Differentiate between pentagon , hexagon , heptagon and octagon in a handy printable mini-book for every child in the classroom . learn about angles , corners and sides of each polygon
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Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/“corners”) and other attributes (e.g., having sides of equal length).
Identify shapes as two-dimensional (lying in a plane, “flat”) or three-dimensional (“solid”).