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Unit 3 - Lesson 7 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 3
Lesson 7: Generalize Fraction Multiplication
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 7: Generalize Fraction Multiplication
CC BY 2021 Illustrative Mathematics
Lesson: Generalize Fraction Multiplication

Notice and Wonder: Two Diagrams (Warm Up)

1.

What do you notice?

2.

What do you wonder?

Equations and Area

3.

Find the value of the product. Draw an area diagram if it is helpful.

4.

Find the value of the product. Draw an area diagram if it is helpful.


5.

Find the value of the product. Draw an area diagram if it is helpful.


6.

How did you decide whether or not to draw a diagram? How did the diagrams influence how you found the products?


7.

Diego drew this diagram for the product 9/11 x 5/8. How can the diagram help Diego find the value of 9/11 x 5/8 ?

Multiply Fractions

8.

Find the value that makes the equation true. Draw a diagram, if it is helpful.

9.

Find the value that makes the equation true. Draw a diagram, if it is helpful.

10.

Find the value that makes the equation true. Draw a diagram, if it is helpful.

11.

Find the value that makes the equation true. Draw a diagram, if it is helpful.

12.

Find the value that makes the equation true. Draw a diagram, if it is helpful.

Cool Down: Multiply Fractions
13.

Find the value that makes the equation true.

14.