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数学思想方法是数学课程教学目标“四基”中的要素之一,是形成学生良好认知结构的纽带,是由知识转化为能力的桥梁,能够提高学生的数学素养,将让学生受益终身。“化归”即是“转化”和“归结”的简称,而化归思想方法是数学学习中常用的一种思想方法,具有普遍的意义。化归思想方法在具体应用中主要思考两方面的内容,一是化归的方向,二是化归的具体手段。化归的具体手段是化归思想方法实际应用的关键,在小学数学学习中可以借助已有知识、已有经验、语义转换、化繁为简等方式实现化归。
Mathematic thinking method is one of the elements of “Four Basics” of mathematics teaching, which forms the bond between students ’good cognitive structure, the bridge from knowledge to ability, which can improve the students’ mathematical accomplishment and benefit the students lifelong. “Conversion ” is the abbreviation of “conversion ” and “attribute ”, but the method of conversion to thought is a commonly used method of thinking in mathematical study, which has universal meaning. In the specific application of the thought-changing method, two aspects are mainly considered, one is the direction of returning to normalization and the other is the specific means of returning to normal. The specific means of returning to normalization is the key to the practical application of the thought-changing method. In the elementary mathematics learning, we can make use of the existing knowledge, existing experience, semantic conversion, and simplification to realize the return.