Learned a lot from this tweet today:
So much, actually, that we had to go through it when my son came home from school . . .
First we talked about what multiplying by i does – you might even argue this is more important than knowing that -10 = -10. Who can really say, though?
Having learned a bit about what multiplying by i does geometrically, it was time for the big news of the day:
Ha ha – pretty much the perfect little math project for the end of the week 🙂