“故错”,简言之,是指教师在教学活动中巧妙的有意出错,引发学生启疑、质疑、释疑的一种教学方式1学生在数学学习过程中,由于受理解偏差、知识的复杂性、灵活性、隐蔽性、定势思维等影响,会在后继学习中表现出不易提取、难以分辨等弱点1这些都不利于发展学生的思维1因此,在教学 “Was wrong,” in short, refers to a kind of teaching method in which the teacher intentionally makes mistakes in teaching activities and triggers students to question, question, and dispel doubts. 1 The students are complicate in the process of mathematics learning due to misunderstandings and knowledge. The influence of sexuality, flexibility, concealment, and fixed mindset will show weaknesses in the follow-up learning that are not easy to extract and difficult to distinguish. 1 These are not conducive to the development of student thinking.