Proofs Of The Pythagorean Theorem?

Even U.S. President James Garfield had his own proof of the Pythagorean Theorem! Pupils consider three different attempts at a geometric proof of the Pythagorean Theorem. They then select the best proof and write paragraphs detailing their reasoning.

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CCSS: Designed
Instructional Ideas

  • Have students select their choice of proof and then partner up to discuss their choice
  • Prepare cutouts and have learners assemble the proof
Classroom Considerations

  • Class members must already be familiar with the Pythagorean Theorem, as this is not an introductory activity

  • Resource includes rubric and examples of work
  • Activity provides an opportunity to incorporate writing in the math classroom

  • None
Common Core