My daughter, who’s five, has been learning addition of late. She knows a lot of the single-digit addition, like one plus two, three plus three, like that, but what’s funny is that instead of saying, “One plus two equals three,” she tends to say, “Plus one plus two equals three.” It’s that extra “plus” that… Continue reading Addition at five
Tag: Math
0 = -1
Back when I was a freshman in high school, and had an inadequate grasp of higher mathematics, I came up with an algebraic “proof” that I thought violated, well, something in math. I had “proved” that 0 = -1 using infinity. It was pretty basic. I don’t know why I remembered this today, but I… Continue reading 0 = -1
Silly math tricks
For some reason, these kind of math gimmicks always remind me of upside down calculator spelling. They’re amusing, but I really have to wonder who sits around and thinks these things up? Anyway, here’s what I just received via email from a friend (slightly edited): “Chocolate mathematics” 1. First of all, pick the number of… Continue reading Silly math tricks