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湘教版3年级综合实践活动教案和课件ppt,可备课编辑

  • 2026-04-03 13:14:33
湘教版3年级综合实践活动教案和课件ppt,可备课编辑
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湘教版3年级综合实践活动教案和课件ppt,可备课编辑

《奇妙的绳结》综合实践活动教案

一、基本信息

  • 学科:综合实践活动

  • 年级:三年级上册

  • 课题:奇妙的绳结

  • 课时:1 课时(40 分钟)

  • 设计者:[教师姓名]

  • 授课日期:[具体日期]

二、教学目标

  1. 知识与技能

    • 了解绳结的起源(结绳记事)及其在生活中的广泛应用。

    • 认识几种常见的绳子(棉绳、麻绳、尼龙绳)和制作绳结的简单工具(剪刀、卷尺等)。

    • 学会三种基础绳结(单结、平结、双套结)的打法,并理解其基本用途。

    • 能够发挥创意,尝试用所学绳结制作简单的饰品或进行物品装饰。

  2. 过程与方法

    • 通过观察、讨论、动手操作等方式,激发学生对绳结的探究兴趣。

    • 在教师的示范和指导下,通过模仿、练习,掌握绳结的基本编织技巧。

    • 培养学生的动手实践能力、观察能力和空间想象能力。

  3. 情感态度与价值观

    • 感受中国传统绳结文化的魅力,培养民族自豪感。

    • 体验劳动创造美的乐趣,培养耐心、细心和克服困难的精神。

    • 培养学生的创新意识和审美情趣,乐于用所学知识美化生活。

    • 树立安全使用工具的意识。

三、教学重难点

  • 教学重点

    1. 了解绳结在生活中的应用。

    2. 学会单结、平结、双套结的打法。

  • 教学难点

    1. 平结的编织技巧和对称美感的把握。

    2. 引导学生将所学绳结进行创意应用。

四、教学准备

  1. 教师准备

    • 多媒体课件(PPT):包含绳结历史、用途、工具介绍、步骤分解图、创意作品欣赏等内容。

    • 实物准备:各种颜色和材质的绳子(棉绳、麻绳、尼龙绳)若干,剪刀、卷尺、打火机(教师用)、不同粗细的棍子或铅笔(用于练习双套结)。

    • 示范作品:用单结、平结、双套结制作的手链、钥匙扣、中国结挂饰等。

  2. 学生准备

    • 每人准备 2-3 根彩色棉绳(长约 50 厘米)。

    • 安全剪刀(可选,教师统一准备亦可)。

五、教学过程

(一) 创设情境,导入新课 (约 5 分钟)

  1. 故事导入

    • 教师播放 PPT 中 “结绳记事” 的卡通图片,并讲述:“同学们,在很久很久以前,还没有我们现在用的文字,你们知道我们的祖先是用什么方法来记录事情的吗?”

    • 引导学生观察图片并自由发言。

    • 教师总结并引出课题:“是的,他们用绳子打结的方法来记录,这叫做‘结绳记事’。小小的绳结,不仅能记录历史,在我们今天的生活中也有很多奇妙的用处。今天,就让我们一起走进‘奇妙的绳结’世界,探索它的奥秘吧!”(板书课题:奇妙的绳结)

(二) 探究新知,了解绳结 (约 7 分钟)

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  1. CONNECT:[ UseTime:0.000406s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000605s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000295s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000270s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000514s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000526s ]
  8. SELECT * FROM `article` WHERE `id` = 470061 LIMIT 1 [ RunTime:0.006037s ]
  9. UPDATE `article` SET `lasttime` = 1775727970 WHERE `id` = 470061 [ RunTime:0.017078s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.004029s ]
  11. SELECT * FROM `article` WHERE `id` < 470061 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000623s ]
  12. SELECT * FROM `article` WHERE `id` > 470061 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000683s ]
  13. SELECT * FROM `article` WHERE `id` < 470061 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001982s ]
  14. SELECT * FROM `article` WHERE `id` < 470061 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001150s ]
  15. SELECT * FROM `article` WHERE `id` < 470061 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000822s ]
0.109667s