在整个小学阶段,分两个阶段教学分数知识。在第六册课本里讲分数的初步认识;在第九册里较系统地讲分数的意义与性质、分数的四则运算。这样按照儿童的认识规律和数学知识的内在联系,把教学内容划分两段,有利于学生逐步获得正确的数的概念和 Throughout the primary school, teaching scores in two stages of knowledge. In the sixth volume of textbooks to talk about the initial understanding of scores; in the ninth book more systematically speaking the meaning and nature of scores, scores of the four operations. According to the children's cognitive rules and mathematical knowledge of the inherent relationship between the teaching content is divided into two sections, is conducive to students gradually obtain the correct number of concepts and