Given an equilateral triangle, students are asked to explore its symmetries using rigid transformations of the plane. Aligns with G-CO.B.

Enjoy constructions created by rotations, reflections and translations. [Requires Java.]

This task has young scholars link their intuitive notions of symmetries of a triangle with statements proving that said triangle is unmoved by applying certain rigid transformations. The mechanism through which students do this is via...

Reflections of Latin American history on imperialism, religion, human rights and social justice. Gives a historical perspective to current times (1996). Text

Photovoice is a technique that has participants take photos in response to a prompt, reflect on the meaning behind three of their photos, and share the photos to find common themes. It is an ideal strategy for all forms of classrooms,...

An in-depth discussion on reflection of light can be found here. Among the topics discussed include are the difference between specular and diffuse reflection, concave and convex mirrors, facets, total internal reflection, and much more....

A physics tutorial on designing an auditorium and solving the problem of sound reflection. Illustrated.

This lesson plan is designed to assist students making self-text-world connections through multimedia presentations. This plan includes a student guide for writing the reflection scripts as well as a detailed instructional plan.