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有用的点点_数学教案_中班_PPT课件(互动版)

  • 2026-04-03 10:12:56
有用的点点_数学教案_中班_PPT课件(互动版)

幼儿园课件套餐

有用的点点

中班 数学

活动目标

能用圆点等图形符号表示15以内的数量。

能将物体的数量和相应的数字和圆点配对。

活动准备

课件准备:“找礼物”情景图片;“小瓢虫回家”图片;“水果店”图片。

纸面教具:《水果连一连》《丰收的果园》。

活动过程

出示情景图片“找礼物”,引导幼儿理解数字和圆点符号之间的对应关系。

——美美老师给小朋友们准备了很多礼物。每个礼物盒上都贴着什么?(数字)

——每个小朋友手上都拿着什么?(圆点卡片)

——猜猜礼物盒上的数字和圆点卡片有什么关系呢?(卡片上有几个圆点就代表数字几。)

——请你数数小朋友手上的圆点,帮他们找到对应的礼物吧!

小结:卡片上的圆点数量可以用相应的数字表示。比如卡片上有4个圆点,就可以用数字4表示。

出示图片“小瓢虫回家”,引导幼儿进一步巩固圆点计数。

——森林里有一群小瓢虫迷路找不到自己的家了。请你数数小瓢虫身上的圆点数量,找到对应数字的小树屋,送它们回家吧!

小结:圆点数量有多少,就用数字多少表示。

出示图片“水果店”,分发纸面教具《水果连一连》,引导幼儿将物体数量与数字、圆点符号联系起来。

1.出示图片,讲解情境。

——熊猫奇奇的水果店进了一大批水果,水果太多,他数不过来。请你帮他数一数,水果各有几个?

2.分发纸面教具,请幼儿将水果与对应的圆点和数字连在一起。

3.操作课件,验证猜想。

小结:物品的数量可以用相应的圆点表示,也可以用数字表示。比如物品的数量是6,可以用6个圆点表示,也可以用数字6表示。

出示纸面教具《丰收的果园》,引导幼儿用图形符号来记录数量。

1.发放纸面教具《丰收的果园》,鼓励幼儿用自己喜欢的图形符号来记录数量。

——奇奇妙妙的果园丰收了,结出了许多水果,请你用自己喜欢的图形来帮助他们记录每种水果的数量吧。

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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:0.001153s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001773s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001493s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.011121s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001408s ]
  6. SELECT * FROM `set` [ RunTime:0.007234s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001606s ]
  8. SELECT * FROM `article` WHERE `id` = 475781 LIMIT 1 [ RunTime:0.007233s ]
  9. UPDATE `article` SET `lasttime` = 1775725539 WHERE `id` = 475781 [ RunTime:0.028004s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.007801s ]
  11. SELECT * FROM `article` WHERE `id` < 475781 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007066s ]
  12. SELECT * FROM `article` WHERE `id` > 475781 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002050s ]
  13. SELECT * FROM `article` WHERE `id` < 475781 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004296s ]
  14. SELECT * FROM `article` WHERE `id` < 475781 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027077s ]
  15. SELECT * FROM `article` WHERE `id` < 475781 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017576s ]
0.293879s