Geometry Lesson Plan

Instructor: Tammy Galloway

Tammy teaches business courses at the post-secondary and secondary level and has a master's of business administration in finance.

In this lesson, students will explore the history and modern-day application of geometry. Students will watch a video, answer discussion prompts, take a quiz and complete an activity. An extension exercise helps students continue learning.

Learning Objectives

After this lesson, students will be able to:

  • Discuss the origin of geometry
  • Identify historical figures and their contributions to geometry
  • Explain the modern day application of geometry


60-90 minutes, plus 30 minutes for an optional extension

Curriculum Standards


Evaluate various explanations for actions or events and determine which explanation best accords with textual evidence, acknowledging where the text leaves matters uncertain.


Determine the meaning of words and phrases as they are used in a text, including analyzing how an author uses and refines the meaning of a key term over the course of a text (e.g., how Madison defines faction in Federalist No. 10).


Integrate and evaluate multiple sources of information presented in diverse formats and media (e.g., visually, quantitatively, as well as in words) in order to address a question or solve a problem.



  • Begin by asking students if they like geometry. Why or why not?
  • Allow students to share their responses and rationale.
  • Then, explain that this lesson explores the history of geometry.
  • Distribute the hard copies of the What is Geometry? lesson, then start the video and play it in its entirety.
  • Now, shoulder pair students and ask them to address the following prompts:
    • Define ''geometry'' in your own words.
    • Which country is credited with the first written record of geometry?
    • What geometrical calculations were found in Egypt?
    • Where did the Pythagorean Theorem originate?
    • Describe Euclidean geometry.
    • Explain Rene Descartes' contribution to geometry.
  • After all pairs finish, allow them to share their answers with the class.
  • Now, distribute the lesson quiz and ask students to complete independently.
  • Review the answers as a class.

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