Head teacher! Don't be too mean to children! Don't look so bad every day! Go deep into the students! It's OK to be deeply rooted in people's hearts! In the case that the mathematics teaching course is not very compact, talking about a certain problem can become a classic! For example, the root number 2 or something, that is, the secondary root number 2 or something! You can imagine this kind of humor yourself! Or prepare some jokes before class ~ it is best to engage in some student interaction! In this way, under the condition that the teaching course is not tense, students' learning enthusiasm is also mobilized, and their learning mood is also high, and they will get 100 points in the exam! You may get the first place if you go to the whole school 10 big shot selection.