Summary: Learn how to quickly and easily calculate the square of any two-digit number in your head. Read the episode transcript here: http://bit.ly/1y9x5y0. SPONSOR: Use the code MATH to be entered to win $1000 at http://stitcher.com/math.
Summary: Learn how to quickly and easily calculate the square of any two-digit number in your head. Read the episode transcript here: http://bit.ly/1y9x5y0. SPONSOR: Use the code MATH to be entered to win $1000 at http://stitcher.com/math.