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数学是自然科学中的一门重要的基础学科,逻辑性强、论证严密是它的特点之一。小学数学中的法则、定律、公式、性质等知识,一般不要求作严密的推理论证,在实际教学中,如果教师能够结合具体的教学内容,遵循学生的认知规律,有意识地注意培养学生的初步推理能力,那么对于学生进一步学习更高层次的数学知识、乃至于今后从事创造性的工作,都将有着十分重要的意义。下面结合《三角形内角和》一课的教学谈点体会。一、在新知识的传授中培养初步的推理能力
Mathematics is an important basic science in the natural sciences, which is characterized by its strong logic and rigorous argument. Primary school mathematics rules, laws, formulas, nature and other knowledge, generally do not require rigorous reasoning argument, in the actual teaching, if teachers can combine specific teaching content, follow the cognitive rules of students, and consciously pay attention to cultivate students Initial reasoning ability, then for students to further study a higher level of mathematical knowledge, and even in the future engaged in creative work, will have a very important meaning. The following combination of “Triangle and angle” teaching talk about experience. First, in the imparting of new knowledge to develop initial reasoning ability