ELI5: Explain Like I'm 5

Magic circle (mathematics)

A magic circle in mathematics is like a special kind of puzzle that starts with a big circle that is divided into smaller sections. Each section has a number in it, and the goal of the puzzle is to arrange these numbers in a way that makes the sum of each section equal to the same number.

Here's how it works: you start with a circle and divide it into sections, usually by drawing lines. Then, you write a number in each section. The numbers can be anything, but usually they are the numbers 1-9. Once you have all your numbers in place, you add up the numbers in each section and see if they are equal to the same number.

If they are, you've solved the magic circle puzzle! But if they're not, you have to move the numbers around until they add up correctly. The trick is that each number can only be used once, and the sum of each section has to be the same as all the other sections.

Magic circles can be really challenging and fun to solve, and they can help you practice your math skills too!