From tecmath: How to multiply 2 digit numbers numbers up to 100 - calculating the fast way! Using this method you will be able to multiply any pair of two digit numbers with each other - faster than a calculator! Become a math genius in no time at all using vedic math! To see how to multiply 2 and 3 digits using a variation of this trick follow this link: https://www.youtube.com/watch?v=lvnST... Credit: https://www.youtube.com/watch?v=PYrgjMubh-c