An Application of Linear Equations

Just how far will the Facebook post go? Lead a discussion on how to manipulate the sum of a geometric series to figure out a formula to find the sum at any step. The plan contains an alternative to the discussion with more accessible linear equation applications. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Split the class into two groups, one to work through the discussion and the other to utilize the problems
  • Find other geometric series that can be used to find finite sums
Classroom Considerations
  • Adjust the problem set based on whether or not the individuals learned the method to find the finite sum of a geometric series
  • The ninth in a series of 33
Pros
  • Resource includes suggestions for scaffolding
  • Answer key provides the steps needed to arrive at the solution
Cons
  • None
Common Core