Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.
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Cindy lives in California with her husband and two sons. 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.
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Most Helpful Customer Reviews
7 of 7 people found the following review helpful:
5.0 out of 5 stars
Fun escapades teach geometry painlessly!,
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Amazon Verified Purchase(What's this?)
This review is from: Sir Cumference and the Sword in the Cone: A Math Adventure (Paperback)
Some years ago, we stumbled upon these books at the library. They were an instant hit - every single one in the Sir Cumference series! We check out lots of books but this one the children remembered. In fact, we hadn't checked these out for a couple of years when one son started a new geometry section in math and asked me to get these again so he could review! My preschooler thinks of these as fun stories and enjoys the illustrations while the older crew is making the connections to mathematical concepts they are learning. For example, one child always keeps diameter and radius straight because of the book characters (Radius is the little guy!). I highly recommend this series as enjoyable literature that will help your children remember their geometry. The books also have an object or character (jester, seagull, rat, cat, etc.) that appears on most pages which is an extra bit of fun to look for. I love the rich colors and oil painting technique too (I may be wrong about the oil painting but that's the feel of it). I decided these belong in our home library and was especially pleased that Amazon was running its buy 3 get 1 free promotion just then.
4 of 4 people found the following review helpful:
5.0 out of 5 stars
sir cumference series,
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This review is from: Sir Cumference and the Sword in the Cone: A Math Adventure (Paperback)
I purchased the whole set for homeschooling purposes and it really drives home the concepts in a fun way with the kids not realizing they are learning geometry. This is as fun as Cyberchase in a book format. Highly recommend these!
2 of 2 people found the following review helpful:
5.0 out of 5 stars
Sir Cumference is Great,
Amazon Verified Purchase(What's this?)
This review is from: Sir Cumference and the Sword in the Cone: A Math Adventure (Paperback)
This is a great book. It has lots of mathematical elements while also being fun for middle school students. I, as a math teacher, enjoyed reading this book to my students. The math terms that tie the book together are very creative in the way they are presented. If you are reading this book to a class of middle school students, it will take from ten to fifteen minutes to read completely if the class is attentive. The math described in the book can help students to remember those terms later.
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