Which is the Better Buy?

Which is the Better Buy?

Lesson 20

Unit Rates​

​Finding the cost of something when you're only buying 1

​Example:

​1 apple

​1 ounce

​1 pound

Open Ended

How could knowing unit rates help you save money?

Multiple Choice

Which is the better buy?

• Apple Jacks 20oz box for $5

• Apple Jacks 15oz box for $4

​Let's Talk Strategy

​1. Finding how much 1 ounce costs....

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​2. Finding how much ounces they would get if they paid the same amount....

​Let's See If We Can Save Some Money!

​Remember:

• ​Find the unit rate to compare!

• ​Unit Rates are just equivalent ratios in the simplest form.

​

Multiple Choice

Which is the better buy of salsa?

• $1.80 for 16 ounces

• $2.20 for 24 ounces

Multiple Choice

Which is the better buy for ground beef?

• $10.65 for 3 pounds

• $17.05 for 5 pounds

Multiple Choice

Which is the better buy for apples?

• $4.30 for 10 apples

• $3.22 for 7 apples

Multiple Choice

Which is the better buy for ice cream bars?

• $4.92 for 10 bars

• $7.65 for 15 bars

Multiple Choice

Which is the better buy for orange juice?

• $4 for 52 fl. Ounces

• $0.95 for 16 fl. Ounces

Multiple Choice

Oreos $2.98 for 15.5 oz.
or
Chips Ahoy $2.50 for 14 oz.
Find the unit price of each and choose the better deal.

• Oreos
• Chips Ahoy

Multiple Choice

Sara Lee Turkey $6.58 per lb.
or
Butterball Turkey $11.16 for 2 lb.
Find the unit price of each and choose the better deal.

• Sara Lee
• Butterball

Multiple Choice

Cheerios $3.68 for 17 oz.
or
Apple Jacks $2.89 for 13 oz.
Find the unit price of each and choose the better deal.

• Cheerios
• Apple Jacks

Multiple Choice

Which option is the better deal?
Doritos
$4.39 for 11.5 oz
or
Cheetos
9.75 oz for $3.24

• Doritos
• Cheetos

Multiple Choice

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

Multiple Choice

Coca-Cola $1.30 for 1 L

or

Pepsi $2.50 for 2 L

Find the unit price of each and choose the better deal.

• Pepsi

• Coca-Cola

​Real Life Examples

Open Ended

How would you describe unit rates to someone who has never h

Open Ended

In your own words, how do you find a unit rate?

Poll

How I feel about finding unit rates...

•  😃

•  😎

•   😵‍💫

•  😶