Pythagorean Theorem Project for Kids - how to prove the Pythagorean Theorem using geometry

Pythagorean Theorem Project

You can prove the Pythagorean Theorem for yourself, using the proof described on the Pythagoras page. Just get a square piece of paper, and draw the lines on it that you see in the third drawing (the drawing of a square). Draw the diagonal lines as in the second drawing, and then cut the pieces up and rearrange them as in the third drawing. Or you can just print the page and cut up the drawings after you have printed them.

Okay, now that you've done that, check out Archimedes' proof of the formula for the circumference of a circle.

Main page on Pythagoras


To find out more about Pythagoras, check out these books from Amazon.com or from your library:

What's Your Angle, Pythagoras? A Math Adventure, by Julie Ellis and Phyllis Hornung (2004). For middle schoolers.

Pythagoras and the Pythagoreans: A Brief History, by Charles Kahn (2001).

History of Greek Mathematics: From Aristarchus to Diophantus, by Thomas L. Heath (1921, reprinted 1981). A lot of Euclid, but also describes who the other major Greek mathematicians were and what they did.

Episodes from the Early History of Mathematics, by Asger Aaboe (1997).

Other mathematicians:
Aristotle
Anaxagoras
Euclid
Thales
and Aristarchus

.

Main Greek mathematics page
Main Greek science page
Main Greeks page


by Professor K.E. Carr, Portland State University
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