I’m not sure why this is the third post recently of someone standing in front of an audience with a microphone. Coincidence, I suppose.

Anyway, this was at a PTA meeting I attended with my daughter this evening. The guest speaker was Alex Kajitani, aka the “Rappin’ Mathematician”. He was very inspiring, talking about reaching middle school kids using rap to teach algebra. Here’s a YouTube video from a CBS newscast that explains it pretty well. He was showing us his student – produced music videos about parallel lines and negative and positive numbers. I got the room pretty well, and his physical attitude, but I was not so good with his likeness. So, when he sat down after the presentation, I got to remedy that:

These were both line drawings done in my sketch book at the event, then brought home, scanned and value added in Photoshop.