Maths TV has some fascinating Flash movies dealing with maths problems. It is deal for the IWB or for students to work through on their own.
http://www.actionmath.com/index.html
The maths problems are posed; then students follow along as a virtual instructor works through the solution. Each step-by-step solution is followed by an interactive word problem similar to the one in the video, and students take a turn at completing the solution. The practice area comes equipped with an online calculator and notepad for testing ideas or making a drawing.
Click on Tune in to begin.
There is a new problem each week to solve. Whole numbers, fractions, percentages, ratios, probability, algebra and geometry are among the math topics explored.
Mandy