Construct a convex octagon with four right angles. It probably says a lot about me as a teacher that I assign problems like this. I watch as students try to arrange the right angles consecutively.

Artificial intelligence systems may be good at generating text, recognizing images, and even solving basic math problems—but when it comes to advanced mathematical reasoning, they are hitting a wall.

If you are interested in learning about the easiest math problems that look hard, then you have come to the right place. Many people consider mathematics to be tough, and if you are one of them, then ...