1. MATH IN CTE Unit Cost lesson

2. GAME PLAN (8/12/2010)Objective: Consumer awareness, cost calculations • How much do you know about prices at the grocery store? (20 min) • 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

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

4. PRICE IS RIGHT • Lucky Charms • Large = $6.29 (64 oz) • Small = $2.99 (16 oz) • Popcorn • PopSecret = 2.00 (3 bags) • Safeway Popcorn = 1.89 (3 bags) • Ranch Dressing • Kens Steakhouse Ranch = $3.99 (16 oz) • Wishbone Ranch = $2.00 (16 oz)

5. Converting FRACTIONS/Rounding • Fractions/Decimal Equivalents • ¾ = .75 • ½ = .50 • Need Number Line 1/4 1/2 3/4 0 1 0.25 0.5 0.75

6. How to calculate unit price • 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 / # of units

7. Example • 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. Based on unit price alone the 32-oz size is the best buy. 19.656 ¢/oz The unit price for the 32-oz size is given by

8. INEQUALITIES • Place value 1.125678 1.124987 Compare Decimals 1.125678 1.124987 >