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    Pythagorean Theorem
    Proofs, Lesson Plans, Class Activities, Science Fair Projects & Background Information
    For Elementary, Middle and High School Students & Teachers







    Pythagorean Theorem Resources

      Pythagorean Theorem definition

      If c is the length of the hypotenuse of a right-angled triangle and a and b are the lengths of the other two sides then:

      or

      Source: Wikipedia; License: GNU, CC Attribution-Share Alike 3.0 Unported

      Background Information

    • Pythagorean Theorem - about.com [View Resource]
    • Demonstrate the Pythagorean Theorem - NOVA / PBS [View Resource]
    • Pythagorean theorem - Wikipedia [View Resource]
    • Pythagorean Theorem - MathWorld [View Resource]
    • An Interactive Proof of Pythagoras' theorem [View Resource]
    • Pythagoras of Samos Biography - MacTutor [View Resource]
    • Pythagoras - Stanford Encyclopedia of Philosophy [View Resource]
    • Triangle Equations Formulas Calculator [View Resource]

      K-12 Lesson Plans, Activities and Science Fair Projects

    • Pythagorean Theorem and its many proofs [View Resource]
    • Figure out the Pythagorean Theorem [View Resource]
    • Calculate the unknown side of a right triangle, given the lengths of the other two sides [View Resource]
    • The Pythagorean Theorem Lesson Plans [View Resource]
    • Picking Pythagoras [View Resource]
    • Pythagorean Theorem Lesson Plan [View Resource]
    • Pythagorean theorem lesson plan with adaptations for those with special needs [View Resource]
    • Activity for Discovering (or reinforcing) the Pythagorean Theorem [View Resource]
    • Proving the Pythagorean Theorem (Grade Levels: 6-9) [View Resource]
    • Prove Pythagorean theorem by using common items such as a fan and a skateboard [View Resource]
    • Pythagorean Proof Based on the Principles of Scaling [View Resource]
    • Pythagorean Theorem Worksheet [View Resource]
    • The Converse of the Pythagorean Theorem [View Resource]
    • Pythagorean Theorem: Proof and Applications [View Resource]
    • Pythagorean Theorem Worksheet [View Resource]
    • Pythagorean Theorem and distance formula [View Resource]

      Advanced Articles and Studies

    • New Light on Plimpton 322: The Babylonian Method of Generating Pythagorean Triples [View Resource]
    • Dijkstra's generalization of the theorem of Pythagoras [View Resource]
    • Note on an n-dimensional Pythagorean theorem [View Resource]
    • The Pythagorean proposition: demonstrations and the four kinds of proofs [View Resource]
    • Pythagoras's theorem in Babylonian mathematics [View Resource]
    • Conceptual Use of the Pythagorean Theorem by Ancient Greeks to Estimate the Distance From the Earth to the Sun [View Resource]



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    Last updated: June 2013
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