## Algebra

Geometry Manipulatives
The National Library of Virtual Manipulatives Schmoop Geometry Learn about the inner workings of isosceles triangles, what makes trapezoids tick, and why shapes are so special. Homework Help - Geometry Number Patterns Fun with Curves & Topology Symmetry and Tessellations Polyhedra Pastimes An Exploration of the Concurrency Points in a Triangle Conjectures in Geometry: An educational web site created for high school geometry students. Their list of 20 conjectures in Geometry is supported by demonstrations using the Geometers Sketchpad. Exploring Fractals: A complete fractal project Fractals- a list of links from Math Archives The Geometry Center offers activities in the following areas: Triangle Tilings and Polyhedra, Symmetry and Tiling andTetrahedral Puzzles. Geometry from the Land of the Incas - Problems, theorems, proofs, quizzes and more Geometry Help - a variety of help topics are available Illuminations Web Links: Geometry - organized by standard Java Sketchpad - Dynamic Geometry for the Internet. Check out their demo gallery, the sine waver is a really cool demo of the construction of a sine wave. Erich's Packing Center has a wealth of visual information regarding the packing of shapes within shapes. Polygon Playground- arrange designs with online movable polygons - hundreds of polygons to drag anywhere you want. Tutorials and templates for making your own tessellations - This lesson plan includes material relating tessellations to mathematics. |