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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 [...]

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 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 [...]