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PPT – The unit rate is the rate for one unit of a given quantity. PowerPoint presentation | free to download - id: 8442fc-YjJmZ

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Finding Unit Rate

- The unit rate is the rate for one unit of a given

quantity.

Finding Unit Rate can save you money!

Unit Price Price per Item Measure or

Count of Items

- Allows shoppers to compare the prices of items

quickly and easily

Genuardis

Unit Price

Unit Price 2 50 plates

Paper Plates

0.40 per plate

Unit Price 2 9 oz.

For 9 oz.

0.22 per oz.

Cereal

Unit Price 2 13.75 oz

For 13.75 oz.

0.15 per oz.

Coffee

Oranges 4 lb. Bag 2.99 Unit Price?

M Ms 14 oz. Bag for 2.69 Unit Price?

Safeway Select Detergent 300 oz. 10.99 What is

the Unit Price?

Wisk Laundry Detergent 100 oz. 4.99 What is the

Unit Price?

What is the better buy?

Dixie plates 2.49 24 count Unit Price (per

plate)?

Hefty plates 2 for 4.00 50 count (each

pkg.) Unit Price (per plate)?

Which is the better buy?

Genuardi's

Cheerios 3 for 6 13.75 oz. boxes Unit Price

(per oz.)?

Giant Food Stores

Cheerios 3 for 7.00 15 oz. boxes Unit Price (per

oz.)?

Which is the better buy?

Bounty 8 rolls 5.99

Thirsty 2 rolls 2.99

Now you want to compare these two brands, which

are both on sale. You have determined that you

want 8 rolls of paper towels. Which brand will

you buy?

Comparison Shopping Finding the Better Buy

- Finding the Better Buy is determining which

size, store, or deal will give you the most

product for your money - We use Unit Prices to compare product sizes to

find the better buy - We also use Unit Prices to determine which store

or deal will give us the better buy

Unit Rate is not just for shopping

- Amy can read 88 pages in 4 hours. What is the

unit rate? (How many pages can she read per

hour?)

- Samuel checked his heart rate. He counted 150

beats in two minutes. Calculate his heartbeats

per minute.

Did you know you were calculating slope (rate of

change) this whole time? Check it out

- Which is the better buy?
- Guss Gas Station sells gas using the following

equation C 3.35g - (C total cost, g of gallons)
- Sallys Station uses the following table

Gallons of Gas Total Cost

2 7

4 14

6 21