小学生虽然已经掌握了计算的基本方法和技能,但在计算过程中往往会出现这样或那样的错误,针对这种情况,我认为掌握一些验算方面的小技巧,对学生计算准确率的提高有很大的帮助。一、末位检验法在计算过程结束后,对整个计算进行验算,显然是很复杂的一个过程,而小学生在计算过程中所犯的错误,往往只要通过检验结果的末位就能知道是否正确。如:37×49这一题。两个数的末位分别是7和9,他们相乘 Although primary school students have mastered the basic methods and skills of calculation, one or more mistakes often occur during the calculation. In view of this situation, I think it is very important to master some checking skills and to improve students’ accuracy of calculation Big help. First, the last test method in the calculation process is completed, the calculation of the entire calculation is obviously a very complicated process, and pupils in the calculation of the mistakes made, often as long as the end of the test results can know whether the correct . Such as: 37 × 49 this question. The last two digits are 7 and 9, respectively, and they are multiplied