加强运算法则的教学,是提高数学教学质量的一个重要方面。下面谈谈我在教学中的作法和体会。一、重视法则的推导学生机械地死背法则,是造成不能正确地、牢固地、灵活地运用法则的原因之一。产生这种情况,往往与教师忽视法则的推导有关。重视法则的推导,就是要遵循认 Strengthening the teaching of arithmetic is an important aspect to improve the quality of mathematics teaching. Here to talk about my practice in teaching and experience. First, pay attention to the derivation of the law Students die mechanically rule is one of the reasons why can not correctly, firmly and flexibly use the law. Produce this situation, often with the teacher neglected the derivation of law. Emphasis on the derivation of the law, is to follow to recognize