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在低年级的课堂教学中,我们常常可以发现这么一种情况,即任凭教师如何努力力求通过从具体形象到抽象的嬗变来激发学生思维,但学生总是答非所问,与期望的结果总是不一致。对此,教师可以打破儿童认识事物的思维结构,从思维结构的对比与转换开始,从而可轻易地突破儿童学习中的难点。一、教学受阻,发现问题教学完例题(苏教版小学数学一年级上册60页例题),要对学生所掌握情况有个了解。出示如图习题“试一试”:
In the lower grades of classroom teaching, we often find such a situation, that is, despite how teachers strive to inspire students thinking through the evolution from the concrete image to the abstract, but students always answer the question, and the results are always inconsistent. In this regard, teachers can break the child’s cognitive structure of thinking things, starting from the contrast and conversion of thinking structure, which can easily break through the difficulties of children’s learning. First, the teaching was blocked and found that the problem of teaching examples (Sujiao primary school mathematics first grade 60 cases), to grasp the situation of students have a good understanding. Show as shown in the exercises “try ”: