Deeper questions with percents
The good thing about teaching percents is that they connect to the real world, particularly with money. The bad thing is, it can be hard to find really [...]
Wolfram, computer-based math, “and making maths beautiful”
I’ve had Conrad Wolfram on my mind for some time. He gave a TED talk on computer-based math a while back, and just gave an updated talk at Learning Without [...]
Two great, idiosyncratic problem sources online
Two problems have been floating around in my head lately, and it’s only fair to share them, and let you know where I got them. Imagine this: You have four [...]
Problems on the Board II: Simplify!
I asked a pair of girls (age 8 and 9) I tutor to ask questions about the chessboard, and got another really great lesson out of it, this one highlighting the [...]