“升和毫升”是小学数学苏教版第七册第一单元的内容,学生掌握好这一单元的知识,需要通过一系列的具体活动,在比较中学习,如逛超市、做实验等,从而丰富原有的经验,储备更多的经验。因此在教学这一单元时,我分以下几步进行。一、课前布置,比较中储备经验课前布置寻找标有“500毫升”的瓶子,目的一是让学生通过比较,通过寻找,自己去了解升和毫升。有人说寻找标有“500毫升”的瓶子,不是很简单吗?那矿泉水瓶,身边不多的是吗?其实市 The contents of the first unit of Book Seven of Mathematics Sujiao Version of Primary School are as follows: Students master the knowledge of this unit and need to learn through comparison through a series of specific activities, such as visiting the supermarket and experimenting Etc., thus enriching the original experience and reserving more experience. Therefore, in teaching this unit, I divided into the following steps. First, the pre-class layout, comparative reserve experience Pre-class layout looking for marked “500 ml ” bottle, the purpose is to allow students through the comparison, through the search, to understand their own liter and ml. Some people say looking for bottles marked “500ml” is not very simple? That mineral water bottles, surrounded by few is it? In fact, the city