Symmetry Lesson Plan

Instructor: Joanne Abramson

Joanne has taught middle school and high school science for more than ten years and has a master's degree in education.

This lesson plan will help you introduce middle school students to the concept of symmetry. A short video and several hands-on activities help students visualize reflection symmetry, rotational symmetry and point symmetry.

Learning Objectives:

By the end of this lesson, students will be able to:

  • name and recognize the three different types of symmetry: reflection, rotational, and point
  • identify a shape's line of symmetry
  • identify a shape's order of rotation
  • create an image with point symmetry using graph paper


1-1.5 hours


  • Copies of the quiz that accompanies the video lesson
  • Construction paper with various polygons printed on it, one for each student
    • Shapes should include an equilateral triangle, isosceles triangle, scalene triangle, square, rectangle, parallelogram, rhombus, pentagon, and hexagon
  • 8.5 x 11 inch sheets of graph paper, folded or marked to show the four quadrants
  • 8.5 x 11 inch sheets of white paper
  • Scissors
  • Pencils

Curriculum Standards


Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them.


Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.

Key Terms

  • Symmetry
  • Asymmetric
  • Line symmetry
  • Line of symmetry
  • Rotational symmetry
  • Order
  • Point symmetry


  • Watch the video What is Symmetry in Math? - Definition & Concept. Have students take notes on important vocabulary terms, pausing as necessary to answer questions and clarity concepts.
  • After the video, review the vocabulary terms with the class.
  • Hand out copies of the quiz that accompanies the video. Have students work in pairs to complete the quiz.

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