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 one unit. For example, if you drive 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate speed as a unit rate?

Back

Speed can be calculated by dividing the distance traveled by the time taken. For example, if you travel 120 miles in 2 hours, your speed is 120 miles ÷ 2 hours = 60 miles per hour.

Front

If a car travels 150 miles in 3 hours, what is the speed?

Back

50 miles per hour.

Front

What is the formula for finding the cost per unit?

Back

Cost per unit = Total cost ÷ Number of units. For example, if a 20-lb bag of dog food costs $23.44, the cost per pound is $23.44 ÷ 20 lbs = $1.17 per pound.

Front

How do you find the lowest cost per pound among different sizes of bags?

Back

Calculate the cost per pound for each bag size and compare them. The bag with the lowest cost per pound is the best deal.

Front

If John runs 18 miles in 6 hours, how many miles does he run in 1 hour?

Back

3 miles.

Front

What is the unit rate for driving 54 miles in 9 days?

Back

6 miles per day.

Front

If Maria flies 1,000 miles in 10 hours, how many miles does she fly in 1 hour?

Back

100 miles.

Front

What is the significance of unit rates in real-life situations?

Back

Unit rates help compare different quantities and make informed decisions, such as finding the best price or understanding speed.

Front

How can you express a unit rate in different forms?

Back

Unit rates can be expressed as fractions, decimals, or whole numbers. For example, 60 miles per hour can be expressed as 60/1 or 60.0.