Lesson Plan

Advanced Factoring Strategies for Quadratic Expressions (part 2)

Curated and Reviewed by Lesson Planet

What do you do with a difficult-to-factor quadratic expression? This lesson provides the answer. Pupils learn a grouping strategy to help factor trinomials. When guess and check seems too tedious, this method is the "works every time" solution. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Begin with a graphic organizer displaying the different methods of factoring to this point; emphasize that strategies may be different, but the purpose is the same
Classroom Considerations
  • Class members should be proficient in factoring all types of quadratic expressions
  • Factoring is difficult for pupils that do not know their factors; provide a multiplication table to those that need it
  • The fourth installment of a 26-part series
Pros
  • Handouts, keys, and a detailed teacher guide are included
  • An opener and exit ticket are included
Cons
  • While this method works efficiently, it doesn't have the same concrete connection to the trinomial as the guess-and-check method