当前位置:首页>课件>【课件分享007】几何-《正方体展开图》 谁当正面你说了算——6只小动物陪你练空间想象

【课件分享007】几何-《正方体展开图》 谁当正面你说了算——6只小动物陪你练空间想象

  • 2026-06-15 17:44:35
【课件分享007】几何-《正方体展开图》 谁当正面你说了算——6只小动物陪你练空间想象

🧸 小虎、小兔、小牛、小猴、小猪、小龙,都站在一张“纸板”上。它们等着你来决定谁做正面?

这不是一道固定的题目,而是一个可以自由探索的展开图实验场。6个小动物站在6个面上:小虎、小兔、小牛、小猴、小猪、小龙你想让谁当正面,谁就是正面你想先折谁,就点谁——没有固定顺序,没有对错步骤。


🎮 怎么玩?

1️⃣ 打开课件,看到一张展开图

       六个格子,每个格子一个动物。      全部平铺在屏幕上,像一张拆开的盒子纸板。

2️⃣ 第一步:选一个动物当“正面”

  • 任意单击其中一个动物(比如小猴)。

  • 课件会把这个动物所在的格子标记为正面(高亮)。

  • 这一步告诉电脑:“我要从这个面开始折叠。”

3️⃣ 第二步:自由折叠其他面

  • 在选定正面之后,其他5个动物格子都可以随时单击

  • 单击任意一个动物 → 这个格子就会自动折叠到对应的位置上(像一个面翻起来)。

  • 没有顺序要求:你可以先折小猪,再折小龙,或者先折小牛……

  • 每点一下,只折叠那一个面,其他面保持不动。

4️⃣ 继续折叠,直到全部合拢

  • 把剩下的5个面按你喜欢的顺序逐个单击,每次折叠一个。

  • 最后会变成一个完整的正方体,6个动物各在其位。

  • 你可以看到:你最开始选的正面(如小猴)始终在前面,其他动物依次围合。

5️⃣ 换一个正面,重新开始

  • 想要换一个动物当正面?

  • 点击课件上的 “播放” 出现一张新的卡继续新的这的或

  • 或者单击“还原”按钮,确定另一个动物(如小虎)作为新正面,课件会重置展开图,让你重新折叠。

  • 这样6个动物都可以轮流当正面,每一次折叠路径都不一样。


🧠 这样玩能学到什么?

✅ 打破“唯一顺序”的思维定式—— 原来折叠正方体不是只有一种步骤,可以在不同正面下尝试不同路线。

✅ 真正理解“相对面”与“相邻面”—— 当你自由折叠时,会自然发现:有些面无论怎么折都会相对,有些面始终挨着。

✅ 培养空间想象与操作自信—— 不用怕“点错”,没有标准答案,每个孩子都可以按自己的节奏折叠


📌 一句话总结操作

先点一个动物定正面,再逐个单击其他动物随意折叠。想换正面就重置(或直接点新动物),六个动物都能当“主角”。


📥如何获取?

  • 复制下方链接到浏览器打开引用

    https://qingtaoshu2026.cn/course/a000B6q1

📢使用提示

➡️本课件为 Flash 课件,不支持公众号直接跳转。

➡️已通过播放器转换,可直接在浏览器中打开请耐心等待加载

➡️如果画面偏小,请用浏览器的 缩放功能(Ctrl + 加号)调整大小。

课件会保持高清。

➡️操作过程中如遇问题,欢迎留言反馈。


❤️ 互动与版权

  • 本课件为原创,免费供课堂教学使用,请勿商用,转载注明出处。

  • 欢迎留言许愿下一款互动课件。

  • 觉得有用,请转发给身边的数学老师朋友~

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  1. CONNECT:[ UseTime:0.000437s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000522s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000241s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000286s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000463s ]
  6. SELECT * FROM `set` [ RunTime:0.000213s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000608s ]
  8. SELECT * FROM `article` WHERE `id` = 504016 LIMIT 1 [ RunTime:0.000452s ]
  9. UPDATE `article` SET `lasttime` = 1782629693 WHERE `id` = 504016 [ RunTime:0.011616s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000293s ]
  11. SELECT * FROM `article` WHERE `id` < 504016 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000593s ]
  12. SELECT * FROM `article` WHERE `id` > 504016 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000376s ]
  13. SELECT * FROM `article` WHERE `id` < 504016 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001339s ]
  14. SELECT * FROM `article` WHERE `id` < 504016 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000754s ]
  15. SELECT * FROM `article` WHERE `id` < 504016 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001097s ]
0.087815s