Sometimes, I would get certain challenges from one of my teachers. And for the most part, they're entertaining. :p. They add new excitement to the class. And it's amusing to do them. Sometimes, my teacher adds a reward for finishing a challenge. However, I would do them regardless of whether there are rewards at stake or not. :p. I just think that they're fun to do. :p. And whenever I accept a challenge, I'm all like:
Random thought: There should be a college named "Hogwarts" and have the mascot be a wizard. So, a person who goes to that college can honestly say: "I'm going to Hogwarts to become a Wizard!" Loool. :p. Although, I think there are some schools that have their mascot as a wizard. o_o. I think. Lool.).