C. Geometry and Spatial Sense: 2. The student visualizes and illustrates ways in which shapes can be combined, subdivided, and changed.: 9-12: The student...
MA.C.2.4.1 Add Website - Add Activity
understands geometric concepts such as perpendicularity, parallelism, tangency, congruency, similarity, reflections, symmetry, and transformations including flips, slides, turns, enlargements, rotations, and fractals.
Proposed Illinois State Dept. of Ed./Math Forum
Great activities to help student usderstand the concepts of geometry, congruency, and fractals.
The Webdragon Lair
A site with many examples of artwork (many very similar to the ones students like to draw), fractal drawings, 3-D and 4-D geometric drawings.
Activity: Geometry Fun
MA.C.2.4.2 Add Website - Add Activity
analyzes and applies geometric relationships involving planar cross-sections (the intersection of a plane and a three-dimensional figure).