论文部分内容阅读
一、教学内容面积的含义,常用的面积单位(平方厘米、平方分米、平方米)的认识(课本第70~73页的内容)。二、教学目标1.通过直观观察,动手操作等活动使学生理解面积的意义。2.在解决问题的过程中,使学生体验建立面积单位的必要性,理解面积单位的建立规则,认识常用的面积单位:平方厘米,平方分米和平方米,并感知它们的大小。3.让学生获得合作学习的经历,了解比较面积大小的方法。
First, the meaning of the teaching content area, commonly used area units (square centimeters, square decimeters, square meters) understanding (textbook pages 70 to 73). Second, the teaching objectives 1 through visual observation, hands-on activities to enable students to understand the meaning of the area. 2. In the process of solving the problem, enable students to experience the necessity of creating area units, understand the rules for establishing area units, recognize common area units: square centimeters, square decimeters and square meters, and perceive their size. 3. Let students get cooperative learning experience, understand the method of comparing the size of the area.