教材中的练习题都是经过编者精心设计而成,每一道练习题都有一定的编排意图。作为一线教师,我们在使用练习题时,除了要揣摩编者的编排意图,还要对练习题是否科学合理有所思考。苏教版小学数学教材的修订已经到了二年级,教材中的练习题也更换了不少。下面就即将要修订的教材中存在问题的几道练习题的修改谈谈自己的想法。一、苏教版三年级下册第83页“试一试”第1题 Exercises in the textbook are carefully designed by the editor, each exercise has a certain intent to arrange. As a front-line teacher, we use the exercises, in addition to trying to figure out editor’s intent, but also on the exercise is scientific and rational thinking. Sujiao version of the primary school mathematics textbook revision has reached the second grade, textbook exercises also changed a lot. The following is about to be revised textbook problems in a few modifications to talk about their own ideas. First, the Soviet version of the third grade volume on the next page 83 “try ” the first question