Math frustration

Subtraction. I don't like it. Wait, let me be more specific. I don't like teaching subtraction. Maybe it will be different with Sierra. Maybe she will just teach herself subtraction. She already has an amazing sense about numbers. It is not the same with Zoey. I have a wonderful teacher's manual and follow it well. However, once she starts getting frustrated she shuts down. I am trying to stay on track. But sometimes a kid needs a break. Here is where the hard part comes in. Do I keep pushing or back off a bit for a while? She is the kind of kid who if you give an inch she takes a mile so I don't want to play into her game, if indeed it is that. Hmmm... The crazy part about all of this is she is doing well. It gets ugly when she gets something wrong or forgets how to do something. Specifically with problems like 504-237=. 

Ok just rambling. I think I know what I need to do. 

How about a picture that has nothing to do with subtraction???

This girl wakes up with some crazy hair!