《数学课程标准》指出:教师教学活动必须建立在学生的认知发展水平和已有的知识经验的基础之上,并鼓励学生主动参与数学学习活动,并尝试用自己的方式解决问题、发表自己的看法,耐心地引导他们分析产生困难或错误的原因。了解学生数学学习达到的水平和存在的问题,帮助教师进行总结与反思。重视生本教育,正视学生错误常遇到这样对话。老师说:“为什么很少看到你举手呢?”学生有些胆怯 The Mathematics Curriculum Standard states that the teaching activities of teachers must be based on the level of students’ cognitive development and existing knowledge and experience, and encourage students to take part in maths learning activities on their own initiative, try their own ways to solve problems and express themselves , Patiently guide them to analyze the causes of difficulties or mistakes. Understand the level of students’ mathematical learning and existing problems, help teachers to summarize and reflect on. Emphasis on student-centered education, face student mistakes often encountered such a dialogue. The teacher said: “Why seldom see you raise your hand? ” Students a little timid