Ratios, Rates & Unit Rates

Front

What is a unit rate?

Back

A unit rate is a rate that has a denominator of 1, representing how much of one quantity corresponds to one unit of another quantity.

Front

If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the difference between a ratio and a rate?

Back

A ratio compares two quantities, while a rate compares two quantities with different units.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

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

Back

To find the unit rate, divide the numerator by the denominator to simplify the rate to a per one basis.

Front

If a recipe requires 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

0.25 cups of flour per cookie.

Front

What is the formula to calculate a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a person earns $300 for 15 hours of work, what is their hourly rate?

Back

$20 per hour.

Front

What is the unit rate of speed if a bike travels 30 miles in 2 hours?

Back

15 miles per hour.

Front

If a store sells 5 pounds of apples for $10, what is the cost per pound?

Back

$2 per pound.