Comparing Unit Prices (Math Nation 3.5)

Front

What is unit price?

Back

The unit price is the cost per single unit of measure, such as per liter, per pound, or per minute, which helps compare prices of different quantities.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the total quantity. For example, if a 2-liter bottle costs $1.39, the unit price is $1.39 / 2 = $0.695 per liter.

Front

Why is it important to compare unit prices?

Back

Comparing unit prices helps consumers determine which product offers the best value for their money, allowing for more informed purchasing decisions.

Front

If a 1.5-liter bottle of soda costs $2.25, what is the unit price?

Back

The unit price is $2.25 / 1.5 = $1.50 per liter.

Front

What is the unit price of 3 pounds of apples for $4.50?

Back

The unit price is $4.50 / 3 = $1.50 per pound.

Front

How can you determine which service is a better deal?

Back

To determine which service is a better deal, calculate the rate of service per hour or per unit and compare the results.

Front

If you can cut 4 lawns in 6 hours, what is your rate of cutting lawns per hour?

Back

Your rate is 4 lawns / 6 hours = 2/3 lawns per hour.

Front

What is the rate of cutting lawns for a friend who cuts 5 lawns in 8 hours?

Back

The rate is 5 lawns / 8 hours = 5/8 lawns per hour.

Front

How do you compare two different prices for the same quantity?

Back

To compare two different prices for the same quantity, calculate the unit price for each and see which one is lower.

Front

If a 2.5-pound steak costs $12.50, what is the unit price?

Back

The unit price is $12.50 / 2.5 = $5.00 per pound.