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3D魔方教学课件|三阶魔方结构与 U D L R F B 转动记号,一节课讲透

  • 2026-10-11 18:24:05
3D魔方教学课件|三阶魔方结构与 U D L R F B 转动记号,一节课讲透

3D魔方教学课件|三阶魔方结构与 U D L R F B 转动记号,一节课讲透

本课件是一份可拖拽旋转的三维魔方教学课件,面向社团课、AI 课堂与竞赛活动,用一课时讲清三阶魔方的结构与转动记号。浏览器打开即可全屏投屏。

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一、课件内容

共 4 页,围绕"看懂魔方"这一件事展开:

• 走进魔方的世界:三阶魔方与六面标准配色(上白下黄、前绿后蓝、右红左橙)

• 认识三阶魔方:26 个可见小块的三类划分——中心块 6、棱块 12、角块 8,各自的颜色数量与能否移动

• 学会转动记号:六个面与 U / D / L / R / F / B 的对应关系,顺时针与逆时针(带 ')的区别

• 自由练习台:打乱、复原回放、自动旋转、回到标准视角,附步数与状态显示

▲ 走进魔方的世界:六色标准配色,全程可以用鼠标拖着看

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二、课件特点

1. 真三维魔方,可拖拽、可转动

魔方由 26 个独立的三维小块构成,不是贴图轮播。按住空白处拖动 = 旋转视角看背面,滚轮缩放;按住色块拖动 = 直接转动那一层。转动过程是真实的 90° 动画。

2. 三类块"点一点就亮"

页面左侧设四个按钮:全部小块 26、中心块 6、棱块 12、角块 8。点击后魔方上对应的块亮起、其余变暗,位置、数量、颜色种类一次看清,不必靠背诵。

课件同时点明一条关键结论:中心块不能移动,但它决定这一面最终是什么颜色——"拼一面"其实就是"对中心块"。

▲ 认识三阶魔方:点一下,对应的块亮起、其余变暗

3. 转动记号配实时提示

六个面排成表格,每行两个按钮(顺时针 / 逆时针)。鼠标悬停时魔方对应的层同步亮起,点击即执行一次 90° 转动,屏幕上方用大字显示当前动作与中文说明,并提供"撤销上一步"。

课件特别标注了方向判断依据:要"正对着这个面看"——U 为俯视顶面按顺时针,D 为仰视底面按顺时针。

▲ 学会转动记号:悬停亮层 + 大字提示,顺时针与逆时针分列

4. 练习台:打乱、复原、键盘操作

点"打乱"随机转动 20 步供自由练习;点"复原"会按操作记录倒序回放,将魔方带回初始状态。键盘同样支持:U D L R F B 为顺时针,Shift + 字母为逆时针,Backspace 撤销。

▲ 自由练习台:打乱、复原倒放、自动旋转,并显示步数与状态

5. 课堂使用友好

• 全屏演示,可配合手写标注圈画讲解

• 单个 HTML 文件,浏览器打开即用,无需安装插件

• 可拷贝到班班通等设备离线播放

• 支持鼠标拖动旋转与滚轮缩放,讲解各面时不需要来回切图

· · ·

三、适用对象

• 社团课 / 活动课:一课时讲完魔方结构与转动记号,学生边听边在屏幕上转

• AI 课堂、公开课、竞赛课:需要一个能动手的 3D 互动环节

• 竞赛活动与魔方兴趣小组:统一记号口径,便于后续教学与比赛

• 家长带孩子入门:不必先买实体教具,先把"哪块是哪块"弄明白

课件涵盖的是三阶魔方的结构与记号,不涉及完整复原公式,用于为后续还原学习打基础。

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📚 课件信息卡

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🔖 标题:3D魔方教学课件

📐 学科:竞赛活动 📦 课型:实验课(互动实践)

📖 单元:三阶魔方认知与转动记号

🎯 难度:入门 ⏱ 课时:1 课时 💰 价格:免费

· · ·

🔍 关键词:3D魔方教学课件 三阶魔方 转动记号 U D L R F B 中心块 棱块 角块 社团课

🔗 课件直达:https://yizhichan.cc/c/58

👇 想直接打开课件?

点击本文左下角【阅读原文】,一键跳转课件页面,即点即用!

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  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000865s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000434s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000319s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000558s ]
  6. SELECT * FROM `set` [ RunTime:0.000265s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000648s ]
  8. SELECT * FROM `article` WHERE `id` = 534039 LIMIT 1 [ RunTime:0.000366s ]
  9. UPDATE `article` SET `lasttime` = 1791886056 WHERE `id` = 534039 [ RunTime:0.001378s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000313s ]
  11. SELECT * FROM `article` WHERE `id` < 534039 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000423s ]
  12. SELECT * FROM `article` WHERE `id` > 534039 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000421s ]
  13. SELECT * FROM `article` WHERE `id` < 534039 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000642s ]
  14. SELECT * FROM `article` WHERE `id` < 534039 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000559s ]
  15. SELECT * FROM `article` WHERE `id` < 534039 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000498s ]
0.093631s