Unit Rate

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 you pay $4 for 1 golf ball, the unit rate is $4 per golf ball.

Front

How do you find the unit rate from a total cost and quantity?

Back

To find the unit rate, divide the total cost by the quantity. For example, if Gilbert paid $28 for 7 golf balls, the unit rate is $28 ÷ 7 = $4 per golf ball.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate?

Back

The unit rate is $40 ÷ 5 = $8 per pound.

Front

How do you calculate the number of items per time period?

Back

To calculate the number of items per time period, divide the total number of items by the total time. For example, if Kiontre reads 100 pages in 5 days, he reads 100 ÷ 5 = 20 pages per day.

Front

What is the unit rate of customers per hour if a store sees 120 customers in 8 hours?

Back

The unit rate is 120 ÷ 8 = 15 customers per hour.

Front

If Dana makes 18 calls in 6 hours, how many calls does she make in 1 hour?

Back

Dana makes 18 ÷ 6 = 3 calls per hour.

Front

What is the formula to calculate unit rate?

Back

The formula to calculate unit rate is: Unit Rate = Total Quantity ÷ Total Cost or Time.

Front

Why is understanding unit rates important?

Back

Understanding unit rates helps in making comparisons and informed decisions, such as finding the best price or understanding speed.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

The speed is 300 ÷ 5 = 60 miles per hour.

Front

How do you express a unit rate in different contexts?

Back

Unit rates can be expressed in various contexts, such as speed (miles per hour), price (dollars per item), or efficiency (tasks per hour).