This site includes materials on a variety of topics relating to general number theory. Each link provides a short example that would provide helpful supplemental materials in mathematics education. The lessons vary from...

This geometry lesson introduces the Power of Points theorem. While it is often taught in three parts (the Chord-Chord Power theorem, the Secant-Secant Power theorem, and the Tangent-secant Power theorem), this lesson...

This course involves students taking turn giving lectures on geometry topics. Subjects such as Gauss maps, minimal surfaces and manifolds and geodesics were covered in the lectures. Course materials include lecture notes...