Rate / 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 you can buy 9 cookies for $1, the unit rate is 9 cookies per dollar.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if you have 36 cookies for $4, the unit rate is 36 cookies ÷ 4 dollars = 9 cookies per dollar.

Front

If you can buy 36 cookies for $4, what is the unit rate in cookies per dollar?

Back

9 cookies per dollar.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Front

A store sees 120 customers in 8 hours. What is the unit rate in customers per hour?

Back

15 customers per hour.

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute.

Front

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

Back

20 customers per hour.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Total Cost or Time.

Front

Why is understanding unit rates important?

Back

Understanding unit rates helps in making comparisons and informed decisions, such as finding the best price or understanding speed.

Front

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

Back

An example of a unit rate is the price of gas, such as $3 per gallon.