Sir Cumference and the Dragon of Pi Spiral-Bound | February 1, 1999

Cindy Neuschwander, Wayne Geehan (Illustrated by)

★★★★☆+ from 1,001 to 10,000 ratings

$15.19 - Free Shipping
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.
Publisher: Charlesbridge Publishing
Original Binding: Trade Paperback
Pages: 32 pages
ISBN-10: 1570911649
Item Weight: 0.4 lbs
Dimensions: 8.6 x 0.1 x 9.6 inches
Customer Reviews: 4 out of 5 stars 1,001 to 10,000 ratings
Have you met Sir Cumference? He's such a wonderful person, along with his wife, Lady Di, and son, Radius. His friends can't be beat either - King Arthur, Geo of Metry, Sym, Sir D'Grees, King Lell, Per, Countess Areana, Vertex, Sir Tangent, Sir Lionel Segment and others.

Living in Camelot under King Arthur, Sir Cumference and his buddies must work through many complications that require mathematical and logical thinking. During visits to such places as the Mountains of Obtuse, Angleland and the Isle of Immeter, people must be rescued, clues must be found and problems must be solved!

The stories are full of action and suspense that have kept my children enthralled time and time again. The author, Cindy Neuschwander, is an absolute genius in the creativity of these books! It's beyond me how the books not only have a great plot, but teach math concepts within the storyline - and don't lose any qualities of living literature in the process!

Depending on the book(s) you read, the following concepts are covered:

* Circumference
* Diameter
* Radius
* Pi
* Angles
* Lines
* Measurement
* Perimeter
* Area
* 3-D shapes
* Counting by 10's, 100's, 1,000's

Any child 1st grade and above will enjoy listening to the stories, but older children (4th grade and higher) will most likely grasp the math concepts best. I used to check the books out from the library until I almost wore my card out rechecking them! Now, I'm the proud owner of each and every one. (A CM homeschool can never have enough living literature on the bookshelves, can it?)

- Curriculum Choice
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.