I got a class of 14 year olds #GCSE#CS teens through two's complement, so, having finished their spinach, in the last lesson of the week I got them to make a Mondrian-like piece in processing, to use as a logo for the Teams
@MrBerard@edutooters The best bit is in the intro: "so who can tell me what 1 + 1 is?"
When you show that x + -x = 0 in 2s comp, there's generally this "oh, wow" moment, which is a small payoff.
Add comment