Lesson Plan
Curated OER

Poly-Mania

For Teachers 9th - 12th
This hands-on instructional activity takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable...
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polyhedra Classification

For Students 9th - 10th Standards
This question and answer site provides a lot of basic information about polyhedra. The five regular polyhedra, "The Platonic Solids," are described.