Website
Curated OER

Bermuda Triangle

For Teachers 6th - 12th
Young scholars explore what the Bermuda triangle is and the theories as to why it is so mysterious.  In this mystery lesson students read and discuss the history and the mystery behind the Bermuda Triangle. 
Website
PBS

Pbs Learning Media: Triangles

For Students 3rd - 5th Standards
In this video segment [2:01] from Cyberchase, the CyberSquad finds that by arranging triangle tiles they are able to create a path that will allow them to cross a river of hot lava.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Centroid: Center of Gravity

For Students 9th - 10th
At this site you will find am online discussion about the centroid of a triangle. The page begins with a discussion of observations leading to the centroid of a triangle. Dr. Math explains the correct findings as well as the errors made...

Other popular searches