2022年新人教版小学数学三年级下册第七单元《小数的初步认识》教学设计 .pdf

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1、学习好资料欢迎下载新人教版小学数学三年级下册第七单元小数的初步认识 教学设计一、教学内容新人教版三年级下册第七单元91-92 页二、教材分析小数的初步认识是孩子们第一次接触小数。这部分内容是小数初步认识中的最基础的知识，也为今后系统地学习小数的知识打下初步基础。同时，小数的知识在实际生活中应用较广泛，也利于学生运用所学知识技能来解决一些实际的问题。三、教学目标 1、借助学生熟悉的商品价格，结合生活实际了解小数的含义。2、通过米尺模型，认识 0.1 米与 1 分米与 1/10 米之间的关系，0.01 米与 1 厘米和 1/100 米之间的关系。3、在具体情境中了解小数的含义，充分感受“数学来源于

2、生活，又服务于生活”这一理念。教学重点：认识具体情境中小数的含义教学难点：通过米尺模型，认识 0.1 米与 1 分米与 1/10 米之间的关系，0.01米与 1 厘米和 1/100 米之间的关系。四、教学方法引导发现法、独立思考、小组合作探究。学习好资料欢迎下载四、教学过程：（一）情境导入师：周末郝老师去了一趟文具店，在文具店里郝老师发现了一个。有关数学的问题，看图，在这个文具店里，郝老师找到了了这些文具还有它们的价格。问题来了，大家仔细看一看，你能把这些文具标价中的数分成两类吗？怎么分？生：注意孩子回答问题时句子的完整性。师：你还有其他分法吗？生：没有。（有不同分法：学生说，老师问这样分的原

3、因）（播放课件）师：是这样分的吗?左边一类，右边一类。这样分的依据是什么？生：左边的数没有点，右边的数有点。师：说的真好，像左边这样的数是我们之前学过的，叫整数。像右边这样的数叫小数，小数与整数有什么不同？生：小数中间有个点。（小数有小数点）师：嗯，很好，这个点是什么样的？生：圆圆的、小小的、实心的。师：同学们观察的真仔细，这个点，小小的圆圆的，叫小数点，大家可别小瞧了它，它的作用可大了，我们就以钢笔价格认识一下它。播放课件 17.35 师：边播放边讲解，中间这个点叫小数点，它把小数分成了左右两部分，左边是整数部分，右边是小数部分。小数点位于整数部分的文档编码:CI5D10S3S1A5 HM8

4、U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C1

5、0R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE

6、6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I

7、1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编

8、码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D

9、10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1

10、A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3学习好资料欢迎下载右下角。师：同学们，你们能尝试着读出老师在文具店里见到的这三个小数吗？选择一个你喜欢的小数读出来3.50 元 0.20 元 17.35 元（可能的读法：三点五零、三点五十、十七点三十五）师：我

11、们来看一下正确读法，同学们小声跟读。同学们通过读这几个小数，你发现读整数部分和小数部分有何区别？师：在读小数时，整数部分按照以前学过的整数读法读，小数部分只需要依次读出数字，小数点读作点。黑板上任写三个小数，看看大家会读了吗？18.25、0.86、65.56 师：看来同学们小数的读法掌握了，这些小数是老师在文具店里见到的，现在同学们想一想，现实生活中还在哪里见过小数？生：学生回答自己见过小数的地方。师：同学们知道的真不少呀，看来小数就在我们身边，课件出示常见的几个场景。这节课，我们就来认识一下小数。播放课件师：看，这是什么？生：尺子、米尺师：这一段是多长呢？生：1 分米（同时板书 1 分米）同

12、学们想一想，用米作单位用分数怎样表示？生：1/10 米文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8

13、U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C1

14、0R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE

15、6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I

16、1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编

17、码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D

18、10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3学习好资料欢迎下载因为把 1 米平均分成 10份，每份就是 1/10 米。板书 1/10 米师：这里还可以用小数表

19、示就是0.1 米。板书 0.1 米播放课件师：这是几分米？生：3 分米师：用米作单位用分数怎么表示？生：3/10 米师：小数呢？生：0.3 米同时板书 3 分米=3/10 米=0.3 米师：8 分米呢生：8/10 米、0.8 米同时板书 8 分米=8/10 米=0.8 米师：播放课件，小明现在 1 米 3 分米，转化成以米为单位的小数？四人一组相互讨论交流，一会请小组代表汇报你们组的结果并说明理由。生：1.3 米1 米 3 分米一定是比 1 米多，所有整数部分写1,3 分米就是 0.3米，合在一起就是1.3 米。师：举几个例子强化：1 米 8 分米=1.8 米，5 米 7 分米=5.7 米10

20、 米 3 分米=10.3 米，100米 3 分米=100.3 米师：请同学们打开课本92 页，完成做一做。文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z

21、4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文

22、档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI

23、5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3

24、S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 H

25、M8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6

26、C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3学习好资料欢迎下载老师巡视，找同学回答。师：同学们表现都很好，

27、爱的鼓励一起来。师：同学们我们现在知道了1 分米可以表示成 1/10 米、0.1 米，3分米可以表示成 3/10 米、0.3 米，那么 1 厘米可以表示成多少米呢？先独立思考，写在练习纸上，再在小组内说说你的想法，最后小组汇报结果。学生汇报：1/100 米、0.01 米师：为什么是 1/100 米？生：因为 1 米=100厘米。也就是把1 米平均分成了 100 份，其中的 1 份就是 1/100 米。播放课件米尺，总结：1 米=（100）厘米。也就是把1 米平均分成了 100份，其中的 1 份就是 1/100 米。同时板书，还可以表示成0.01 米师：3 厘米呢 8厘米呢 18厘米呢（这个可能

28、有难度，找同学说出想法）师：接下来老师要考考大家对这节课掌握的如何，敢不敢接受挑战？1 看图填上合适的分数和小数。2 把日记里的数据改成用小数表示。3 在方框里填上合适的小数。师：你今天学会了什么？大家一起总结。文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C

29、10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 Z

30、E6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4

31、I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档

32、编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5

33、D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S

34、1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM

35、8U8R6C10R1 ZE6F3Z4I1Y3学习好资料欢迎下载最后强调这节课我们只是对小数有个初步的认识，完成课题的板书。在以后，我们还会学习小数的意义和性质、小数的近似数等，而本节课的内容是学好以后知识的基础，所以本节课也是非常重要的。文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3

36、S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 H

37、M8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6

38、C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1

39、ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z

40、4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文

41、档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3文档编码:CI5D10S3S1A5 HM8U8R6C10R1 ZE6F3Z4I1Y3