Sir Cumference and the Viking's Map
X and Y mark the spot.
The seventh title in the popular Sir Cumference series introduces the mathematical concept of coordinate geometry in a unique and memorable way.
While riding through the forests of Angleland, cousins Per and Radius realize they are lost and are desperate for a map to guide them home. Soon they come across a mysterious house in the hills. Inside they find a map to a treasure belonging to Xaxon Yellowbearyd, the fiercest Viking warrior of his time. Per and Radius must decode the strange numbered grid on the map, while trying to steer clear of the pack of bungling bandits who are on their tail. Will they find the treasure in time?
Cindy Neuschwander delivers yet another intriguing math adventure featuring the well-known characters of Angleland. Readers will enjoy following Per and Radius in their quest while learning how coordinate geometry relates to everyday life. Wayne Geehan’s beautiful illustrations offer a bit of comic relief, while also clearly demonstrating the concepts explored in the story.
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Author & Illustrator Bios:Cindy Neuschwander, author
Cindy Neuschwander is a native Californian, but she has lived in many places, including Germany, England, Austria, and Hawaii. 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. It has been followed by further adventures of Sir Cumference and his family. In her spare time, when she isn't writing or dreaming up new math adventures, Cindy enjoys activities with her family.
Read more about Cindy.
Wayne Geehan, illustrator
Wayne Geehan, a graduate of the Art Institute of Boston, has been illustrating books, board games, and jigsaw puzzles for over 20 years. When he isn't painting in his Massachusetts studio, he enjoys being with his family, reading, and researching his family's genealogy.
Read more about Wayne.
In the seventh addition to the Sir Cumference series, cousins Per and Radius are lost in the medieval countryside when they discover a map decorated with two hand "axes" featuring X and Y coordinates. The map promises to lead them to treasure belonging to Viking Xaxon Yellowbearyd. As Per and Radius follow the map on horseback, they discover additional X and Y coordinate clues left by Xaxon, which readers can help them locate on the large map. Outwitting a gang of bandits, Per and Radius follow the last coordinates to Xaxon's ghost, who gives them the treasure (in the form of more maps). Neuschwander does an admirable job of injecting humor (namely, some groan-inducing puns) and action (bandits! ghosts!) into this explanation of coordinates and axes, and Geehan's thickly worked paintings contribute some drama of their own.
ISBN: 978-1-60734-561-9 EPUB
ISBN: 978-1-60734-083-6 PDF
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Page count: 32
8 1/2 x 9 1/2
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The Sir Cumference Math Adventure series