Ready for the solution? Click here to see if you’re right —and to get an insanely in-depth breakdown of how to solve this problem, plus the complete answers to 100+ other challenging riddles. Can You ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Toshi Hirabayashi, Georgia Institute of Technology (THE CONVERSATION) I was preparing ...

From Monopoly to Backgammon to Yahtzee, our first experiences with board games almost always feature sets of six-sided dice. They’re a great way to create some randomness and chaos in a game, but ...

All those long multiplication tables. Timed tests and “mad minutes” of worksheet problem-solving. Fluency drills. Somehow, getting kids to know their basic math facts continues to be at the heart of ...

To learn math, students must build a mental toolbox of facts and procedures needed for different problems. But students who can recall these foundational facts in isolation often struggle to use them ...

We all love a mathematical brainteaser here at IFLS. Monty Hall? Done it mate. Two circles shoved into a quadrilateral of unknown size? Been there, solved that. Some Singaporean kids’ seemingly ...