Part of my conversation with @ColinTheMathMo.
Blurred to make me look even sexier as I do this. (based on Twitter discussion www.twitter.com/mathfour)
How unschooled kids learn grammar →
This is a perfect correlation to unschooling math!
Look at how long it takes for the TI-30 to calculate tan 8! (not factorial)
Afternoon math post-workout.
Three (or four) requirements for teaching.