Unit Rates & Fractional Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a single unit. For example, if a car travels 150 miles in 3 hours, the unit rate is 50 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 60 apples for $3, the unit rate is 60 apples ÷ 3 dollars = 20 apples per dollar.

Front

What is a fractional unit rate?

Back

A fractional unit rate is a unit rate that involves fractions. For example, if a recipe requires 1/2 cup of sugar for 3/4 of a cake, the unit rate is 1/2 cup ÷ 3/4 cake = 2/3 cup of sugar per cake.

Front

How do you convert a fraction to a unit rate?

Back

To convert a fraction to a unit rate, divide the numerator by the denominator and then express it in terms of one unit. For example, 1/4 of a pie per 1/2 hour is 1/4 ÷ 1/2 = 1/2 pie per hour.

Front

If Juan ran 2 miles in 12 minutes, what is his unit rate in miles per minute?

Back

1/6 mile per minute.

Front

If Kyle took 1/5 of a minute to eat 1/2 of a pie, how many pies can he eat per minute?

Back

2 and 1/2 pies per minute.

Front

If 3/4 gallon of paint covers 1/3 of the wall, how much paint is needed for one entire wall?

Back

2 and 1/4 gallons.

Front

How many pages can Jorge’s printer print in 1 hour if it can print 24 pages in 15 minutes?

Back

96 pages.

Front

What is the price per ounce of a 30 oz. jar of mayonnaise that costs $2.99?

Back

$0.10 per ounce.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.