This is a classic mini-game Fifteen Sliding Puzzle. This option works in the browser, in it you need to specify a regular picture, the program itself will cut the picture into squares and mix them.

Across the country, educators continue to wrestle with big questions about math curricula. Two years ago, the California education board’s adoption of a long-gestating new math framework added more ...

Far too many students enter math class expecting to fail. For them, math isn’t just a subject–it’s a source of anxiety that chips away at their confidence and makes them question their abilities. A ...

Add a description, image, and links to the quiz-html-css-javascript-animation topic page so that developers can more easily learn about it.

At the 2024 International Mathematical Olympiad (IMO), one competitor did so well that it would have been awarded the Silver Prize, except for one thing: it was an AI system. This was the first time ...