Teach Someone Something

I taught a math skill on how to multiply by 9 to my little sister who is 8 years old because in third grade, they are learning multiplication so the trick might be very helpful. At first, the lesson didn't go too well, she always got everything mixed up and backwards, and when I gave a little mini test, she got almost everything wrong, I almost threw a fit, but then I remembered she wasn't joking around with me. In the end, she got everything correct, though she still needed some time to think over it. The trick was to take the number you will be multiplying, and subtract one from it. For example, if you are multiplying six and nine, take the number six and subtract one from it, which is five. You put the answer on the left side of the answer box.Then, you look at what you have so far for the answer. Subtract it from nine, and the answer put it on the right side of the answer box, right next to the one on the left. For example, we have a five in the answer box, so you take nine and subtract five from it. the answer will be four. Put it right next to the five in the answer box. Your equation will now look like 6x9=54. When my sister finally got the hang of it and had every single answer on the "test" I made her, I had a feeling of great achievement, as if I had just finished all my homework or that I had reached my goals.