Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

Squaring a square sounds simple, but the math behind it is one of the strangest puzzles ever created. It requires cutting a square into smaller squares—all different sizes—with a pattern that doesn’t ...

A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...

Only intelligent minds can solve this math puzzle by finding the missing value in 17 seconds. Are you one of them? Try now!

The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

If the cards shown here are rearranged to form four new poker hands of five cards each, what is the lowest possible winning or tying hand? When two hands are of the same type, such as a pair or a ...

You have a sharp brain if you can solve this math puzzle. Test your problem-solving skills and intelligence now! Math puzzles test readers' critical thinking skills by challenging them to solve ...

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 ...