Erick Erickson, the editor of the conservative website RedState, is furious because of the way his third grade daughter is being taught math. I mean, just look at how her “Common Core” textbook teaches subtraction:
Yes, that’s confusing when you look at it. I’ll admit that.
Erickson, who (I’m guessing) mechanically learned subtraction by putting the big number on top, the smaller number on bottom, and doing a little bit of “carrying,” is annoyed that his daughter isn’t learning math the same way he did: