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除数不接近整十数的笔算除法》课前小研究

2014-05-14 19:11:32| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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同学们，我们已经学习了除数接近整十数的除法笔算方法，相信你已经学的很棒了。接下来我们一起研究一下除数不接近整十数的笔算除法吧，相信你一样能行！

请认真预习课本95页到96页的内容，完成下面的问题：

120÷24=

1、我的笔算方法：

2、这道题在计算时你发现除数有什么特点？你是把除数看成几来试商的？

3、想一想，除数像24这样的不接近整十数时，用什么方法试商简便些？

4、我的疑问：

5、我的例子：

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