Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price? Unit price is the cost of one unit of...

12
Unit Price Mrs. Kuznia Math 8 Day 7

Transcript of Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price? Unit price is the cost of one unit of...

Page 1: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Unit Price

Mrs. KuzniaMath 8Day 7

Page 2: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

What is Unit Price?

Unit price is the cost of one unit of measure of an item.

Unit price is often used in a grocery store to compare the price of two or more brands of the same item.

Page 3: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

How do we determine Unit Prices?

To determine a unit price we will set up a proportion. One side of the proportion will always be:

X Dollars 1 Unit (whatever we are buying)

Page 4: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Example

Find the Unit Price if an 8oz can of Campbell’s soup costs $1.19

Page 5: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Example Find the Unit Cost

when a 24 Oz Box of Lucky Charms costs $3.99

Page 6: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Example Find the Unit Cost

if an 8 pack of Capri Sun costs $2.99

Page 7: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

TRY!!! Find the Unit Cost

if a 10 oz bottle of Baby Shampoo Costs $1.89

Page 8: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Comparing Unit Prices

Sometimes, we want to compare the unit prices of two different items.

When doing this we are looking for the

“Best Buy” “Better Value”

Page 9: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

To Compare

To compare unit prices we must: Find the unit price of each item

separately Choose the item with the LOWER unit

price

Page 10: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

What is the better value? A 12 oz can of Campbells Tomato Soup for

$0.99, or a 10 oz can of Heinz Tomato Soup for $0.89

Page 11: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Which is the better buy?

A 12 pack of pop-tarts for $2.99 or an 8 pack of pop-tarts for $2.19?

Page 12: Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

Try One! Which is the better

value. A 20 oz bottle of ketchup for $2.19 or a 32 oz. bottle of ketchup for $3.59?