You have a piece of wire, and cut it into two pieces. You bend one piece into a circle and the other into a square. [br][br]This classic problem is a great place to practice noticing and wondering, and to connect to problem posing. I'd recommend Simon Gregg's neat post about [url=http://seekecho.blogspot.com/2017/05/the-square-and-circle.html]his curiosity about this problem[/url].