It's not magic; it's mental math—a superpower you can learn! This article is your step-by-step guide to mastering mental multiplication of two-digit numbers.

This Maths article explains both the mental method and written method for multiplying a 2-digit number by a 1-digit number.

To help you understand the algorithm, the video shows a simple two-digit by two-digit multiplication. You can see that the first and last digits are essentially the result of one multiplication.