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Sir Cumference and the Dragon of Pi

Downloads: 100+
First published: 1999
Pages: 18

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About this book

The fascinating medieval arithmetic tale "Sir Cumference and the Dragon of Pi" was penned by Cindy Neuschwander and illustrated by Wayne Geehan. In this fanciful story, wordplay, and pun expert Sir Cumference is turned into a fire-breathing dragon by an enigmatic elixir. In an attempt to solve a puzzle and find the solution,

his son Radius sets out on a castle adventure. The key is to comprehend π (pi), the mystical number that is constant throughout all circles. For children ages 5 to 11, this charming book makes math approachable and enjoyable by fusing creativity with real-world problem-solving.

About the author

Cindy Neuschwander

Sir Cumference and the Dragon of Pi teaches a mathematical constant through a joke that runs the length of the book: the knight's son Radius has to work out the ratio of a circle's circumference to its diameter in order to mix an antidote and turn his father back from a dragon.

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