Rates and Unit Rates Overview

Front

What is a rate?

Back

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

Front

If the ratio of tenants to cars is 3:5 and there are 30 tenants, how many cars are there?

Back

50 cars.

Front

Luis runs 50 miles in 5 hours. How long would it take him to run 100 miles?

Back

10 hours.

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Front

What is a unit rate?

Back

A unit rate is a rate that compares a quantity to one unit of another quantity.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the total quantity by the number of units.

Front

If a car travels 120 miles in 2 hours, what is the speed in miles per hour?

Back

60 miles per hour.

Front

What does it mean if a recipe calls for 2 cups of flour for every 3 cups of sugar?

Back

It means the ratio of flour to sugar is 2:3.

Front

If a person earns $15 for 3 hours of work, what is their hourly wage?

Back

$5 per hour.