2022年《表内除法练习课》教案 .pdf

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1、学习好资料欢迎下载表内除法（二）练习课（一）教案第二课时练习课（一）教学内容：课本第 5152 页练习十一 37 题教学目标：1、进一步巩固利用7、8、9 的乘法口诀求商。2、能较熟练在进行除法的求商。3、进一步发展学生解决问题的能力。教学重点：熟练应用乘法口诀求商。教学难点：发展学生解决问题的能力。教学过程：一、谈话引入上节课我们学习了利用7、8、9 的口诀求商，今天老师带小朋友到童话世界去玩一玩，不过还要请小朋友利用我们的本领解决几个数学问题，好吗？二、展开学习1、用童话故事出示第51 页第 3 题小鸟回家主题图（1）学生独立计算（2）连线学习好资料欢迎下载（3）汇报每一题计算时所使用到的

2、口诀。2、完成第 4 题吹泡泡（1）小八戒吹出了这么多的泡泡太美丽了，你会用口诀把这些泡泡上的题目算出来吗？（2）学生独立计算（3）小组交流如何计算。三、拓展应用1、引导学生完成第 5 题（1）出示题目4（）=36 6（）=42 63（）=7 32（）=8 48（）=6 9（）=54（2）认真读题感受方程思想。（3）填空并说说思路2、综合应用完成练习十二第6 题35 7 42 6 7 7 72 8 36 6（）（）（）（）（）(1)独立计算求出商或积。（2）比较后再填空。3、解决问题完成练习十二第 7 题（1）用实物投影出示主题图（2）学生自己找信息（3）解决问题并说说解决办法文档编码:CB3

3、X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB

4、3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:C

5、B3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:

6、CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码

7、:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编

8、码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档

9、编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1学习好资料欢迎下载（4）请学生说说还可以提出什么问题，共同讨论解决。四、课堂总结：通过今

10、天的学习我们又能解决哪些问题了。第三课时练习课（二）教学内容：课本第 52、53 页练习十一 812 题教学目标：1、学生能熟练地利用7、8、9 的乘法口诀进行求商。2、进一步发展学生解决问题的能力。3、培养学生仔细观察的良好学习习惯。教学重点：1、使学生熟练应用乘法口诀求商。2、会用口诀求商的技能解决实际问题。教学难点：培养学生解决问题的能力。教学过程：一、复习引入1、背诵乘法口诀表2、找几句口诀说出它的乘法和除法算式二、展开学习1、完成第 52 页第 8 题（1）出示表格文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P

11、7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1

12、P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y

13、1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10

14、Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K1

15、0Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K

16、10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10

17、K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1学习好资料欢迎下载（2）说说商是怎么求的（被除数除数=商）（3）计算并填表（4）说说每一题所使用到的口诀2、完成第 53 页第 8 题（1）学生独立完成（2）教对答案（3）体会被除数变了要使商

18、不变，则除数也应相应地变化。3、完成第 12 题（1）让学生人人参与，将得数直接写在书上。（2）在同一时间内看谁对的多。（3）树立加、减、乘、除我都会我能学好口算的信心。三、拓展应用1、完成第 9、11 题（1）出示插图仔细观察掌握信息。（2）认真分析数量关系（3）学生讨论并解决书上的问题。（4）你还能提出什么问题？四、课堂总结：第四课时解决问题教学内容：课本 P5456 页例 2、3，练习十二第 13 题文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X

19、10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3

20、X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB

21、3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:C

22、B3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:

23、CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码

24、:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编

25、码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1学习好资料欢迎下载教学目标：1、通过学生动手摆一摆，进一步理解“一个数是另一个数的几倍”的含义，体会数量之间的相依关系。2、通过分析、推理探究求“一个数是另一个数的几倍”的实际问题的一般解决方法，初步学会用转化的方法来解决简单的实际问题。3、培养学生独立思考和合

26、作交流的良好的学习习惯。教学重点：1、通过学生动手摆一摆，进一步理解“一个数是另一个数的几倍”的含义，体会数量之间的相依关系。2、初步学会用转化的方法来解决求“一个数另一个数的几倍”的实际问题的一般解决方法。教学难点：理解“一个数是另一个数的几倍”的含义，学会用转化的方法解决该类问题。教学过程：一、复习旧知1、出示题目，组织学生口答。（1）苹果有 5 个，梨的个数是苹果的3 倍，梨有多少个？板书：5 3=15（2）喜欢跑步的有 6 人，喜欢跳绳的人数是跑步的2 倍，喜欢跳绳的有多少人？文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K

27、10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10

28、K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X1

29、0K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X

30、10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3

31、X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB

32、3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:C

33、B3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1学习好资料欢迎下载板书：6 2=12 2、组织学生说一说“倍”的含义。“梨的个数是苹果的 3 倍”就是说梨的个数有 3 个苹果的个数那么多。3、小结：从上面的复习中我们可以看出如果甲

34、数是乙数的倍，那就是说甲数有个乙数那么多。反过来说，甲数有多少个乙数，就是乙数的多少倍。今天我们要继续学习有关“倍”的数学问题。二、合作探究、解决问题1、教学例 2.（1）在实物投影上展示用小棒摆的飞机。数一数用了几根小棒摆出一架飞机？（2）指导学生自己动手摆小棒。（3）引导学生仔细观察思考。并说说他们摆的小棒是教师根数的几倍？（4）如果学生再摆一架飞机这时飞机的根数是老师的多少倍。要求这些小棒的根数是老师的几倍，其实就是求15 里面有几个5，15 里面有 3 个 5，就是说 15 是 5 的 3 倍。说明“倍”是一种关系，不是单位名称，所以3 后面什么也不用写。（6）引导学生完成第54 页的

35、做一做。2、教学例 3.（1）引导学生思考。想一想怎样解决“唱歌的人数是跳舞的几倍”这个问题？文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O

36、4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5

37、O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O

38、5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4

39、O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM

40、4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 Z

41、M4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4

42、ZM4O5O4A2R1学习好资料欢迎下载（2）引导学生独立解决该问题。（3）让学生说出自己的想法和算式，并组织学生进行集体订正。（4）引导学生完成第55 页做一做。三、巩固练习引导学生完成书本第56 页 1、2、3 题。组织学生进行集体订正，必要时进行讲解。四、课堂总结第五课时练习课（三）教学内容：课本第 57、58 页练习十二 48 题教学目标：1、学生进一步理解“一个数是另一个数的几倍”的含义，体会数量之间的相依关系。2、能用转化的方法来解决求“一个数是另一个数的几倍”的实际问题的一般解方法。教学重点：使学生经历从实际问题中抽象出一个数是另一个数的几倍的数量关系过程并会解决实际问题。教学难

43、点：理解“一个数是另一个数的几倍”的含义，学会用转化的方法解决该类问题。文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:C

44、B3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:

45、CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码

46、:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编

47、码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档

48、编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文

49、档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1文档编码:CB3X10K10Y1P7 HA7H2C8V10V4 ZM4O5O4A2R1

50、学习好资料欢迎下载教学过程：一、复习引入1、口算：24 6 56 8 32 4 6 7 2、口答：56 是 7 的几倍？18 是 6 的几倍？二、展开学习1、用投影出示练习十二第4 题（1）解答兰圆是红圆数目的几倍？你是怎么想的？（2）请你给每一行的圆涂上两种不同的颜色。根据你涂的情况你能提出哪些问题。放手让学生自己涂，自己找出他们之间的数量关系，提出不同的数学问题，完成表格。一种颜色圆片的个数另一种颜色圆片的个数你能提哪些问题2、完成练习十二第5 题独立计算，集体校对，通过加、减、乘、除的口算练习提高学生的口算能力。3、完成练习第 6 题（1）仔细观察插图，说说有哪些信息，有哪些问题。（2）