Stone Age Geometry
TrianglesBook - 2014
"Leo teaches his cat Pallas all about triangles by applying his knowledge of geometry to their Stone Age world. Entertaining illustrations and stories provide a fun introduction to math concepts, explaining that different shapes created by the meeting of three lines are given different names. Information boxes accompany each story to explore real applications of triangles in the natural and designed world."--
Publisher: St. Catharines, Ontario ; New York : Crabtree Publishing Company, 
Characteristics: 32 pages cm.