How can I get the rules of fraction and division, percentages, etc. to stick in my head?

Question

I can look at an example and answer a hundred of the same type of problems but if I am given a problem to solve, my mind just goes blank. Are there any sing along tunes or anything to help me remember? Thank You

Answer 1

Mathematics was my best subject and I never studied. It is all logical. Step back and try to understand it rather than memorizing facts.

My brother-in-law writes down every step when I try to show him how to do something on the computer. I tell him to write the ideas not the exact steps. There are 5 ways to do anything on the computer. The same is true with math.
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Answer 2

Sing along tunes?

The way to learn this is to pay attention in your grade school math classes.

I hope it isn't too late.