Lesson Plan: Geometric Sequences Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to calculate the common ratio, find next terms in a geometric sequence, and check if the sequence increases or decreases.


Students will be able to

  • understand that the ratio of two successive terms of a geometric sequence is constant and is called the common ratio,
  • identify the common ratio of a geometric sequence from its recursive formula,
  • find the first terms of a geometric sequence using the common ratio,
  • identify whether a given sequence is geometric,
  • classify a given geometric sequence as decreasing or increasing,
  • identify the graphical representation of the geometric sequence.


Students should already be familiar with

  • powers.


Students will not cover

  • geometric series.

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