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幼儿园中班教师:社会:数字在我身边教案+PPT课件备课图片

  • 2026-06-23 17:08:57
幼儿园中班教师:社会:数字在我身边教案+PPT课件备课图片

中班社会活动:数字在我身边

一、活动目标: 

1、感受数字在生活中的应用,初步了解各种数字表示的不同含义。 

2、体验发现的乐趣,对生活中的数字有识别兴趣。

二、活动准备:幼儿收集的资料、ppt课件

三、活动过程:

(一)导入激趣 

1、(播放音乐)小朋友,你们听到了什么呀?(数字) 

2、今天,数字宝宝要来和我们一起做游戏,你们开心吗? 

(二)信息交流、了解身边的数字 

“前些天,我们小朋友和爸爸妈妈一起记录了许多身边的数字,今天我们就一起来看一看,请把你发现的数字告诉大家,说说它们都表示了什么意思?”

 1、幼儿交流,师及时回应。 

2、小结:我们小朋友发现了身边这么多的数字,有车牌、公交站牌、门牌、限速标志上的数字,有的数字还表示价钱、时间等等,这些数字表示的不同意思,在人们生活中起着很多指示的作用。 

(三)观看录像、找不同的数字 

“老师最近也发现了一些数字,就在下面的这段录像里,请你们仔细地看一看、听一听、找一找。” 

 刚才在录像里你们都看到了什么?(电梯、听天气预报、鞋子)

 2、 你们发现了哪里有数字呢?

★ 电梯: 

①我按了上行按钮的上面的数字是什么意思?(当前楼层是2楼) 

(红色的数字)这些一直变化的数字表示什么意思呢?(告诉人们你现在到了第几层) 

小结:电梯里有从小到大排列的数字,它告诉我们大楼的层次,要到几楼就按几。还有一个数字表示这部电梯一共可以称多少人,叫做载客量,如果电梯里的人数超过这个数字电梯就会发出警报声响,不能正常运行。 

★天气预报: 

①在天气预报里,你听到了哪些数字呢? 

(20、16)这些数字表示什么意思?(最高、最低温度) 

(4)它又表示什么呢?(紫外线指数)

(80-98)它们又表示什么呢?(相对湿度,空气湿度)

小结:天气预报当中也有许多数字,这里的数字表示的是温度、紫外线指数等各种情况,让人们为第二天的穿衣、外出工作做好各项准备。

★汽车速度表: 

①图片里的汽车速度表上有半圈数字。

②红色指针指的两个数字表示什么意思呢? 

小结:速度表上的数字是表示快、慢的,数字越大说汽车的行驶速度越越快,数字越小说明速度越慢。 

3、小结:数字时时刻刻出现在我们的生活中,只要我们留心发现,数字就会给我们带来许多的帮助。 

请幼儿找找教师里出现的数字,说说它们的含义。          小结 请幼儿认真关注生活中遇到的符号,并且理解它们的意思。

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  1. CONNECT:[ UseTime:0.001025s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001464s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000704s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.018577s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001480s ]
  6. SELECT * FROM `set` [ RunTime:0.004475s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001563s ]
  8. SELECT * FROM `article` WHERE `id` = 515216 LIMIT 1 [ RunTime:0.005988s ]
  9. UPDATE `article` SET `lasttime` = 1782223337 WHERE `id` = 515216 [ RunTime:0.007621s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000811s ]
  11. SELECT * FROM `article` WHERE `id` < 515216 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.028600s ]
  12. SELECT * FROM `article` WHERE `id` > 515216 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001128s ]
  13. SELECT * FROM `article` WHERE `id` < 515216 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.010127s ]
  14. SELECT * FROM `article` WHERE `id` < 515216 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.084295s ]
  15. SELECT * FROM `article` WHERE `id` < 515216 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.012777s ]
0.345554s