Lesson Plan: Geometric Mean Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find geometric means between two nonconsecutive terms of a geometric sequence.


Students will be able to

  • understand that the terms between two nonconsecutive terms in an geometric sequence are known as “geometric means,”
  • calculate 𝑛 geometric means inserted between two arbitrary numbers and solve related problems,
  • solve problems related to the number of geometric means inserted between two numbers when given sufficient information,
  • find the geometric mean of three or more terms.


Students should already be familiar with

  • geometric sequences.


Students will not cover

  • the sum of a geometric sequence,
  • arithmetic sequences,
  • arithmetic means.

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