Curated OER
Modeling Permutation Group
Students explore the concept of transformations. In this transformations lesson plan, students construct an equilateral triangle and a square with a circumscribed circle. Students reflect and rotate their constructions.
Other
Paper Mosaics
A unique combination of origami paper folding and mathematical tessellations create these stunning works of art. Definitely not for the beginning paper folder to try! Site includes printable patterns.
Rice University
Rice University: Cynthia Lanius: Hidden Polygon Activity
On this site students are instructed to locate different types of polygons on triangle grid paper. This page can be printed so that students can actually draw them. It also gives a definitions link for each polygon.