This is my second article on easy and fast mathematics. If you have not read my first article then please read that first so you can understand this one much better.

I repeat, fast mathematics is not a trick but a skill. If you really want to be good at it, you have to practice a lot.

So here are some new methods:

### Multiply a number between 10 and 20 by a 1 digit number

If you want to multiply a number between 10 and 20 by a 1 digit number then multiply that 1 digit Continue reading “Secrets of Fast & Easy Mathematics #2”