Rates and Unit Rate Review

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction or a decimal.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit. It shows how much of one quantity corresponds to one unit of another quantity.

Front

If 4 boxes of cereal cost $10, what is the cost of 1 box?

Back

$2.50

Front

If 12 inches of snow falls in 4 hours, how much snow falls in 1 hour?

Back

3 inches per hour

Front

How do you calculate the unit rate from a given rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity.

Front

What is the formula for finding miles per gallon (mpg)?

Back

Miles per gallon (mpg) = Total miles driven / Total gallons of gas used.

Front

If Car A goes 451 miles on 22 gallons of gas, what is its mpg?

Back

20.5 mpg

Front

If 4 photo albums cost $80, how much do 5 photo albums cost?

Back

$100

Front

What is the relationship between rates and proportions?

Back

Rates can be expressed as proportions, where two ratios are set equal to each other.

Front

If a pool fills at a rate of 6 gallons per minute, how much water will it have after 10 minutes?

Back

60 gallons