This is the third part of the Math and Multimedia Math Trick Series
The first two tricks are multiplying by 11 and squaring numbers ending in 5.
As I have promised, I will teach you more math tricks that will impress your friends. The most exciting part, however, is not actually the trick but why the trick works.. In this post, we are going to learn math trick which we will call magic 1089, a trick I learned at Basic Mathematics.com.