Back in the late 1990s, the Scout Report first reported on this site, which was a collection of useful mathematics resources intended to serve both students interested in college-level mathematics and their teachers....

Created by Joanna DelMonaco and Dona Cady at Middlesex Community College, this resource presents the basics of ratio and proportion as they relate to the visual arts during the Classical, Renaissance, and Modern periods....

The elementary concepts are explained, with a quick reference for other lessons that employ inversion geometry.

This geometry lesson from Illuminations aids students in the transition from using two-column proofs to paragraph-style proofs. The material helps students to understand proofs as chains of statements, and learn to think...

Created by Bruce and Katherine Cornwell, this film from 1976 includes no narration but still manages to demonstrate a number of geometric properties of a triangle, including incenter and circumcenter, through simple...