学习数学,对于一部分初中学生来说是比较困难的.“怎样把数学学好?”这是学生经常提出的,也是教师经常想到的问题.数学教师的主要任务,在于“保证自己的学生能得到他们所需要的知识”(伯拉基斯“中学数学教学法”第一册第32页).为了很好地达到这个目的,必须遵循教学大纲从正面有机地生动地逐步将一定 Learning mathematics is more difficult for some junior high school students. “How to learn mathematics well?” This is a question that students frequently make and teachers often think of. Mathematics teachers’ main task is to “guarantee that their students can get them. The necessary knowledge” (Berakis “Middle School Mathematics Teaching Method”, Volume I, page 32). To achieve this goal, it is necessary to follow the syllabus from the front, organically, vividly and gradually.