內(nèi)容簡介:Description of this Book A triangle, dissatisfied with its shape, goes to a shapeshifter to be changed to a quadrilateral. The shape changes to a pentagon, then a hexagon, a heptagon, and so on, finally learning that being a triangle is best after all. Used in Math By All Means: Geometry, Grades 3-4 and Math and Literature, Book Two.
作者簡介:MARILYN BURNS is a renowned math specialist and has been teaching for more than thirty years. She is the creator of Math Solutions and the author of numerous books and articles.