Rates and Unit Rates

Front

What is a rate?

Back

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

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing 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 total amount by the number of units.

Front

If Harry mowed 8 lawns for $96, what is his earnings per lawn?

Back

$12 per lawn.

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound.

Front

What is the ratio of dimes to nickels if there are 10 dimes and 5 nickels?

Back

2 to 1.

Front

If the Williams family bought 4 concert tickets for $252, what was the price per ticket?

Back

$63.00 per ticket.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms by dividing both sides by their greatest common factor.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Front

If you earn $60 for 3 hours of work, what is your hourly rate?

Back

$20 per hour.