Lesson Plan

Exploring the Symmetry in Graphs of Quadratic Functions

Curated and Reviewed by Lesson Planet

Math is all about finding solutions and connections you didn't expect! Young mathematicians often first discover nonlinear patterns when graphing quadratic functions. The lesson begins with the vocabulary of a quadratic graph and uses the idea of symmetry to explain the quadratic pattern.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Examine the pattern of symmetry closely with an "a" value of one; as you move away from the vertex, the vertical pattern will be 1, 4, 9, etc.
  • Connect the location of the vertex to the transformations of the parent function
Classroom Considerations
  • Projection capabilities are helpful to show photos of quadratic shapes in the world
  • The ninth lesson in a 26-part series
Pros
  • A conceptual approach to graphing quadratic functions that discourages memorization
  • Handouts, keys, and a detailed teacher guide are included
  • Opener and exit ticket are provided
Cons
  • None