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1、学习必备欢迎下载教学内容（课题）课题：比较大小自主练习教学内容：14-15 页自主练习设计者第 2 单元信息窗 2总第课时教学目标1、巩固 100 以内数的意义，会熟练、正确地读写100以内的数。2、巩固 100以内数的比较。3、会根据具体情况做出合理判断。教学重难点会熟练、正确地比较100以内的数的大小。教学准备计数器。教学过程设计步骤师生活动过程二次备课（动态修改）一、复习旧知比较大小37 和 45 68和 29 76和 67 27和23 65 和 69 60和 80 根据学生的练习情况，让学生理解：我们在读数和写数时，都从高位起。二自主练习1、自主练习 1 题。请小朋友们先认真观察计数器
2、，再填一填，在 复 习 旧 知识时，要小结一 下 两 个 两位 数 比 较 大小的方法：先看 十 位 上 的数，十位上的数大，这个两位数就大，十位 上 的 数 相同，再看个位学习必备欢迎下载比一比。先让学生独立填写，教师巡视。指名回答，集体交流。2、自主练习 3 题。数的组成练习题师：你会填吗？试一试。先让学生独立探索，然后小组合作，小组合作时，让学生充分说出自己的想法。最后集体交流。（1）学生独立完成此题（2）提问：第二三题怎样填？（答案不唯一）3、自主练习第 4 题填数练习（1）学生观察每组数有什么排列规律？（2）独立填写。（3）小组交流，汇报按什么规律填写？4、自主练习第 5 题数的排序
3、练习。（1）教师指导：根据要求先选最小的数，选到谁就在原数上圈出来并填在括号里，再从剩余的数中选出最小的数，以此类推，以保证不重复也不遗漏。（2）学生按照老师教的方法试着做。（3）交流答案。5自主练习第 7 题百数表数，个位上的数大的就大。自主练习第4题规律：第一个：一个一个的数。第二个：5 个5 个的数。第三个：10 个10 个的倒着数。文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:C
4、C3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD
5、1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI
6、4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码
7、:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5
8、HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7
9、ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档
10、编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3学习必备欢迎下载（1）学生观察百数表独立填写。（2）小组合作探究百数表中的排列规律，汇报交流。（3）教师随机指定行或列读数，按指定的十位或个位上是几读数。三拓展练习1、自主练习 6 题。先让学生认真观察，小云拍了40 下，小涛拍的比小云多得多，小珍拍的比小云少一些，小涛可能拍多少下？小珍可能拍多少下？在你认为正确的答案下画“”让学生独立探索，对有困难的学生可让他们多人合作。然后让学生说一说是怎么想的？鼓励学生到前面来跟大家说说他的想法？学生交流。2、自主练习第 8 题。3、聪明小屋教师先读题，让学生理解提题意后独立思
11、考。自己想一想，写一写。把结果写下来。教师巡视，对学有困难的学生给以辅导。文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5
12、HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7
13、ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档
14、编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V
15、5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U
16、7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3
17、文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3学习必备欢迎下载最后集体交流、订正。4.按要求写数（1）个位上是 2 的两位数。（2）十位上是 5 的两位数。（3）个位和十位上数字相同的两位数。四课堂总结说一说你这节课的收获板书设计我们在
18、读数和写数时，都从高位起。文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3
19、文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D
20、9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M1
21、0U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8
22、K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D
23、7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3文档编码:CC3O3D7D9V5 HD1P4R5M10U7 ZI4E7K1G8K3