简约之美——思维导图(六)|小数的加法和减法单元整理与复习

网友投稿 2019-05-18 17:28

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思维导图单元整理与复习

     ——洛阳市瀍河回族区外语实验小学

小数加减法看似简单,可是小数加减法为什么要小数点对齐?它和整数加减法有什么异同?小数加减法的基础是什么,又为哪些知识做铺垫?通过画思维导图,学生就会知其然,也知所以然,这是一种学习的捷径,通过学习实践和学生反映,这是一种值得倡导的学习好方法。

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