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【教学内容】苏教版二年级上册第26~27页。【教学目标】1.通过观察、比较等方法,初步建立边的概念,初步认识四边形、五边形、六边形等平面图形。2.通过对图形的分、搭、折、剪等实践活动,体会图形的变换,发展空间观念。3.在学习活动中激发对数学的兴趣,培养认真审题的能力,培养交往、合作的意识和创新意识。【教学过程】一、创设情境,导入新课师:同学们,今天老师带领
Teaching content】 【Soviet version of the second grade on the first 26 ~ 27 pages. Teaching Objectives 1. Through the observation, comparison and other methods, the initial establishment of the concept of edge, a preliminary understanding of quadrilateral, pentagonal, hexagonal and other plane graphics. 2. Through the graphic points, take, folding, cutting and other practical activities, experience the transformation of graphics, the development of space concept. 3. To stimulate the interest in mathematics in learning activities, develop the ability to conscientiously take exams, and cultivate the awareness of communication, cooperation and innovation. [Teaching process] First, create a situation, into a new class teacher: Students, led by the teacher today