Lesson Plan

Pythagorean Theorem, Revisited

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Transform your pupils into mathematicians as they learn to prove the popular Pythagorean Theorem. The 16th lesson plan in the series of 25 continues by teaching learners how to develop a proof. It shows how to prove the Pythagorean Theorem through similar right triangle. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Have individuals research additional methods of proving the Pythagorean Theorem
  • For those that struggle with abstract representations, assign actual number values to the lengths of the sides of the triangles
Classroom Considerations
  • Expects previous experience with the Pythagorean Theorem
  • Shows how to create a simple note card representation of the similar right triangles
  • Includes several ideas for scaffolding to differentiate within your class
  • None
Common Core