论文部分内容阅读
教学内容:苏教版《义务教育教科书·数学》二年级上册第61~63页例2~例4、“想想做做”第1~7题。教学目标:1.使学生经历认识长度单位的过程,知道计量比较短的物体可以用厘米作单位,初步建立1厘米的长度观念,掌握用刻度尺量物体长度的方法,会画指定长度的线段。2.使学生在实际观察和操作中培养初步的观察、操作、比较能力,发展空间观念,养成认真细心的学习习惯,培养对测量活动的兴趣。
Teaching content: The Soviet version of “compulsory education textbooks · Mathematics” second grade on the first 61 ~ 63 cases 2 to 4, “Think do ” 1 ~ 7 questions. Teaching Objectives: 1. To enable students to experience the length of the unit process, that the measurement of relatively short objects can be used as a unit of centimeters, the initial establishment of the concept of 1 cm length, grasp the object with a scale measure the length of the method will draw the specified length of the line . 2. To enable students to observe and manipulate the actual observation and operation of the initial observation, operation, comparative ability, the development of space concept, develop a careful and careful study habits, develop interest in measurement activities.