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幼儿园幼小衔接教师:数学:分蛋糕教案+PPT课件备课图片

  • 2026-06-15 09:19:41
幼儿园幼小衔接教师:数学:分蛋糕教案+PPT课件备课图片

幼小数学:分蛋糕

活动目标:

1学习给图形和实物等分。

2、尝试用等分的方法解决生活中的困难。

3、感受伙伴之间真挚而美好的友谊,愿意和朋友分享。

活动准备:

自制图书《动物王国开Party》;圆形纸片;蛋糕20只,切刀20把,小的蛋糕盘20只;背景音乐“友谊地久天长”

活动过程:

出示图书《动物王国开Party》,师幼共同阅读,引起幼儿的学习兴趣。

提问:

教师:动物王国开Party,猜猜看谁开的呢?

教师:你怎么知道的? 

分步阅读图书,学习等分

学习二等分:

谁来了?小带来了一份什么礼物?

小兔看到朋友送给它这么一个大甜饼,心里会怎么想呢? 

小猫看到小兔这么开心,心里有什么感觉? 

可是只有一只甜饼,怎么分才能让两个好朋友吃的一样多?幼儿操作后个别讲述并操作。

学习四等分:

谁来了?来了几只河马?

河马带来了什么礼物?收到河马的贺卡,小兔心里感觉怎么样?为什么?

现在甜饼有几份?有几个好朋友呢?怎么分才能让四个好朋友吃的一样多?快去帮助小兔试一试,幼儿操作后个别讲述并操作。

尝试感知八等分:

谁来了?来了几只小猪?

小猪带来了什么礼物?这是一首什么样的歌呢? 

小兔心里有什么样的感觉吗? 

现在有几个好朋友呢?甜饼有几份?怎么分才能让八个好朋友吃的一样多?大家再去试试看(幼儿操作)

三、学习经验拓展 

“动物王国里还有许多动物,他们听说小兔家开Party,都想来参加,猜猜还有谁会来?(幼儿自由讲述)小兔呢就准备了许多蛋糕准备招待朋友们,可是,他太忙了,所以想请我们大家帮忙分蛋糕,你们愿意帮助他吗?想帮忙的小朋友请听好要求哦”。

介绍操作材料,提出操作要求:

动动脑筋想一想,你想和几个好朋友分享,就切成相等的几分。分好后先不动蛋糕,回到座位上。

2、分享操作经验。并提问:你的蛋糕分成几份?他们一样多吗?

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  138. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/a.sjds.net/runtime/temp/97cad012e8e159aae2fe347a411e8351.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000655s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000919s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000362s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000281s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000508s ]
  6. SELECT * FROM `set` [ RunTime:0.000271s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000519s ]
  8. SELECT * FROM `article` WHERE `id` = 510104 LIMIT 1 [ RunTime:0.000469s ]
  9. UPDATE `article` SET `lasttime` = 1781711732 WHERE `id` = 510104 [ RunTime:0.004287s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000260s ]
  11. SELECT * FROM `article` WHERE `id` < 510104 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000365s ]
  12. SELECT * FROM `article` WHERE `id` > 510104 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000383s ]
  13. SELECT * FROM `article` WHERE `id` < 510104 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004391s ]
  14. SELECT * FROM `article` WHERE `id` < 510104 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001124s ]
  15. SELECT * FROM `article` WHERE `id` < 510104 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004193s ]
0.090474s