1. Warm-Up (9/5) Please pick up a warm-up sheet from the front of the room and a book from the back of the room. Have out your homework You are going to do two things on the warm up: 1)Using your book define – POLYGON 2)Using that definition answer question #1

2. 7.2 D Unit Rates and Ratios Ratio – a comparison of two things EX: I run 4 days out of the week. 4 days 7 days

3. Rate - A comparison of two things with different units EX: If you use 3 gallons of gas to drive 63 miles, your rate is 3 gallons: 63 miles -or- 3 gal 63 miles

4. Unit Rate - Rate that compares a quantity to 1  “Per” means 1 EX: 63 miles/3 gallons = * Read questions carefully to know what you’re comparing 21 1 Miles gallons

5. How to set up a reading question: Start with unit Words: Miles Gallon Next plug in given information (numbers): 400mi 12 gal Last what are we looking for?: X mi 1Gal

6. Mickey is baking a layer cake for the school bake sale. Her recipe calls for 3 cups of flour to make 2 layers. How many cups of flour will Mickey use per cake layer? Cups of flour Cake layers So3 2 =

7. Dividing Decimals “Kick the ball to the wall, do the same in the hall and throw it on the roof.” 1) 1.9 64.6 2) 0.16 24