Lesson Plan: Rotational Symmetry Mathematics

This lesson plan includes the objectives and prerequisites of the lesson teaching students how to find the order of rotational symmetry of a geometric figure and its angle of rotation.


Students will be able to

  • judge whether plane figures have nontrivial rotational symmetry,
  • calculate the order of rotational symmetry and angle of rotational symmetry.


Students should already be familiar with

  • rotations, reflections, translations, and dilations,
  • similarity and congruence of polygons.

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