Salman Khan:  Let's use video to reinvent education

The most common question students ask math teachers at every level is “When will I use math?” WeUseMath.org is a non-profit website that helps to answer this question. This website describes the importance of mathematics and many rewarding career opportunities available to students who study mathematics.   

Nature by Numbers: A movie inspired on numbers, geometry and nature, by Cristóbal Vila

Benoit Mandelbrot Fractals and the art of roughness
At TED2010, mathematics legend Benoit Mandelbrot develops a theme he first discussed at TED in 1984 — the extreme complexity of roughness, and the way that fractal math can find order within patterns that seem unknowably complicated.