# 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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S.37 Example 1

S.38 Example 2 (Partner Work)

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.39-41 Exercise 1-2 (Partner Work)

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S.42-44

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