Who says math can't be fun?! Try these math puzzles for a delightful challenge. Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on ...

The following is adapted from the introduction to “The Riddler: Fantastic Puzzles from FiveThirtyEight,” published by W. W. Norton & Co. It is in stores today! The world’s oldest collection of math ...

There comes a time when you just can't help your kids with their homework anymore. Too many years have passed, and little tricks like "multiply by -1" and "change the sign" have gone by the wayside.