论文部分内容阅读
教学内容:北师大版数学二年级下册67—68页。教学目标:1.结合生活实际认识角,形成角的正确表象,知道角的各部分名称以及记法和读法,会初步比较角的大小,感悟角的大小与两边张口的大小有关,与边的长短无关。2.通过观察、操作、比较等学习活动,经历发现角、认识角、辨析角、比较角的过程,培养观察、操作、抽象概括能力,发展空间观念。
Teaching content: Beijing Normal University version of mathematics second grade 67-68 pages. Teaching objectives: 1. Combined with the actual understanding of life angle, the correct appearance of the formation of the angle, knowing the name of each part of the angle and notation and reading method, will be an initial comparison of the size of the corner, perception of the size of the angle with the mouth of both sides of the size, Has nothing to do with the length. 2. Through the observation, operation, comparison and other learning activities, experienced discovery angle, angle of recognition, angle discrimination, comparative angle process, training observation, operation, abstract abilities, the development of space concept.