C. Geometry and Spatial Sense: 1. The student describes, draws, identifies, and analyzes two- and three-dimensional shapes.: 9-12: The student...
MA.C.1.4.1 Add Website - Add Activity
uses properties and relationships of geometric shapes to construct formal and informal proofs.
Geometry Through Art
This is a very nice site for exploring geometric concepts. It includes skecthes for The Geometer's Sketchpad that can be downloaded.