Lesson Plan: Logarithmic Functions Mathematics • 10th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to identify, write, and evaluate a logarithmic function as an inverse of the exponential function.


Students will be able to

  • find the inverse of an exponential function using logarithms,
  • evaluate a logarithmic function at a given point,
  • identify the domain and range of logarithmic functions,
  • find the solution set to simple logarithmic equations by converting them to exponential equations,
  • solve word problems involving logarithmic functions.


Students should already be familiar with

  • the exponential function,
  • finding the inverse of a function,
  • how the domain and range of inverse functions relate to one another,
  • logarithm notation.


Students will not cover

  • graphs of logarithmic functions.

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