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After many trips to the shapeshifter, the triangle learns that being a triangle is best after all.
This Brainy Day® book, about a triangle in search of a new shape, is used in Math and Literature, Grades 2–3; Math and Literature, Grades 6–8; and Math By All Means: Geometry, Grades 3–4. Marilyn Burns
Teaching The Greedy Triangleby Lynn Sherman
