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 quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 150 apples for 5 baskets, the unit rate is 150 ÷ 5 = 30 apples per basket.

Front

If a person runs 12 miles in 3 hours, what is their speed in miles per hour?

Back

4 miles per hour (12 miles ÷ 3 hours = 4 miles/hour).

Front

A recipe requires 4 cups of flour for 2 loaves of bread. How much flour is needed for 1 loaf?

Back

2 cups of flour (4 cups ÷ 2 loaves = 2 cups/loaf).

Front

If a car uses 15 gallons of gas to travel 300 miles, what is the car's fuel efficiency in miles per gallon?

Back

20 miles per gallon (300 miles ÷ 15 gallons = 20 miles/gallon).

Front

What is the unit cost of an item?

Back

The unit cost is the cost per single item, calculated by dividing the total cost by the number of items.

Front

If 5 notebooks cost $10, what is the cost of one notebook?

Back

$2 per notebook ($10 ÷ 5 notebooks = $2/notebook).

Front

How do you find the unit price of an item on sale?

Back

To find the unit price, divide the sale price by the quantity of the item. For example, if 3 cans of soup cost $6, the unit price is $6 ÷ 3 = $2 per can.

Front

If a cyclist travels 45 miles in 3 hours, how many miles do they travel in 1 hour?

Back

15 miles (45 miles ÷ 3 hours = 15 miles/hour).

Front

What is the formula for calculating unit rates?

Back

Unit Rate = Total Quantity ÷ Number of Units.