每节数学课都由引入、新课及结尾三部分组成,忽视了哪一部分都会影响教学效果,有些教师很注重导言的设计,也很重视授新课时的引导、合作、讨论、探究与启发,但往往忽视数学课的结尾,数学课的结尾是课堂教学的重要一环,不 Each lesson of mathematics consists of introduction, new lessons, and the last three parts. Ignoring which part will affect the teaching results, some teachers pay attention to the design of the introduction. They also attach great importance to the guidance, cooperation, discussion, inquiry, and inspiration of the new class. But often ignoring the end of the math class, the end of the math class is an important part of classroom teaching, not