严密准确地使用数学语言是数学教学的基本要求之一,但是笔者在多次教育实习中发现不少实习教师在这方面常出问题,有些在职教师对这方面也注意不够。现将笔者在听课中发现的一些常见错误分类举例如下,希望能引起老师们的注意。 The strict and accurate use of mathematics is one of the basic requirements of mathematics teaching. However, in many educational practice, the author found that many intern teachers often have problems in this area. Some in-service teachers also pay insufficient attention to this aspect. Here are some of the common misclassifications that the author discovered in class. They hope that they can attract the attention of teachers.