Books
Kids
Popular
Authors & Events
Recommendations
Audio
Look Inside
Feb 01, 1999 | ISBN 9781570911644 | Middle Grade (8-12) Buy
Jan 07, 2013 | ISBN 9781607345565 | Middle Grade (8-12) Buy
Buy from Other Retailers:
Feb 01, 1999 | ISBN 9781570911644 | Middle Grade (8-12)
Jan 07, 2013 | ISBN 9781607345565 | Middle Grade (8-12)
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.
Cindy Neuschwander is a native Californian born in San Diego. She received a BA in international studies from Willamette University and an MA in education from Stanford University. She has been teaching since 1975, both at the high school and… More about Cindy Neuschwander
Visit other sites in the Penguin Random House Network
Stay in Touch
By clicking Sign Up, I acknowledge that I have read and agree to Penguin Random House's Privacy Policy and Terms of Use.
Start earning points for buying books! Just for joining you’ll get personalized recommendations on your dashboard daily and features only for members.
