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《分数的初步认识》一课是小学阶段一堂必不可少的概念课,它为以后学习的小数认识、性质以及分数的意义等内容奠定了基础。这样的概念课,对于三年级的孩子来说有一定的难度,只有让学生亲自去动手操作,观察思考,才能更好地掌握这个知识点。上周刚听了一节《分数的初步认识》,老师以认识二分之一为突破口,从平均分实物产生1/2,到理解1/2的含义、动手创造1个1/2,学习其他的几分之一,最后比较几分之一的大小。整节课
The “initial recognition of scores” lesson is an indispensable concept lesson in primary school, which lays the foundation for the understanding of future decimal points, the nature and significance of scores. This concept class, for the third grade children have a certain degree of difficulty, and only allow students to personally hands-on operation, observation and thinking, in order to better grasp this point of knowledge. Last week just heard a “preliminary understanding of scores,” the teacher to recognize one-half as a breakthrough, from the average physical production of 1/2, to understand the meaning of 1/2, to create a 1/2, learning Other a fraction, the last comparison of a fraction of the size. The whole class