1. OBJECTIVE: Learn to work with unit rates.

2. How many of you have ever had to spend your own money for food? If you walk into a store and are starving but have to spend your own money, how do you go about deciding what to buy? Our lesson today on unit rates/unit prices will help us in making smart decisions when choosing food to buy for our shopping.

3. Unit rates are rates in which the second quantity is 1. unit rate: 30 miles, 1 hour or 30 mi/h The ratio 90 3 can be simplified by dividing: 90 3 = 30 1

4. Example 1: Finding Unit Rates Geoff can type 30 words in half a minute. How many words can he type in 1 minute? Write a rate. = Geoff can type 60 words in one minute. Multiply to find words per minute. 60 words 1 minute 30 words minute 1212 30 words 2 minute 2 1212

5. 16 oz. coke - $1.99 24 oz. coke - $2.79 32 oz. coke - $3.29

6. 10 oz. bag skittles - $0.79 14 oz. bag skittles - $0.99 20 oz. bag skittles - $1.99

7.  Coach Smith is purchasing warm up shirts for his basketball team. Which store has the best price per shirt? A. Store A sells 20 shirts for $310 B. Store B sells 15 shirts for $224.85 C. Store C sells 8 shirts for $122 D. Store D sells 3 shirts for $44.75

8. 1. Michelle buys 3 shirts for $12.99 each. How much did she spend? 2. John drives 75 miles per hour for 4 hours. How far did he drive?

9. 3. Mark works for 6 hours making $8.50 an hour. How much did he earn? 4. Alicia writes a 7 page essay that has 200 words per page. How many total words are in the essay?

10.  On your index card…… 1) Put your name on the top 2) Answer the following question, “How would you use unit rate/unit price in your life?” in a complete sentence or two with at least 2 examples. 3) Rate yourself 1 to 5 on how well you understand unit rate. 1 being you need a lot of extra help, 2 being you need a little extra help, 3 being you are just okay, 4 being you understand it for the most part, 5 being you have mastered and could ace the quiz and could help others!