Biography of Greek mathematician, Pythagoras, who lived from 569 BC to approximately 475 BC. His theory, known as the Pythagorean Theorem continues to be of interest to mathematicians and has more than 400 different proofs.

This site from ScienceWorld provides a short, informative description of many of the contributions of Pythagoras to mathematics. Links exist to some of the contributions as well as to additional information.

A study on Pythagoras and how he used geometry to explain parts of music, including harmony, proportion, and space.

This site from the Rice University includes a fill-in-the-blank lesson on the definition of circles, as Pythagoras described.

This site explains the Pythagorean theorem, giving a proof from Euclid, and gives a great interactive visual aid with a good explanation with it.

This resource investigates the Pythagorean Theorem. Includes animations, examples, proofs, and links to problems and activities.

For this unit lesson, students will learn about the Pythagorean Theorem and how it is evident in our everyday world. Students will apply the concept of the Pythagorean Theorem to the squares of a quilt. Each quilt square will be designed...

Based off of the hit television show NUMB3RS, this lesson has students discover the Pythagorean relationships of different triangle types. By the end of the lesson, students should be able to take three given side lengths and compute...

The activity teaches students about the Pythagorean theorem. The resources consists of a definition, examples, and a student activity that investigates and applies the Pythagorean theorem.

You can pick up some valuable pointers on how to apply the Pythagorean Theorem here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.

Learn a little history of Pythagoras of Samos and the relationship between numbers and their divisors.

An image of Pythagoras.

This site from ScienceWorld provides a short, informative description of many of the contributions of Pythagoras to mathematics. Links exist to some of the contributions as well as to additional information.

This University of St. Andrews site provides much information on the life of Pythagoras of Samos.

Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with the Pythagoras Theorem. [Requires Java.]

In Spanish. In this interactive activity you can learn and understand the concept of the Pythagoras theorem.

An interactive visual aid with a good explanation of the Pythagoras Theorem. In this unit five different demonstration will be given.

Students learn about the unit circle. Topics include degrees, radians, and Pythagoras' Theorem. The tutorial consists of notes and examples.

This article explains how Heron's formula is very similar to Pythagoras' Theorem.

Encyclopedia article about Pythagoras that focuses mainly on his life and influences on other mathematicians Also includes a number of pictures and links to additional information near the bottom of the page.

Biography of Greek mathematician, Pythagoras, who lived from 569 BC to approximately 475 BC. His theory, known as the Pythagorean Theorem continues to be of interest to mathematicians and has more than 400 different proofs.

A portrait of Pythagoras from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.

This site features an explanation of Greek music in ancient Greek society. Of note is the description of Pythagoras' work which was responsible for establishing much of the theory behind our music.

Discusses the influences of other cultures on ancient Greek astronomers, and the advances made by the Greeks. It highlights major astronomers and those who contributed important ideas from the 6th to the 2nd centuries BC, including...