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G6 m1-d-lesson 29-s

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  • 1. Lesson 29 NYS COMMON CORE MATHEMATICS CURRICULUM 6•1 Lesson 29:Solving Percent Problems Classwork Exploratory Challenge 1 Claim: To find 10% of a number all you need to do is move the decimal to the left once. Use at least one model to solve each problem (e.g., tape diagram, table, double number line diagram, a. Make a prediction. Do you think the claim is true or false? Explain why. b. Determine of d. Determine of grid). f. of is ? c. . of e. ? Find Find of ? g. Lesson 29: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org ? of is . Solving Percent Problems 11/19/13 S.127 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
  • 2. Lesson 29 NYS COMMON CORE MATHEMATICS CURRICULUM h. Gary read pages of a i. Micah read j. 6•1 pages book. What percent did he read? Using the solutions to the problems above, what conclusions can you make about the claim? pages of his book. If this is of the book, how many pages are in the book? Exploratory Challenge 2 Claim: If an item is already on sale and then there is another discount taken off the new price, this is the same as saving the sum of the two discounts from the original price. Use at least one model to solve each problem (e.g., tape diagram, table, double number line diagram, a. Make a prediction. Do you think the claim is true or false?Explain. b. Sam purchased grid). games for Lesson 29: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org after a discount of . What was the original price Solving Percent Problems 11/19/13 S.128 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
  • 3. NYS COMMON CORE MATHEMATICS CURRICULUM Lesson 29 6•1 c. If Sam had used a off coupon and opened a frequent shopped discount membership to save the games still have a total of ? d. Do you agree with the claim? Explain why or why not. Create a new example to help support your claim. Lesson 29: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org , would Solving Percent Problems 11/19/13 S.129 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
  • 4. Lesson 29 NYS COMMON CORE MATHEMATICS CURRICULUM 6•1 Lesson Summary Percent problems have three parts: whole, part, percent. Percentage problems can be solved using models such as ratio tables, tape diagrams, double number line diagrams, and grids. Problem Set 1. Henry has lawns mowed out of a total of 2. Marissa got an 3. Lucas read lawns. What percent of the lawns does Henry still have to mow? on her math quiz. She had of his book containing Lesson 29: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org questions right. How many questions were on the quiz? pages. What page is he going to read next? Solving Percent Problems 11/19/13 S.130 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.