Sir Cumference and the Dragon of Pi

Illustrated by Wayne Geehan
Look inside
$8.99 US
Charlesbridge
80 per carton
On sale Feb 01, 1999 | 9781570911644
Age 7-10 years
Reading Level: Lexile 390L | Fountas & Pinnell O
Sales rights: World

See Additional Formats
Join Sir Cumference for wordplay, puns, and problem solving in this entertaining, medieval math adventure story about radius and the number Pi.

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.

The second in Sir Cumference series, Sir Cumference and the Dragon of Pi makes math fun and accessible for everyone.
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.
            “Ooooh, my belly!” he wailed. “It feels like fire! Radius! Run to the castle. Find the good doctor and get me a cure.”

About

Join Sir Cumference for wordplay, puns, and problem solving in this entertaining, medieval math adventure story about radius and the number Pi.

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.

The second in Sir Cumference series, Sir Cumference and the Dragon of Pi makes math fun and accessible for everyone.

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.
            “Ooooh, my belly!” he wailed. “It feels like fire! Radius! Run to the castle. Find the good doctor and get me a cure.”