Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one. It tells you 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 first quantity by the second quantity. For example, if you have 120 customers in 6 hours, the unit rate is 120 ÷ 6 = 20 customers per hour.

Front

If a store has 240 customers in 12 hours, what is the unit rate in customers per hour?

Back

20 customers per hour.

Front

If you spend $15 for 3 pounds of apples, what is the unit rate in dollars per pound?

Back

$5 per pound.

Front

What is the formula to find the total quantity based on a unit rate?

Back

Total Quantity = Unit Rate × Number of Units.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

If a recipe requires 4 cups of flour for 2 loaves of bread, what is the unit rate in cups of flour per loaf?

Back

2 cups of flour per loaf.

Front

How many customers can a cashier serve in 30 minutes if they serve 2 customers in 8 minutes?

Back

7.5 customers.

Front

If a person can type 240 words in 3 minutes, how many words can they type per minute?

Back

80 words per minute.