Interesting that you are auditory, and understand its meaning. I didn't think anyone paid attention to that stuff but me.
I have to put the stuff on flashcards, pace back and forth, and
vocalize the questions as well as the answers. I add key points as I think of them and discuss their impact on the problem.
It must appear very odd to anyone else
These methods don't seem to really work with math. I just enforce rules. I have purchased several other math programs to get different problems, adding repetitions and adjusting to their individual style.
I noticed that I made an error in my example. I make those little mistakes all the time unless I'm scanning my work expecting them constantly.
It takes an extraordinary instructor to teach the actual mechanics of math operations. You are fortunate.