平方根内容教学现状的理论分析

Theoretical Analysis on the Current Situation of Square Root Content Teaching

平方根是中学数学一个基础内容,笔者通过调查发现,尽管这部分内容在教师看来不是很难,但很多学生在学习这部分内容时会出现一些共性的问题.文章从教材安排、数学运算、符号表示角度对学生出现问题的原因进行了剖析,并从四个方面提出了教学建议,以期望对教师的教学提供帮助.

Square root is a basic content of middle school mathematics.Through investigation,the author found that although this part of the content is not very difficult for teachers,many students will have some common problems when learning this part of the content.This paper analyzes the causes of students'problems from the perspectives of textbook arrangement,mathematical operation and symbolic representation,and puts forward suggestions on the teaching of this part from four aspects,hoping to provide help to teachers'teaching.