We are tied down to the “usual” ways of doing things. This is how we were taught in school, in our family (passed down from traditions, cultures, politics, etc.).
Did you ever ask if you can do something faster and in a different way?
Take a look at this:
Now, let’s see a faster and easier way (with ample training, you can even do it mentally).
There are such tricks for Addition, Subtraction, Division, Square Root, etc. I will show you in my Book – under the Chapter on Smart Kids.