五年级本月学生主要学习“分数的加法和减法”的相关知识,通过学习要做到以下几点:一是要理解分数加减法的算理,掌握分数加减法的计算方法并能正确计算出结果;二是理解整数的运算定律对分数仍然适用并能运用运算定律进行简便运算;三是体会分数加减运算 The fifth grade students this month mainly study “the addition and subtraction of scores,” the relevant knowledge, through learning to do the following: First, to understand the arithmetic of fractional addition and subtraction, master the method of calculating the fractional addition and subtraction Can correctly calculate the results; the second is to understand the law of integer arithmetic is still applicable to the score and can use the law of computation for easy operation; the third is to experience the addition and subtraction of scores