计算法则是计算的方法和规则。毫无疑问,计算是在步骤、顺序及书写位置等方面都是有规则的,计算法则是客观存在的。计算法则的教学通常有两种方式:一种是从外部输入,像过去的教学那样,先通过几道例题把算理、算法、注意点讲得清清楚楚,把方法、格式示范得明明白白,然后归纳出若干条法则。学生的学习方式是 Calculation rules are calculated methods and rules. There is no doubt that the calculation is a rule in terms of steps, order and writing position, and the calculation rule is objective. There are usually two ways to teach the rule of law: one is input from the outside, as in the past teaching, first through a few examples of the arithmetic, algorithms, pay attention to point clearly, the method, the format demonstrated clearly , Then summed up a number of rules. The way students learn is