Lesson 18 Comparing 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 buy 3 apples for $1.50, the unit rate is $0.50 per apple.

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 5 pounds of potatoes cost $2.85, the unit price is $2.85 ÷ 5 = $0.57 per pound.

Front

What is the importance of comparing rates?

Back

Comparing rates helps consumers determine which option offers the best value for their money, allowing them to make informed purchasing decisions.

Front

If Grocery Mart sells potatoes for $2.85 for 5 pounds, what is the unit price?

Back

$0.57/lb

Front

If Baldwin Hills Market sells strawberries for $4.00 for 3 pounds, what is the unit price?

Back

$1.33/lb

Front

What does it mean if one store has a better deal than another?

Back

It means that the unit price of the item is lower at that store, providing more value for the same quantity of the product.

Front

How can you determine which store has the better deal on the same product?

Back

By calculating the unit price for each store and comparing them. The store with the lower unit price has the better deal.

Front

What is the unit price for strawberries at Grocery Mart if they cost $4.47 for 3 pounds?

Back

$1.49/lb

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Cost ÷ Total Quantity.

Front

If you buy 10 oranges for $5.00, what is the unit rate for oranges?

Back

$0.50/orange