Instructional Video

Completing the Square

Curated and Reviewed by Lesson Planet

No unit on quadratics is complete without completing the square. The fourth of five videos in Algebra I Unit 11 first reviews perfect squares and perfect square trinomials. Viewers learn how to rewrite quadratic equations in (x - p)^2 = q form and then solve for x.

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CCSS: Adaptable
Instructional Ideas
  • Use the video as part of a review session
Classroom Considerations
  • Pupils should be familiar with the perfect square trinomial factoring pattern
  • Knowledge of solving quadratics by taking square roots from previous lessons is a prerequisite
Pros
  • Includes corrective assignments for scholars needing additional support
  • Provides answer keys for all worksheets
Cons
  • None