20 customers per hour.

Front

What is the unit rate of $3.75 for 3 pounds of granola?

Back

$1.25 per pound.

Front

If a car travels 130 miles in 2 hours, what is its speed in miles per hour?

Back

65 miles per hour.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a recipe calls for 4 cups of flour for 2 cakes, what is the unit rate of flour per cake?

Back

2 cups of flour per cake.

Front

How do you convert a rate to a unit rate?

Back

Divide the total amount by the number of units to find the amount per one unit.