Lesson Plan

Quadratic Equations — What We Know

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This Quadratic Equations — What We Know lesson plan also includes:

Everything you could possibly want to know about quadratic equations, all in one resource. Instructors demonstrate how to translate between different forms of quadratics (equation, table of values, graph, verbal description) and finding key features. Learners then complete the same process on their own or in groups for a set of similar problems.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use the resource as a review activity before a unit test
Classroom Considerations
  • Last few problems involve solving quadratic equations with the quadratic formula or by completing the square
  • Note that the resource uses the phrase what we know for intercepts, roots, concavity, etc.; suggest replacing with key features, which is the phrase used in the Common Core
Pros
  • Teacher guide contains answers to all problems, including worked out solutions
  • Includes printable worksheets
Cons
  • Graphs are a bit blurry
  • Does not distinguish between quadratic equations (e.g., x^2 – 4 = 0) and quadratic functions (e.g., f(x) = x^2 – 4)