Lesson Plan: Absolute Value Equations Mathematics • 9th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve equations involving the absolute value.


Students will be able to

  • find the solution set of equations which involve the absolute value of an expression in one variable,
  • find the solution set of equations which involve more than one absolute value expression (in the same variable),
  • sketch graphs in order to solve absolute value equations.


Students should already be familiar with

  • solving linear equations.


Students will not cover

  • absolute value inequalities,
  • the absolute value of expression in more than one variable,
  • piecewise-defined functions.

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