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.

Concepts

pythagorean theorem, proofs

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Additional Tags

math

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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

Pros

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

Cons

• None

Common Core

8.G.B.6