﻿ Pythagorean Theorem Proofs, Lesson Plans, Class Activities, Science Fair Projects & Background Information
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

### 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]

• 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]