PBS
Pbs Learning Media: Cyberchase: Chess Wager
Harry and his friend make a wager on a game of chess and discuss the concept of exponential growth in this short Cyberchase video. [3:26]
Math Medics
S.o.s. Math: Calculus
This lesson has links to the various topics dealing with calculus. The student just needs to find the topic then click to go to it.