《数学课程标准》指出让不同的孩子都有不同的进步。作为数学教师,就是要借助现有的数学教材,灵活地使用教材,用教材教,拓宽学生的视野,发展学生的思维,从而提高孩子的数学素养。新课程标准指引下的数学课堂应该是教师组织和指引孩子进行小组合作,主动探究知识,从而发展自身能力,促进知能同步构建的过程。初中时期的学生刚好处于青春期,在这一过程当中,学生的认知水平和心理发展都比较迅速,思维比较活跃。因此教师要认真研读教材,挖掘教材的内 The Mathematics Curriculum Standard states that different children have different progresses. As a math teacher, it is necessary to use the existing mathematics textbooks, flexible use of teaching materials, teaching materials to broaden students ’horizons and develop students’ thinking, so as to improve children’s mathematical literacy. Under the guidance of the new curriculum standards, the mathematics classroom should be a process in which teachers organize and direct children to cooperate with each other and take the initiative to explore knowledge so that they can develop their own abilities and promote the simultaneous construction of knowledge and ability. Junior high school students just in their adolescence, in this process, the students’ cognitive level and psychological development are relatively rapid, thinking more active. Therefore, teachers should carefully study textbooks, mining textbooks