Maths brain teasers are once again sweeping across the internet, capturing the curiosity and confusion of users who just can’t resist solving them. These puzzles, often deceptively simple in ...

Twenty years ago, this puzzle appeared on a test administered to top-tier math students from 16 countries around the world. Only 10% of test takers got it right. In the U.S., only 4% managed to ...

An old calculator uses a seven-segment display, in which numerals are represented by different patterns of vertical and horizontal line segments. But the device is faulty and no longer shows any ...

While many scroll past riddles and puzzles without a second thought, there’s a growing number of online users who pause, squint, and dive headfirst into these brain-twisting challenges. For them, a ...

You'll need to be one of the smartest 15% in the country to answer this maths question correctly. Brainteasers and other puzzles are a fantastic way to make sure you keep your mind in tip-top shape, ...

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...

From Quanta Magazine (find original story here). Most of the important discoveries in mathematics take place after decades or centuries of effort. If you want to attack the biggest problems, you’ll ...

Sayonara, Sudoku. For a better-rounded puzzle that includes not just logic, but math, too, try KenKen. It's probably even good for you. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...