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To Babysit or Not to Babysit?

This To Babysit or Not to Babysit? activity & project also includes:

Would you work for a penny today? Use this activity to highlight the pattern of increase in an exponential function. Scholars compare two options of being paid: one linear and one exponential. Depending on the number of days worked, they must determine which model would earn them the most money.

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CCSS: Designed
Concepts
linear modeling, exponential models, non-linear functions, math modeling
More Less
Instructional Ideas
  • If pupils struggle with writing the exponential equation, ask them to start with a table of values
  • Use as an introduction to exponential equations; highlight the differences/similarities between the linear and exponential equations
Classroom Considerations
  • Consider allowing pupils to use graphing calculators 
Pros
  • Uses a graphic organizer to illustrate the multiple representations possible
  • Provides an activity handout and answer key
Cons
  • None