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初中阶段,学生数学学习成绩的两极分化呈现出比小学阶段更严重的趋势,后进生所占的比例较大,特别在八年级表现得尤为明显.这种状况直接影响大面积提高数学教学质量.那么,造成两极分化的原因是什么?如何预防?
In junior high school, the polarization of students’ mathematics performance shows a more serious trend than that of elementary school. The proportion of backward students is relatively large, especially in the eighth grade. This situation directly affects a large area and improves the quality of mathematics teaching. What is the cause of polarization and how can it be prevented?