何谓“整体把握、关键突破”？就是说不论是教学两步应用题或者教学三步应用题 ,都要从整体上抓住关键的基本数量关系 ,进行突破 ,从而布列方程解题。这样学生对列方程解应题就不至于有“剪不断 ,理还乱”的感觉 ,使问题变得简单、明朗。如教学“商店原来有一些饺子粉每袋５千 What is “the overall grasp, the key breakthrough”? That is to say whether it is teaching two-step application questions or teaching three-step application questions, we must grasp the key basic quantitative relationship as a whole, to make breakthroughs, to solve the problem. This student solution to the column equation will not have the problem of “cutting constantly, chaos” feeling, so that the problem becomes simple and clear. Such as teaching, "the original store some dumplings powder 5 thousand per bag