For fans of the Sir Cumference series with Pi on their mind, here is the second installment in this fun look at math and language. This time the math adventure is centered around a potion that changes Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles. Perfect for parent and teachers who are looking to make math fun and accessible for everyone.
About the Author
Cindy Neuschwander is an elementary school teacher who loves teaching math. She also enjoys traveling, reading, and writing stories. She thought up Sir Cumference while visiting medieval castles in England. Cindy lives in Pleasanton, California.
Read an Excerpt
Sir Cumference and his son, Radius, sat in the shade of a tree, enjoying a delicious midday meal. Partway through the lunch, Sir Cumference grabbed his stomach and doubled over in pain.
Excerpted from "Sir Cumference and the Dragon of Pi"
Copyright © 1999 Cindy Neuschwander.
Excerpted by permission of Charlesbridge.
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