Did you know there are more ways to shuffle a deck of cards than there are atoms in the universe? Seems crazy, but it's true. Today The Why Files covers amazing math facts (and tricks) that will ...

Math Smarts: Tips, Tricks, and Secrets for Making Math More Fun! by Lynette Long, illus. by Tracy McGuinness, does just that, with clever aids such as a cardboard ""Smart Chart"" that slides to reveal ...