Square ANY number up to 1000 in 5 seconds - math trick!

Square any number up to 1000 with this easy to understand fast math trick! How fast? Some can be done instantly - others will take up to 5 seconds - as you can see in the thumbnail. For this math technique you will square each of the digits then add them to the digits multiplied by themselves and 2...all really easy calculations. This trick is based in Vedic math - an Indian system of mathematics. Maths is made easy with tecmath helping! To donate to the tecmath channel:https://paypal.me/tecmath To support tecmath on Patreon: https://www.patreon.com/tecmath To buy tecmath mechandise: https://teespring.com/stores/tecmath-store #fastmathtricks #mentalmath #mathtrick