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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
http://www.mste.uiuc.edu/links/ladonna/goal9.html

Great activities to help student usderstand the concepts of geometry, congruency, and fractals.


The Webdragon Lair
http://www.webdragon.com

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).


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