论文部分内容阅读
分数的认识是小学阶段的教学重点,也是教学难点。在概念教学时应该适时帮助学生进行知识的整理,沟通知识间的联系,形成系统化的知识结构。五年级下册“分数的意义”前4道例题教学之后,我们设计了这节课,主要帮助学生从分数的意义出发,沟通分数与除法、用分数表达两个量之间的关系(包含部分与整体、部分与部分)、分数与倍等相关知识;认识到分数既可以表示一个具体量,也可以表示两个量之间的关系;借助数轴初步体会分数的大小等知识。这样,力求从多角度完善对分
The understanding of the score is the primary focus of teaching, but also teaching difficulties. In the concept of teaching should be timely to help students organize the knowledge, communication between the knowledge, the formation of a systematic knowledge structure. After the teaching of the first 4 cases, we designed this lesson, which mainly helps students to communicate the scores and divisions from the meaning of the scores, and express the relationship between the two quantities by the scores Including part and the whole, part and part), scores and times and other related knowledge; recognize that the score can represent a specific amount, it can also represent the relationship between the two quantities; In this way, strive to improve the points from many angles