当前位置:首页>教案>幼儿园教师一一对应比多少_数学_小班_教案+纸面教具(准备礼物)+PPT课件备课图片

幼儿园教师一一对应比多少_数学_小班_教案+纸面教具(准备礼物)+PPT课件备课图片

  • 2026-04-09 12:05:58
幼儿园教师一一对应比多少_数学_小班_教案+纸面教具(准备礼物)+PPT课件备课图片

一一对应比多少

小班 数学

活动目标

l在比较活动中感受数学活动的乐趣。

l知道用加一或减一的方法可以将两组物体的数量变成一样多。

l能用一一对应的方式比较5以内数量的多少,说出“多”“”“一样多”。

活动准备

l课件准备:“小动物”图片;“坐椅子”图片;“分蛋糕”组图。

l纸面教具:《准备礼物》。

活动过程

l情境导入,激发活动兴趣。

出示图片“小动物”,创设小动物来做客的情境,激发幼儿活动兴趣。

——今天有几位动物朋友要来我们的班级做客,看看都有谁?(小熊、小狐狸、小兔、小猪)

——数一数,一共有几只小动物?

l观察图片,学习用一一对应的方法比较多少。

出示图片“坐椅子”,学习用一一对应的方法比较多少,并说出比较结果。

——老师给小动物们准备了一些椅子,怎样才能知道椅子够不够呢?

——我们请小动物们一个一个地坐到椅子上看一看吧。

——你们发现了什么?椅子和小动物一样多吗?哪个多?哪个少?(椅子和小动物一样多)

小结:想要比较两种物品的多少,我们可以像这样把它们一个一个对应好,就能看出哪个多,哪个少,或者一样多。

l学习使两组物体的数量变得一样多的方法,解决数量不一样的问题。

1.出示图片“分蛋糕-1”,了解用加上1个的方法使两组物体的数量变得一样多。

——小动物们都坐好啦,请它们吃些美味的蛋糕吧。

——蛋糕和小动物一样多吗?哪个多?哪个少?把蛋糕一个一个地分给小动物看看吧。(小动物多,蛋糕少)

——蛋糕比小动物少1个,怎样能让它们变得一样多呢?(加上一个蛋糕)

2.出示图片“分蛋糕-2”,了解用减去1个的方法使两组物体的数量变得一样多。

——再给小动物们发一些叉子用来吃蛋糕吧。

——叉子和蛋糕一样多吗?哪个多?哪个少?一起把叉子一个一个地分到蛋糕上吧。(叉子多,蛋糕少)

——叉子比蛋糕多1个,怎样能让它们变得一样多呢?(减去一个叉子)

小结:我们可以用加上一个或减去一个的方法,把两种物品变得一样多。

Ø活动建议:若有幼儿在本环节提出加上一块蛋糕的方法,教师可先按幼儿的方法进行示范,再引导幼儿思考去掉一个叉子的方法。

l练习一一对应比较,巩固使两组物体的数量变得一样多的方法。

——老师还准备了一些好吃的水果和饼干送给小动物们,大家一起来帮忙吧。

1.发放纸面教具《准备礼物》,幼儿操作练习,教师巡回指导。

——比一比,水果多还是果篮多?用什么办法可以把它们变得一样多?

——饼干多还是盒子多?用什么办法可以把它们变得一样多?

Ø活动建议:教师可进行操作示范,引导幼儿用连线或画圈的方式比较多少,用斜杠划掉物品的方式表示减一,用添画物品的方式表示加一。

2.幼儿分享,教师操作验证。

——哪位小朋友愿意来说一说,你是怎么做的?

——一起来看看大家做得对不对吧。

小结:小动物们准备回家啦,快把准备好的礼物送给它们吧!

活动延伸

l日常活动

在分餐环节,教师可引导幼儿帮忙分餐具,将碗和勺一一对应摆放,巩固一一对应的方法。

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  1. CONNECT:[ UseTime:0.000551s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000823s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000317s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000301s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000578s ]
  6. SELECT * FROM `set` [ RunTime:0.000224s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000621s ]
  8. SELECT * FROM `article` WHERE `id` = 487924 LIMIT 1 [ RunTime:0.000478s ]
  9. UPDATE `article` SET `lasttime` = 1775758886 WHERE `id` = 487924 [ RunTime:0.017829s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.005817s ]
  11. SELECT * FROM `article` WHERE `id` < 487924 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000559s ]
  12. SELECT * FROM `article` WHERE `id` > 487924 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000432s ]
  13. SELECT * FROM `article` WHERE `id` < 487924 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001026s ]
  14. SELECT * FROM `article` WHERE `id` < 487924 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000859s ]
  15. SELECT * FROM `article` WHERE `id` < 487924 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000951s ]
0.114090s