1. Unit Cost lesson

2.  How much do you know about prices at the grocery store? (20 min)  Price is Right Grocery Game Price is Right Grocery Game  Practice Game Calculate unit cost game show music  Math Concept Overview (15 min)  Unit Price  Decimal Comparison  Inequalities  Calculating Unit Price Worksheet (15 min)  Practice on your own  Are you a Savvy Shopper? (20 min)  Internet Activity on your own  Review Savvy Shopper  Who got the best deals???  Extra Time?  http://www.mathsisfun.com/measure/unit-price-game.html http://www.mathsisfun.com/measure/unit-price-game.html

3.  We are going to calculate Unit Price  Determine which item is a better value

4.  Rice Chex Cereal  Large = $1.99 (64 oz)  Small = $2.49 (16 oz)  Popcorn  Organic OR butter popcorn $2.99(3 bags)  Smart Balance $2.99 (4 bags)  Ranch Dressing  Kraft Ranch = $2.99 (16 oz)  Hidden Valley Ranch = $3.69 (16 oz)

5.  Fractions/Decimal Equivalents  ¾ =.75  ½ =.50  Need Number Line 0 1/43/41/2 1 0.250.50.75

6.  Unit Price is the cost for each unit.  Examples: Per ounce Per lb Per item such as a bunch of bananas or bag of candy bars  Formula: Price Per Unit = Price of item divided by # of units

7.  Find the unit price of a 32 oz bottle of household cleaner and then decide which is the best purchase based on the unit price per ounce. SizePriceUnit Price 8 oz$1.99 24.875 ¢/oz 12 oz$2.99 24.917 ¢/oz 16 oz$3.49 21.813 ¢/oz 32 oz$6.29 The unit price for the 32-oz size is given by 19.656 ¢/oz Based on unit price alone the 32-oz size is the best buy.

8.  Place value 1.125678 1.124987 Compare Decimals 1.125678 1.124987 >