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

We’ve often noted that whether had ancient man known binary, we could all count to 1023 on our fingers. We thought about that while watching [Numberphile’s] latest video about “Russian” multiplication ...