Introduction
to Polyhedra
Rectangular Prism: A cooperative group activity to construct perfect rectangular prisms.

Paper Nets
Print out nets and construct six paper models of polyhedra.

KaleidoTile
Learn how a tiling is built up from reflections of a single tile, reflect a triangle, and explore Euclidean and spherical symmetry groups.
KaleidoTile
Handout
A chart of the questions used by groups of students working with KaleidoTile.
KaleidoTile
Software
Download the software (free) from the Geometry Center.

Buckyballs
Links to Web sites with information on Carbon60 (buckyball), a real world example of a polyhedron.
Paper Net of a Buckyball
Print out the net and construct a model of a buckyball.
Extra Credit Buckyball Speech
Challenge students to stand and speak about buckyballs.

Crystals
Information on real world polyhedra crystalline structures.
Systems of Crystals
Information on the seven crystal systems with links to photographs of examples.

Paper Nets of Crystals
Print out nets and construct paper models of the polyhedra that are crystals.
CrystalMaker
Interactive Crystallography

HyperCard Polyhedra Animation
Use HyperCard (Macintosh) to show polyhedra in motion. Students draw polyhedra and rotate their figures.

Elephant Puzzle
Print the puzzle and challenge the students to fold the net so that the elephant parts fit together correctly.

Cube Coloring Problem
Problemsolving using manipulatives.

Another Cube Coloring Problem
Painted Cube from nrich.maths.org

Polyhedra Speech
Challenge students to stand and speak about their polyhedra models.
Journal Entry
Students describe polyhedra on the Web, using journal writing to process their learning.

Polyhedra on the Web
Links to Web sites with beautiful models of polyhedra.
Polyhedra Essay Assessment of what the students have learned about polyhedra.
