Substitute Horror

So, my fabulous co-teacher had to go to some training today. About something. That she didn't really want to learn about (not because she didn't want to learn but because she had already sat through most of this training this summer. She needed like, an hour of this 8 hour training, but they made her sit through the whole thing.)

But lo-and-behold, the powers that be sent her a sub.

Now, a normal sub would follow HER schedule. (You know, in my room when she should be and in the other room when she should be.)

But no. She just came and went as she pleased. (How she got this in her head was beyond me.)

So I hate telling adults what to do when I am teaching and telling my minions what to do, so I don't really feel the need to have a substitute. It bothers me because they never know what to do when I am in the room (because, heaven forbid, they would actually know how to support children with special needs...since that is what you were sent for).

So here is a conversation that happened today:

Sub: "Teacher, I have a question for you." (We were standing at a group, working on adding fractions.)
Me: "Yes?
Sub: "I need you to explain why these kids are getting different answers than I am."
Me: "Oh? On which question?"
Sub: "That math problem." (She points to one-half minus five-twelfths)
Me: "Well, this student has it correct."
Sub: "How is that the right answer?"
Me: "Well, one-half minus five-twelfths is one-twelfth, just like this entire table says."
Sub: "How did he get that?"
Me: "Kiddo, what did you do?"
Kid: "One - half is equivalent to six-twelfths, and six-twelfths minus five-twelfths is one twelfth. Then I checked it with these fraction bars."
Sub: "Oh, this new math is so different. No wonder I got it wrong. I guess I learned it the old-school way."

In my head: IT DOESN'T MATTER WHAT WAY YOU LEARNED IT, SUBTRACTING FRACTIONS WILL ALWAYS RESULT IN THE SAME ANSWER.

Oh my god. Get her out of my room.