via: melt your heart.

‘the world view that my students had, corresponded to the reality in the world the year their teachers were born’…he’s fascinating to watch.

This guy is cool, he makes videos about all kinds of math and science. Everything you had trouble with will be in here. It goes all the way from simple math like 1+1 all the way to college level physics. Check out some of his videos! Here’s one about dividing decimals.