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Math Links & Resources: Polyhedra

## Polyhedra

1. Crystals - Students studying polyhedra enjoy seeing the structures as they occur in the real world. Students can access links to photographs of beautiful crystals. Paper models of crystals can be made by printing out nets of crystals and constructing the models.
2. Introduction to Polyhedra
3. Pavilion of Polyhedra by George W. Hart with more links to sites on Polyhedra
4. Polyhedra by Ha Le
5. Polyhedra Gallery
6. Polyhedra in the Classroom This unit by Suzanne Alejandre introduces the concepts of surface area and volume while focusing on the importance of measurement. Students calculate the surface area of a rectangular prism; name the characteristics (number of edges, faces, vertices, and the shape of the face) of 6 specific polyhedra (cube, tetrahedron, octahedron, dodecahedron, icosahedron, and cuboctahedron); demonstrate their understanding of the characteristics of polyhedra; and explore polyhedra in the real world through crystalline structures and 'buckyballs'. All objectives are coordinated with the NCTM Standards.
7. Polyhedral Solids
8. A Teacher's Guide to Building the Icosahedron
9. Tom Getty's - Polyhedrons
10. Virtual Polyhedra - A collection of thousands of virtual reality polyhedra for you to explore.

Nancy Powell is a Web Mentor for the Teachers Network and the Lead Teacher of the Mathematics Department at Bloomington High School in Bloomington, IL