从本人几年来的教学体会,我深深感到初中阶段学生数学学习成绩两极分化,呈现出比小学阶段更为严重的趋势,后进生所占的比例较大,特别在初中二年级表现得尤为明显。这种状况直接影响着教学目标的实施,影响数学教学质量。这是提高整体教学水平面临的难题。那么造成两极分 From my teaching experience over the past few years, I deeply felt that the junior middle school students' performance in math was polarized and showed a more serious tendency than primary school. The percentage of post-graduated students was large, especially in the second grade of junior high school . This situation has a direct impact on the implementation of teaching objectives, affecting the quality of mathematics teaching. This is a difficult problem in raising the overall teaching level. That caused two poles