教学内容:人教版《义务教育教科书·数学》三年级上册第90~91页。教学目标:1.直观认识几分之一,初步形成关于几分之一的表象,会读写几分之一,会比较分子是1、分母不同的分数的大小。2.通过直观演示、观察、操作、自主探究、合作交流等学习途径与方法培养学生的抽象、概括能力。3.感受主动参与、合作交流的乐趣,培养自主探索的学习习惯。教学重点:理解只有“平均分”才能产生分数,初步认识几分之一的含义。教学难点:理解分数的含义,体会只 Teaching content: PEP “compulsory education textbook · Mathematics” third grade on the first 90 ~ 91 pages. Teaching Objectives: 1. Intuitive understanding of a few, initially formed about a few appearances, will read and write a few, will compare the numerator is 1, the denominator of the different scores of the size. 2. Through the demonstration, observation, operation, self-exploration, cooperation and exchange of learning ways and methods to develop students’ abstraction, general abilities. 3. Feel active participation, cooperation and exchange of fun, develop their own learning habits. Teaching focus: understanding only “average points ” in order to produce scores, a preliminary understanding of the meaning of a fraction. Difficulties in teaching: understanding the meaning of points, experience only