我教了五年的初中教学,发现初中阶段数学成绩两极分化的现象越来越严重,而且呈现出比小学阶段更严重的趋势。后进生所占的比例较大,在初一还好点,在初中二年级表现得尤为明显。这种状况直接影响着数学教学质量的提高。教师感觉上课特别累, I taught junior high school teaching for five years and found that the polarization of math performance in junior middle school is more and more serious and shows a more serious tendency than primary school. After the students accounted for a larger proportion, better in the first day, especially in the second grade of junior high school performance is particularly evident. This situation has a direct impact on the improvement of mathematics teaching quality. Teachers feel tired in class,