This trick allows you to multiply two numbers quickly and accurately, using a handy visual method - lines. It also shows how to deal with zeros and larger numbers, for easier multiplication. This method does not use any multiplication tables, making it accessible to all learners. The first of the videos showing how to multiply with lines is here: Arithmetic made simple! See more great math tricks here: To donate to the tecmath channel: To support tecmath on Patreon: To buy tecmath mechandise: