教材简析及设计意图:本节教学设计内容:是人教版小学六年级下册“圆柱与圆锥”部分的新增的例题7,呈现了一个装有小半瓶水的矿泉水瓶,有水部分是圆柱形,而上部分是一个不规则的立体图形。教材给出了瓶子平置时水的高度和倒置时无水部分的高度,求这个瓶子的容积。这是学生不常见的问题,看似无处着手,却蕴含着新的教学理 Teaching material analysis and design intent: This section teaching design content: PEP sixth grader “cylinder and cone ” part of the new example 7, presents a small half bottle of water containing a mineral water bottle, there The water part is cylindrical, while the upper part is an irregular three-dimensional figure. The textbook gives the height of the water when the bottle is lying flat and the height of the anhydrous part when it is inverted, asking for the volume of the bottle. This is not a common problem for students, seemingly nowhere to start, but contains a new teaching theory