Announcement: The Gizmodo Monday Puzzle is going on a summer hiatus. Look out for us again in the fall! Follow me on Twitter to stay up to date about the series and for more puzzles, math, and other ...

There are 36 cards labeled with the numbers 1 through 36 and then placed face down on a table. If four cards are revealed one after the other, what is the probability that each card’s number is larger ...

All the Latest Game Footage and Images from Numbers Planet: Games and Puzzles This is a collection of more than 25 simple and amusing games about numbers and math. It includes the following games: ...

Need a break from spending time with the family this holiday season? The United Kingdom’s Government Communications Headquarters (GCHQ) has a puzzle for you. This year, the British spy agency is ...