Anyone with kids in primary school should watch this. It explains the wacky crap that our schools are teaching kids with respect to multiplication and division.
At the moment, I'm happy that Jaden can do 2 digit addition in his head.
I am reminded of the Tom Lehrer song called New Math, which was from a different era (the 1960s), but kind of relays the same sentiment—you can't do your child's arithmetic homework. Thanks to YouTube, you get it with animation: