Identifying Rate of Change

Given a graph of earning for supervising children at a movie night, learners calculate the average rate of change for two intervals. They compare the two and explain the relationship found in the comparison.

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CCSS: Designed
Instructional Ideas

  • Ask the class to come up with a scenario in which the average rate of change would not be the same over different intervals
  • Lead a discussion on what it means to have a constant rate of change and a variable rate of change
Classroom Considerations

  • Individuals should know how to calculate the rate of change
Pros

  • Provides descriptions of common misunderstandings
  • Includes suggested instructional strategies based upon the levels of understanding of the concept
Cons

  • None
Common Core