The document summarizes 5 common myths about classroom management. Myth 1 is that good instruction eliminates discipline problems, but clear expectations and rules are also needed. Myth 2 is waiting until Christmas to smile, but having fun in a structured environment is better. Myth 3 is that stiffer punishments solve problems, but making good behavior rewarding works better. Myth 4 is that a teacher's style solely comes from their own teachers, but developing their own beliefs is important. Myth 5 is that management is 90% proactive, but teachers must also observe and adapt to each class.