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大班数学活动教案:按规律排序

  • 2026-06-29 05:05:03
大班数学活动教案:按规律排序


一、设计意图
《3-6岁儿童学习与发展指南》指出,大班阶段幼儿应初步感知生活中数学的有用和有趣,能发现事物简单的排列规律,并尝试创造新的排列规律。大班阶段幼儿已经积累和建立了有关物体在颜色、形状、大小等特征差异方面排序的数学经验,能通过观察发现一定的规律,可以更进一步的学习按照物体量的差异和数量的不同进行排序。本次活动《按规律排序》以城堡闯关的情节激发兴趣,同时引导幼儿通过观察、探索发现不同的排列规律,并尝试自主设计排列规律。通过操作游戏锻炼幼儿观察能力,提升他们对规律排列的认识。
二、活动目标
1.体会数学的生活化,体验数学游戏的乐趣
2.观察发现图形排列的ABBA和递增规律规律,知道按规律排序(重点)
3.能观察、推理出排序规律后填充图形,并尝试自主设计新的排序模式。(难点)
三、活动准备
1.知识经验准备:幼儿有初步的排序经验
2.物质材料准备:PPT课件、游戏材料
四、活动过程:
(一)故事导入,激发兴趣:
在森林里住着一个小男孩,有一天他迷路了,他寻找回家的路的过程中,遇到了几道难关。小朋友们,我们一起帮助他吧!
(二)初步探索,寻找规律:
1.小男孩来到一座城堡,大门上提示:找到不一样的门钉用力推才可以打开大门。
(提示幼儿仔细观察发现两边的两串小球,红黄红黄红黄,是按规律排列的,中间的这一串是没有按规律排列的。)
2.小男孩来到了第二关,只见天梯高得看不到尽头,只有一条路能通行,但这条路断开了,必须找出正确的珠子填补道路,才能顺利通过。
引导幼儿用切割的方法发现ABBA的排序规律,完成铺路闯关。
3.小男孩终于来到了第三关,发现许多宝箱,可是到底哪一把钥匙才能打开宝箱呢?
引导幼儿仔细观察钥匙的排列规律,发现两把钥匙,红色不变,黄色一个一个有规律地在增加,理解递增规律。
(三)拓展规律,设计规律
    1.小男孩在城堡各个关卡里分别找到了几种不同的排序方法,现在请小朋友闯一下关,看看到底应该怎么过关.
     出示图例,巩固认识ABBA和递增规律,并按规律进行图案延伸。
     2.设计规律:为了避免再迷路,小男孩要在森林里铺一条小路做标记,他准备了几种不同颜色的瓷砖,请大家为他设计一条有规律的小路。
(提供不同颜色的贴纸卡片,幼儿为小男孩设计一条“规律小路”,要求地砖排列整齐规律清晰,鼓励幼儿创新规律排序方法)
3.展示幼儿设计成果,并请部分幼儿讲解自己设计的规律。
五、活动延伸
    小朋友们,其实生活中,不仅有图形、颜色、数量之间的规律,还有很多其他方面的规律,回家以后和爸爸妈妈一起讨论下,看看在我们生活的周围还有什么规律,明天来了分享给大家!

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  1. CONNECT:[ UseTime:0.001032s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001736s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001124s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.007353s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001486s ]
  6. SELECT * FROM `set` [ RunTime:0.003085s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001534s ]
  8. SELECT * FROM `article` WHERE `id` = 502464 LIMIT 1 [ RunTime:0.019385s ]
  9. UPDATE `article` SET `lasttime` = 1782826057 WHERE `id` = 502464 [ RunTime:0.008000s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.001047s ]
  11. SELECT * FROM `article` WHERE `id` < 502464 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001177s ]
  12. SELECT * FROM `article` WHERE `id` > 502464 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.015000s ]
  13. SELECT * FROM `article` WHERE `id` < 502464 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001675s ]
  14. SELECT * FROM `article` WHERE `id` < 502464 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002979s ]
  15. SELECT * FROM `article` WHERE `id` < 502464 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.024740s ]
0.183577s