Rates and Unit Rates Flashcard

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. For example, if you travel 60 miles in 1 hour, the unit rate is 60 miles per hour.

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 8 pounds of strawberries cost $14, the unit rate is $14 ÷ 8 = $1.75 per pound.

Front

If 125 students are riding in 5 buses, how many students are on one bus?

Back

25 students are on one bus.

Front

If 88 students are divided into 4 classes, how many students are in each class?

Back

22 students per class.

Front

Bryce pays $14 for 8 pounds of strawberries. What does he pay per pound?

Back

$1.75 per pound.

Front

At the market, 7 apples cost $4.55. What is the cost per apple?

Back

$0.65 per apple.

Front

I paid $15.00 for 6 gallons of gasoline. What was the price per gallon?

Back

$2.50 per gallon.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity ÷ Number of Units.

Front

What is the difference between a rate and a unit rate?

Back

A rate compares two quantities, while a unit rate compares a quantity to one unit of another quantity.