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Solving Percent Problems Using Models

Practice division and percent calculations using models like grids and diagrams. Differentiate solving methods for various problems. Calculate discounts and percentages in real-life scenarios.

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Solving Percent Problems Using Models

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  1. Lesson 27Solving Percent Problems Module 1

  2. DO NOW • Complete the following Division problems. • 300 ÷ 3 = 300 ÷ 5 = • 60 ÷ 3 =

  3. ClassworkExample 1 • Solve the following three problems. • Write the words PERCENT, WHOLE, PART under each problem to show which piece you were solving for. 60% of 300=_______ 60% of_______=30060% out of 300=_______ ________________________ ____________ How did your solving method differ with each problem?

  4. Exercise 1 • Use models, such as 10x10 grids, ratio tables, tape diagrams or double number line diagrams, to solve the following situation. • Priya is doing her back to school shopping. Calculate all of the missing values in the table below, rounding to the nearest penny, and calculate the total amount Priya will spend on her outfit after she received the indicated discounts

  5. 1. 25% discount on shirt

  6. 2. 30 % discount on pants

  7. 3. 15 % discount on shoes

  8. 4. 10% discount on necklace

  9. 5. A 20 % discount on sweater

  10. Problem Set 1. Mr. Yoshi has papers. He graded 60 papers, and he had a student grade the rest. What percent of the papers did each person grade?

  11. 2. Mrs. Bennett has graded 20% of her 150 students’ papers. How many papers does she still need to finish?

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