The mathematical (and other) thoughts of a (now retired) math teacher,
Friday, 14 December 2007
Pick a number, any number!
Ok, I know a couple of tricks for quick computation, and every once in a while a chance comes up in class to use one, and I multiply 78 x 72 in my head or square 125 and the kids tell me I'm brillant... I love the attention and having them think I am clever, but this guy...WOW... this is magic... Just watch