Here are some links to some really sweet Math websites and videos!
Demonstration of the Quadratic Formula Using Volume
Mrs. Dorsing's YouTube Channel - a few podcasts for various topics.
Algebra with Quadratics Screencasts - Videos for EVERY lesson in Algebra with Quadratics
Statistics Correlation Matching Game - How well do you understand "r"? Test your skills here!
Way Cool Sine Wave With Water Video