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Sir Cumference and the Isle of Immeter
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Sir Cumference and the Isle of Immeter

About the Book

Join Sir Cumference and the gang for more wordplay, puns, and problem solving in the clever math adventure that introduces readers to the concepts of area and perimeters. When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter and area of a circle to unlock the island's secret. Fans will love cracking the code with Per and the gang in this new installment of the Sir Cumference series that makes math fun and accessible for all.
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Sir Cumference and the Isle of Immeter

Young Per sat with her uncle and aunt, Sir Cumference and Lady Di of Ameter. Her cousin Radius was teaching her the game of Inners and Edges.
            “A player makes a shape out of tiles, calling out the number of squares used,” explained Radius. “The first person to correctly count all the outside edges keeps those pieces.”
            Sir Cumference arranged his tiles into a square. “Inners are nine,” he said.
            “Twelve edges,” counted Per, gathering up her winnings.

Sir Cumference Series

Sir Cumference Speaks Volumes
Sir Cumference and the 100 PerCent Goose Chase
Sir Cumference Gets Decima's Point
Sir Cumference and the Fracton Faire
Sir Cumference and the Roundabout Battle
Sir Cumference Classroom Activities
Sir Cumference and the Off-the-Charts Dessert
Sir Cumference and the Viking's Map
Sir Cumference and All the King's Tens
Sir Cumference and the Isle of Immeter
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About the Author

Cindy Neuschwander
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 elementary levels. As a mathematics education specialist, Cindy sought ways to make math fun, interesting, and comprehensible to her students. In 1992, while living in England, Cindy began working on her first book with this goal in mind. Sir Cumference and the First Round Table took five years to reach publication, but it remains a very popular book for its presentation of math concepts as well as for its amusing and exciting story. More by Cindy Neuschwander
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About the Author

Wayne Geehan
Wayne Geehan, a graduate of the Art Institute of Boston, has been illustrating books, board games, and jigsaw puzzles for over 20 years. He is the illustrator of Multiplying Menace and Cut Down to Size at High Noon, as well as the Sir Cumference series. When he isn't painting in his Massachusetts studio, he enjoys being with his family, reading, and researching his family's genealogy. More by Wayne Geehan
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