1. Agenda Tuesday, Dec. 15 homework 20 p. 255 # 1 - 5, 8 - 13, 31 -33 reminder - quiz Friday correct homework Daily Scribe Multiplying fractions

2. p. 250 # 4 - 7, 9 - 11, 13 - 19 odds

5. How to Multiply Fractions: Multiply the numerators: 1 2 5 4 3 6 2 5 2 4 3 6 20 Multiply the denominators: 3 Simplify the fraction if necessary: 6 20 3 10

6. How to Multiply Positive & Negative Fractions: A negative times a negative is a positive. 1 2 5 4 3 6 20 10 3 2 5 2 4 3 6 20 A negative times a positive is a negative. 10 3 3 A positive times a negative is a negative. 5 2 4 3 6 20 10 3

7. How to Multiply Fractions & Mixed Numbers: Make mixed numbers into improper fractions. 2 5 12 4 3 1 2 5 4 3 2 4 Multiply & Simplify 5 3 1 3 9 5 1 4/5 3 Simplify if possible 5 12 4 3

9. We can model multiplying fractions with an area model. If this were a pan of brownies, how much of the pan is left? What if I wanted to give 2/3 of the 3/4 away? How much will I give away?

10. Sophia is baking brownies for the school fair. She baked the brownies in square pans and is selling them in fractional parts. One pan was 2/3 full. Mr. Lyons bought 1/2 of what was left. What fraction of the pan did Mr. Lyons buy?

11. Sophia's Great-Grampa wanted to buy 3/4 of another pan. That pan was half full. How much of a whole pan did he buy?

12. I am baking cookies for our Christmas holiday. I need to triple the batch. How many of each ingredient do I need? Huszarcsok 1 1/2 c. butter 1/4 tsp. salt 1 c. sugar 3 egg yolks 2 1/4 tsp vanilla 1/8 tsp almond extract 3 1/2 c. flour 1/2 c. jam 2/3 c. slivered almonds

13. Swedish Pepparkakor 3 1/2 c. flour 1 tsp. baking soda 1 1/2 tsp. ginger 1 1/2 tsp. cinnamon 1 tsp. cloves 1/4 tsp. cardamon 1/2 c. butter 3/4 c. sugar 1 egg 3/4 c. molasses 2 tsp. orange peel I want to double this recipe. Give the new amounts for each ingredient.

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