所谓“后进生”是指那些智力发育正常,在目前的学校教育活动中,由于受到环境中多种消极因素的影响,从而导致学习和品德等方面长期落后的学生。后进生的学习问题一直是数学教学的难题,也是数学教师经常关注、交流的热点问题。在以往的数学教学中,教师往往采用一种冷漠的态度对待后进生,将他们划入另册;课堂上对其视而不见,然后课后利用大量业余时间对其进行填鸭式的灌输。殊不知,这种做法会极大地挫伤后进生学习的积极性,使他们逐渐产生 The so-called “afterlife ” refers to those who have normal mental development, in the current school education activities, due to a variety of negative factors in the environment, resulting in long-term backward learning and moral aspects of students. The learning problems of postgraduates have always been a difficult problem in math teaching, and they are also hot issues that math teachers often pay attention to and exchange. In the past mathematics teaching, teachers often adopt a indifferent attitude toward postgraduates, divide them into separate volumes, ignore them in the classroom, and then spend a lot of spare time after class to inculcate them. As everyone knows, this approach will greatly dampen the enthusiasm of post-graduation learning so that they gradually produce