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: Using Data Clusters to Find Hacker
The CyberSquad searches for Hacker's castle based on a survey of where town residents have last seen him in this video from Cyberchase.
University of Illinois
University of Illinois: Rollin' Rollin' Rollin'
This resource is the beginning of a series of pages that demonstrates the diffference between the mean and median of a group of numbers. Uses bar graphs to display the data.