If you want to become a better problem solver, then this video is for you. This is video 6 of 7 in a series created to give you tips on how to improve your problem solving skills. Youtuber 3blue1brown explains that if you come across a problem that seems too difficult, asking a simpler version of it can be helpful. With the probability problem from the previous example, he asks a simpler variant of the problem. This provided him with a way to go about solving the actual problem.