初中数学是义务教育阶段中的一门主要学科,它对于提高学生的数学能力,如:提出问题、分析问题、解决问题等方面的能力,形成理性思维具有很大的作用。它是学习初中物理和化学等课程的基础。同时,它也为学生的终身发展,形成科学的世界观、价值观奠定了基础,对提高全民族的数学素养有很大的意义。在全国 Junior high school mathematics is a major subject in the compulsory education stage. It plays a very important role in improving students’ ability in maths, such as raising questions, analyzing problems and solving problems, and forming rational thinking. It is the basis for learning junior physics and chemistry courses. At the same time, it also lays the foundation for the students’ life-long development, the formation of a scientific world outlook and values, and is of great significance to improving the mathematics accomplishment of the entire nation. In the country