Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares quantities with different units.

Front

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

Back

102 words per minute.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1.

Front

If it cost $46.80 to fill a 13-gallon gas tank, what is the price of gas per gallon?

Back

$3.60 per gallon.

Front

How do you calculate the cost per pound of an item?

Back

Divide the total cost by the weight in pounds.

Front

If Maya makes $10 an hour, how many hours will it take her to earn $150?

Back

15 hours.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

Which size bag of dog food has the lowest cost per pound?

Back

The 20-lb bag.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a car travels 240 miles in 4 hours, what is its speed in miles per hour?

Back

60 miles per hour.