At the start of a YouTube video titled “Art of Problem Solving: Least Common Multiple,” Richard Rusczyk invites viewers to play a game. Every twenty-four seconds, we’re supposed to clap; every ...

I’ve been out of school a long time (I mean a long time), yet I think I’m still pretty good at basic math. I’m always able to figure out whether a “bargain buy” at the supermarket is actually a ...

You’ve no doubt seen some version of this viral math problem making the rounds on Facebook, Reddit or X (though we’ve given ...

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...