前言:化归思想对于小学计算教学的作用十分巨大,结合了转化和归结的思想。对于数学思维的启蒙阶段,在运用过程中把复杂化简单,把困难变容易不仅可以培养学生们的学习兴趣还有助于提高学习成绩。一种好的数学思维对于学生在整个学 Foreword: The idea of ​​returning to the thinking of the calculation of primary school teaching is very huge, combines the idea of ​​transformation and sum up. For the enlightenment phase of mathematical thinking, the complexity of the process of using the complex, easy to change not only can develop students’ interest in learning also helps to improve academic performance. A good mathematical thinking for students throughout the study