在教学工作中经常碰到这样一种现象,当学生在做某道数学题时,会发现这个题目好像老师讲过的,但当时老师是怎么解的却想不起来了.这种现象为什么会产生呢?有没有解决的办法呢?其实,教师课堂上所授的知识,学生如果只凭大脑记忆会随着时间的推移而逐渐遗忘.那么,课堂笔记就是最好的备忘录.事实上,记数学课堂笔记是同学们学习数学过程中一个不可忽视的环节.我们应该学会如何记笔记和使用笔记. In the teaching work often encountered such a phenomenon, when students are doing a math problem, you will find this topic as the teacher talked about, but at that time the teacher is how to solve but can not remember why this phenomenon Is there any solution to this? In fact, the teacher’s knowledge in the classroom, if students only by the brain memory will gradually forgotten with the passage of time, then the class notes is the best memo .In fact, remember Mathematics class notes is a non-negligible part of the students learning mathematics, we should learn how to take notes and use notes.