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在低年级数学教材中,往往是把新的口算方法,转化为学生已经掌握的旧方法,并在例题中提示具体的思路。在这里,新旧知识的联结点,是引导学生思维的关键。学生如能有条有理、有根有据地想通这一关键,其他的问题就会迎刃而解。因此,小学低年级的数学教学,我们应在新旧知识联结点这一思维关键处,编制一些必要的习题,训练学生的思维,使他们具有初步的逻辑思维能力。
In the lower grades of mathematics textbooks, it is often the new oral calculation method, the students have to master the old method, and in the case of tips specific ideas. Here, the juncture between new and old knowledge is the key to guiding students' thinking. If students have an orderly and well-thought out basis, other problems will be solved. Therefore, in the teaching of mathematics in the lower grades of primary school, we should formulate some necessary exercises to train students' thinking and enable them to have initial logical thinking skills at the crucial point of thinking of new and old knowledge linkages.