(upbeat music) - [Kids] Math Mights! - Welcome, third grade Math Might friends. I'm so excited that you joined us today. My name is Ms. Askew and I can't wait to have fun with you learning about math.

Multiplying 2 x 2 is easy. But multiplying two numbers with more than a billion digits each — that takes some serious computation. The multiplication technique taught in grade school may be simple, ...