Annenberg Foundation
Geometry 3D Shapes: Euler's Theorem
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
PBS
Pbs Learning Media: Arrangement 2
In this video segment from Cyberchase, Matt tries for a second time to arrange tables and chairs to accommodate 20 workers.