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Lesson Objectives: I can…

Module 2 – Lessons 3 & 4 Lesson Topic: Interpreting and Computing Division of a Fraction by a Fraction – More Models. Lesson Objectives: I can… Use fraction bars and area models to show the division of fractions by fractions with common denominators

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Lesson Objectives: I can…

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  1. Module 2 – Lessons 3 & 4Lesson Topic: Interpreting and Computing Division of a Fraction by a Fraction – More Models Lesson Objectives: I can… Use fraction bars and area models to show the division of fractions by fractions with common denominators Make connections to the multiplication of fractions. I can understand that to get the quotient when dividing fractions, I must ask “how many groups of the divisor are in the dividend?”.

  2. Opening Exercises 1. Draw a model to represent 12 ÷ 3 2. Write at least 3 equivalent fractions for the fraction below 2/3

  3. Example 1: What is 8/9 ÷ 2/9? Take a moment to use what you know about division to create a model to represent this division problem.

  4. Example 2: Molly purchases 1 3/8 cups of strawberries. This can also be represented as 11/8. She eats 2/8 cups per serving. How many servings did Molly purchase?Create a model to find the answer.

  5. Example 3: 3/4 ÷ 2/3 What is this question asking? Why is this question more difficult to model than the previous questions? How do we solve this problem?

  6. Independent Exercise 1: Rewrite the division problem and draw a model to support your answer. 3/4 ÷ 1/4

  7. Independent Exercise 2: Rewrite the division problem and draw a model to support your answer. 9/4 ÷ 3/4

  8. Independent Exercise 3: Solve the following problem with a model and explain your answer 6/2 ÷ 3/4

  9. Independent Exercise 4: Solve the following problem with a model and explain your answer 3/5 ÷ 1/4

  10. Closing What key ideas do you need to know in order to be able to divide fractions by fractions with the same denominator? Fractions with different denominators?

  11. Evaluate your learning: 1 2 3 4 How will you “Sharpen your Saw?”

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