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体积和容积是比较抽象的数学概念,如何帮助学生理解抽象概念,显然是本节课教学的重点。那么,会背“物体所占空间的大小,叫做物体的体积”等,是不是很重要的教学成果或者说是必须的?本节课中,王老师似乎只让学生读过一次,更多的笔墨却花在了如何让学生在脑海中建立具体化的“体积”。大道至简,真水无香,却迸发出一股浓浓的数学味,很好地诠释了描述性概念的教学要关注的是学
Volume and volume are more abstract mathematical concepts, how to help students understand the concept of abstraction, obviously the focus of this lesson teaching. So, will back “the size of space occupied by objects, called the volume of objects ”, is not a very important teaching achievement or is it necessary? In this lesson, Wang seems to only allow students to read once more More ink and brush is spent on how to make students in the mind to establish specific “volume ”. Boulevard to Jane, the real water without incense, but burst into a thick mathematical taste, a good interpretation of the teaching of descriptive concepts to pay attention to is learning