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数学中基本的概念、性质和法则,是解题和推理的根据,对于这些基本知识应使学生有清晰的认识、透彻的理解,牢固的记忆。在课堂教学中,随时回到基本知识,巩固基本知识,并在这基础上进一步建立新的概念,才能使学生更容易地接受新知识。我们认为这是教学中很重要的一环。现在介绍我们的一些做法: (一)在讲解新课前,即使是单元开始讲授新概念的课时,常有意识地组织一些问题复习旧知识。例如: (1)讲授三角方程时,通过下列各问题使学生得到解三角方程的主要方向: ①回亿一下方程的概念。
The basic concepts, nature, and laws of mathematics are the basis for problem solving and reasoning. For these basic knowledge, students should have a clear understanding, a thorough understanding, and a solid memory. In class teaching, it is time to return to basic knowledge, consolidate basic knowledge, and further establish new concepts on this basis so that students can more easily accept new knowledge. We think this is a very important part of teaching. Now introduce some of our practices: (A) Before explaining the new class, even if the unit starts teaching new concepts, often consciously organize some problems to review old knowledge. For example: (1) When teaching the trigonometric equations, the students are given the main directions for solving the trigonometric equations through the following questions: 1) The concept of the equation.