Leo teaches his cat Pallas all about lines by applying his knowledge of geometry to their Stone Age world. Funny illustrations and stories provide a humorous introduction to math concepts. Leo explains the significance of points and how many points together make up lines and segments. Information boxes accompany each story to explore real applications of lines in the natural and designed world.

Lines 2014, Crabtree Publishing Company

ISBN-13: 9780778705154

Trade paperback

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Lines 2014, Crabtree Publishing Company

ISBN-13: 9780778705093

Hardcover

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