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Planning a Picnic Division of a Whole Number by a Fraction: 5.NF.7b

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End of the Year Picnic There will be an end of the school year picnic. Each group has been assigned a particular food or beverage to bring. Your job is to determine how many servings your food or beverage will provide.

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Steps: Draw a picture, graphic or number line to represent your food or beverage item(s) Divide it by the given fraction and show your work on the drawing. Write a brief explanation of how the number of servings was determined. Answer the follow-up questions. Use the student check sheet along the way.

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Group 1: Watermelon There are 6 watermelons. If a serving of watermelon is 2/7 of a watermelon, how many people will these 6 watermelons serve?

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Fruit Juice There are 12 bottles of fruit juice. A serving of fruit juice is 2/9 of a bottle. How many servings are there in all?

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Ground Beef Hamburgers will be served at the picnic. It takes 2/5 lb of ground beef to make one hamburger patty. If there are 8 lbs of ground beef, how many hamburgers can be made?

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Brownies There are 6 pounds of brownies. A serving size for a brownie is 3/10 of a pound. How many servings of brownies are there?

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Closure: Patterns Think about the picnic problems you completed. (See board for reference). Do you notice any patterns to how the quotient is determined?

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