# The Prisoner Hat Puzzle ([home](https://github.com/alexhkurz/introduction-to-numbers/blob/master/README.md) ... [previous](https://hackmd.io/@alexhkurz/HykB3VPhU) ... [next](https://hackmd.io/@alexhkurz/HyzjN3qsI)) **Activity:** Watch the beginning of the video explaining the [The Prisoner Hat Puzzle](https://www.youtube.com/watch?v=N5vJSNXPEwA). Do not watch the solution. Try to find the solution yourself.