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Chapter 3 Ratios and Rates

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Day….. 1.Expressing ratios in all formsExpressing ratios in all forms 2.Equivalent ratiosEquivalent ratios 3.Creating and interpreting ratio tables to represent and solve problems involving equivalent ratios.Creating and interpreting ratio tables to represent and solve problems involving equivalent ratios. 4.Exploring ratios using modelsExploring ratios using models 5.Creating and simplifying equivalent ratiosCreating and simplifying equivalent ratios

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Day 1

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Bell Work During one year Mrs. Laymon sent 484 text messages. This number was 1/3 the number of text messages her son sent during the same year. How Many text message did her son send? Draw a diagram and justify your response. If he sent the same number of messages each month, how many messages did he send in one month?

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I Can….

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Vocabulary Nails Used51015 Shelves Hung123

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Introducing Ratios

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Ratio Scavenger Hunt 1.Write your exit ticket. 2.Pack up everything but a pencil. 3.When told, place your backpack or other belongings in your chair

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Wrap it Up Review Questions Exit Tickets

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Day 2

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Bell Work A recipe requires a ratio of 2 cups of flour to 3 cups of water. How much water will you need if you have 12 cups of flour? The ratio of Tennessee representatives to total representatives in the U.S Congress is 3 to 145. If the U.S. Congress has 435 representatives, how many represent Tennessee?

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Homework Check

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Vocabulary Nails Used51015 Shelves Hung123

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I Can…. determine if two ratios are equivalent.

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Equivalent Ratios Essential Understanding: To create equivalent ratios, multiply or divide each quantity by the same number. To determine if two ratios are equivalent, first write the ratios in fraction form. Then find their cross products by multiplying the numerator of one ratio by the denominator of the other product. If the cross products are equivalent then the ratios are equivalent.

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Watch This equivalent-ratios equivalent-ratios ratios-using-common-factors ratios-using-common-factors

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Practice

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Wrap it Up Review Questions Exit Tickets

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Day 3

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Bell Work The ratio of walkers to bikers on a trail is about 10 to 6. If there are 20 walkers, about how many bikers would there be? Draw a diagram and justify your response.

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Homework Check

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Vocabulary Nails Used51015 Shelves Hung123

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I Can…. create and use ratio tables to represent and solve problems involving equivalent ratios.

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Ratio Tables Essential Understanding: Ratio tables can be used to find equivalent ratios. Remember equivalent ratios express the same relationship between two quantities. Example: Ratio of eggs to servings in a recipe for cake Servings Eggs

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Watch This ratio-problems-using-tables-and- multiplication ratio-problems-using-tables-and- multiplication missing-values-in-ratio-problems-using-a-table missing-values-in-ratio-problems-using-a-table

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Practice

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Wrap it Up Review Questions Exit Tickets

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Day 4

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Bell Work The table below shows how students in two classes arrive at school most mornings. Based on the results in the table, how many how many can be expected to take the bus if there are 250 students in the school? MethodNumber of Students Bus14 Walk18 Bike10 Car8

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I Can…. explore ratios using models.

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Vocabulary Nails Used51015 Shelves Hung123

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Homework Check

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Lego Creation Station Clear your desk

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Wrap it Up Review Questions Exit Tickets

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Day 5

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Bell Work Packs of gum are on sale this week 5 for $4. If Mrs. E wanted to buy gum for the class how much would it cost to buy each student a pack? Create a ratio table to find the price for 10, 15, 20, and 25 packs. # of Packs Price$4 Wow! Thats a lot of money for gum, when you have 90 students! Mrs. E decides to buy every student one piece of gum instead. For a total of 90 pieces. Each pack had 5 pieces. How many packs did she buy in all?

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Homework Check

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Vocabulary Nails Used51015 Shelves Hung123

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I Can…. Relate ratios and rates to the multiplication and division of fractions. Look at my answer to check that I answered what was asked and see if my answer makes sense.

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Lets Review Please Take out your Study Guide

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p O p Quiz Take out a pencil and a calculator Clear everything else from your desk

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Wrap it Up Review Questions Quiz

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Ratio Bingo

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