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一、动静交替,讲练结合根据小学生的心理特点和认知水平,在教学中,通过动、静交替,讲、练结合,调动学生多种感官参于学习,使学生的大脑始终保持兴奋状态,这样,有利于课堂教学的优化。例如,在学习“分数的意义”这一内容时,可先让学生把一张正方形的纸对折,平均分成2份、4份、8份;把一个苹果平均分成2份、4份;把一个圆平均分成3份、6份;把一条线段平均分成5份、10份……在操作中,教师引导学生体会“一个整体”、“平均分”、“每一份占总份数的几分之几”的意义。在以上操作的基础上,让
First, the static and dynamic alternation, combined with the psychological characteristics of primary school students according to the psychological characteristics and cognitive level, in teaching, through the dynamic and static exchange, speaking, practicing combination of mobilize students to participate in a variety of senses Participate in learning so that students always maintain the excited state of the brain In this way, it is conducive to the optimization of classroom teaching. For example, to learn the meaning of “score”, students may be asked to fold a piece of paper folded in half, evenly divided into two portions, four portions and eight portions. An apple is equally divided into two portions and four portions. Divide a circle equally into 3 parts and 6 parts. Divide a line into 5 parts and 10 parts in average. In the operation, the teacher guides the students to realize “one whole”, “average”, “ A few of the total number of copies ”significance. Based on the above operation, let