Unit Rate Flashcard

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. It is often used to determine the cost per item or the speed per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

What is the unit rate for 450 miles in 6 hours?

Back

The unit rate is 450 miles ÷ 6 hours = 75 miles per hour.

Front

How do you determine which deal is better when comparing prices?

Back

To determine the better deal, calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

If Oreos cost $2.98 for 15 oz and Chips Ahoy cost $2.50 for 14 oz, which is the better deal?

Back

Chips Ahoy is the better deal because it has a lower cost per ounce.

Front

What is the cost per pound if 4 pounds of bananas cost $6?

Back

The cost per pound is $6 ÷ 4 pounds = $1.50 per pound.

Front

What is the formula for calculating unit price?

Back

Unit Price = Total Price ÷ Number of Units.

Front

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

Back

The unit rate is 300 miles ÷ 5 hours = 60 miles per hour.

Front

What is the unit rate for 100 dollars spent on 25 pounds of apples?

Back

The unit rate is $100 ÷ 25 pounds = $4 per pound.

Front

How do you find the total amount needed for multiple units?

Back

Multiply the unit price by the number of units. For example, if the unit price is $2 and you need 10 units, the total amount is $2 × 10 = $20.