Lesson 10: Interpreting Graphs of Proportional Relationships

Essential Question: Can we identify the unit rate from a graph of a proportional relationship?

7.RP.2d

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Grandma’s Special Chocolate Chip Cookie recipe, which yields 4 dozen cookies, calls for 3 cups of flour.

  • Create a table based upon this relationship.
  • Find the values for at least 3 additional quantities of cookies.

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T S.37 Example 1

7.1.10.Exa1


S

S.38 Example 2 (Partner Work)

7.1.10.Exa2

7.1.10.Exa2bc

Discussion

  • What quantity is measured along the horizontal axis?
  • When you plot the ordered pair (A, B), what does A represent?
  • What quantity is measured along the vertical axis?
  • When you plot the point (A, B), what does B represent?
  • What is the unit rate for this proportional relationship?
  • How is the unit rate related to the graph?

 

S S.39-41 Exercise 1-2 (Partner Work)

7.1.10.Exe1

7.1.10.Exe1a-f

7.1.10.Exe2a-c

7.1.10.Exe2d

7.1.10.Exe2e-f

 

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7.1.10.Summary

 

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S S.42-44

 

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7.1.10.Exit

 

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