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教学内容:人教版《义务教育课程标准实验教科书·数学》三年级上册第91~92页。教学目标:1.初步认识几分之一,会读写几分之一,能运用简单的分数进行表达与交流。2.通过简单几何图形的操作,能结合具体图形理解几分之一的含义。3.在动手操作、观察比较中培养数感,体会几何直观的作用,感受逐步抽象的过程。4.通过小组合作、类推创造等学习活动,培养合作与创新意识、数学思考与语言表达能力,积累活动经验。
Teaching content: PEP “compulsory education curriculum standard experimental textbook · Mathematics” third grade on the first 91 ~ 92 pages. Teaching Objectives: 1. Preliminary understanding of a fraction, will read and write a few, can use simple scores for expression and exchange. Through the simple geometry of the operation, combined with the specific graphic understanding of the meaning of a fraction. 3. In the hands-on operation, observation and comparison of training flu, experience the role of geometric intuition, feel the gradual process of abstraction. 4. Through group cooperation, analogy to create and other learning activities, training awareness of cooperation and innovation, mathematical thinking and language skills, and accumulated experience in activities.