This resource contains an informative 62 slide PowerPoint on pi and Pi Day which takes place on 14th March. It is also a useful resource for Pi Approximation Day on July 22nd. Contents include The history of pi - Babylon and Egypt - Rhind Papyrus Archimedes calculations - Pythagorean Theorem Origin of pi symbol – William Jones and Leonhard Euler Pi formulas for the circumference and area of a circle Infinite nature of pi World record holders for memorisation of pi digits Piems and mnemonics for pi digits and formulas Pi Day Different ways Pi Day is celebrated How ‘hat size’ is determined by pi Albert Einstein sharing his birthday with Pi Day Pi dingbats Suggestions and ideas for ‘Pi Day’ activities The PowerPoint contains hyperlinks to - Display of the first million digits of pi - Pi rap ‘Lose Yourself In The Digits’ - Video - Math Antics - Circles, area of circle, circumference of circle, pi - Pi-Search Page - a web-site that searches the first 200 million digits of pi - Pi Domino Spiral You may also be interested in: Pi Dingbats This resource contains a pi-themed dingbat game / puzzle. It’s in PowerPoint format and there are two versions. One provides the answers as you go along, the other provides the answers at the end of the quiz. This is an ideal fun resource for Pi day which takes place on 14th March. For more inspiring educational resources visit Inspire and Educate Thinking of publishing your own resources or already an author and want to improve your resources and sales? Check out this step-by-step guide. How to Become a Successful TES Author: Step by Step Guide To be kept informed of new resources click here and follow.