The Greedy Triangle by Marilyn Burns begins with a happy and busy triangle. The triangle was very busy with many different jobs. It spent its time making music in the orchestra, catching wind for sailboats, holding up roofs and much more. The triangle's favorite thing was to slip into place when people put their hands on their hips. He could find out the latest news and tell his friends.
But one day, the triangle became tired of doing the same thing and visited the shapeshifter. The triangle thought if he had one more side and one more angle that life would be more interesting. The shapeshifter granted him his wish and the triangle became a quadrilateral. Life was wonderful with all the new things he could do. He could be a baseball diamond, a computer screen, a window or a checkerboard. The quadrilateral's favorite thing was to be the pages of a book. He learned so many things that he could share with his friends. Until one day, he becomes tired of doing the same thing and once again he visits the shapeshifter.
The story goes on as he continues to change, he adds one more side and one more angle. He is happy learning all the things he can do with his new shape. But over and over again he tires of the same job and returns to the shapeshifter. Until he has so many sides and angles he can't keep his balance. He returns to the shapeshifter and asks to be a triangle once again.
This book introduces the basic shapes and expands into the pentagon and hexagon. As it introduces the new shape it illustrates the different uses and gives children a better understanding of these terms.
This is a great story and a wonderful introduction to geometry.
MomsMaterial recommends this book for ages 4 to 10.
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Cammie Moise