In this episode we learn the mental math technique to rapidly square any number in the 50s.
Episode Summary In this episode, we learn the very powerful math trick of mentally squaring any number ending in the 50s. In order to perform this math trick, we simply take the one's digit of our number and add to it the number 25. Remember this answer as we will use it momentarily. To finish the answer, we simply put square the one's digit of our original number and put it after our first answer. This mental math technique can be done in seconds and can help in many situations when improving calculation speed is important.