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人教版小学数学一年级下册《认识人民币》课件+习题!

  • 2026-04-06 20:41:42
人教版小学数学一年级下册《认识人民币》课件+习题!

教学重点、难点:

重点是认识人民币和元、角、分之间的进率。

难点是在取币,付币、找币等购物活动中,培养学生思维的灵活性,以及解决问题的能力。

教学模式:小组合作学习

教学准备:多媒体 1元以内各种面值的人民币

教学过程:

一、创设情境,导入新课

(多媒体出示超市图)今天明明家附近的超市开业了,他也去购物了,选好了自己喜爱的物品后,他来到了收银台前,准备付钱,收银员阿姨说:“买东西前要认识人民币”。同学们,今天咱们就和明明一起来学习《人民币的认识》(板书:认识人民币)

二、小组合作,认识人民币

1、 认一认

1) 小朋友面前有1个小钱袋,请你把钱袋里的人民币分类整理下,在小组内介绍一下,并说说你是怎么认识的。

2) 谁愿意将你认识的人民币向大家介绍一下?

生:这是1元。(电脑显示) 师:你怎么知道的? 生:看颜色。看数字。师:还有1元吗?  生:有。这也是1元。 师:它们一样吗? 生:不一样。这是纸币,这是硬币。 师:还有其他的想法吗?(在买东西的时候面值是一样的)  生:这是5角。 师:你怎么知道的? 生:看颜色。看数字。 师:还有5角吗? 生:有。

(根据学生的回答,媒体出示相应的人民币,将数字突出闪烁,并适时介绍人民币有纸币和硬币两种)

比较两张数字相同的人民币:他们都有1字,他们大小一样吗?为什么?(从而引出单位:元、角、分)

3) 小结:刚才我们学会了认识人民币的方法可以看数字和它后面的单位,还可以看颜色、大小等等。(找学生到讲台前用展台简单介绍下几张人民币)

4) 下面老师考考大家,(教师出示人民币,指名辨认)

5) 小组内把刚才不认识的人民币再认一认。

三、创建购物情境,巩固新知

1、 练一练

幻灯处展示几组不同的人民币,让学生进行辩认(展示学生的答案,校对订正)

2、 实践操作:事先准备好一些商品,老师今天来做个售货员,请同学们准备好正好的人民币来换取自己喜爱的东西。(学生用人民币进行购买,老师指出错误的地方)

幻灯片展示,明明在超市里购买,并说两个练习本一元钱,我给十角可以吗?由此引出:1元=10角   1角=10分   (学生验证是否正确)(电脑演示)

小结:小朋友真聪明,不管哪种方法都是付几角?10角就是多少?1元就是多少角?(板书:1元=10角    1角=10分)

3、 练一练

出示幻灯片中的题目,进行鼓励,并选出一个颁奖员进行分发奖品。

(生积极回答,师订正对错)

4、选出几位学生当售货员,把自己的数学书按照规定的价格,卖给准备正好人民币的学生。(师适当地指导)     

四、课堂小结

今天我们学习了哪些关于人民币的知识,你知道了什么?师生共同总结。

五、课后作业

以后,同学们和家长去超市购物时,一定要自己付钱。

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  1. CONNECT:[ UseTime:0.000460s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000672s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000331s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000282s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000562s ]
  6. SELECT * FROM `set` [ RunTime:0.000250s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000644s ]
  8. SELECT * FROM `article` WHERE `id` = 490639 LIMIT 1 [ RunTime:0.005380s ]
  9. UPDATE `article` SET `lasttime` = 1775487403 WHERE `id` = 490639 [ RunTime:0.003715s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002330s ]
  11. SELECT * FROM `article` WHERE `id` < 490639 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000722s ]
  12. SELECT * FROM `article` WHERE `id` > 490639 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000450s ]
  13. SELECT * FROM `article` WHERE `id` < 490639 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000641s ]
  14. SELECT * FROM `article` WHERE `id` < 490639 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006021s ]
  15. SELECT * FROM `article` WHERE `id` < 490639 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013377s ]
0.108726s