论文部分内容阅读
教学内容:北师大教材五年级上册第75~76页。教学目标:1.在自主探索的活动中,理解组合图形的意义,掌握组合图形面积的计算方法。2.能根据组合图形的条件,有效地选择计算方法进行正确的解答。3.能运用所学的知识,解决生活中有关组合图形面积的实际问题。教学重点:学生能够计算组合图形的面积。
Teaching content: Beijing Normal University textbook fifth grade on the first 75 ~ 76 pages. Teaching objectives: 1. In the activities of self-exploration, to understand the significance of the combination of graphics to master the calculation of the combined graphics area. 2. According to the conditions of the combination of graphics, the effective choice of calculation methods for the correct answer. 3 can use the knowledge learned, to solve the practical problems related to the combination of graphic area in life. Teaching focus: Students can calculate the area of the combined graphics.