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寻找宝藏互动课件:会做路线题,不等于认得路 (人教版四年级数学)

  • 2026-10-31 02:26:44
寻找宝藏互动课件:会做路线题,不等于认得路 (人教版四年级数学)
四年级数学 ·综合实践(课件使用视频在文末)

「寻找宝藏」:会做路线题,不等于认得路

     寻找宝藏问题不在背——东南西北谁都会背。难的是面朝一个方向时,还能说清别的方向在哪。纸上的"上"永远是北,可孩子一转身,他的"上"就变了。这两件事对不上,题就做错。所以,我打算不先做题,先让孩子在一个"校园"里走起来。

三个小人、十个地方:食堂、教学楼、操场、升旗台、图书馆……

第一步,先把校园认熟

上课先不谈方向。先让孩子看这个校园跟自己的学校像不像:有没有操场?有没有升旗台?操场在你教室的哪边?跟自己的校园对上号,后面说的每一句话才有落点。

第二步,让他自己走

选一个小人,按左下角的方向键,八个方向随便走。走两步停下来问一句:"你现在面朝北,图书馆在你左手边还是右手边?"再让他转身,看答案变不变。让他转三次,比讲三节课管用。

左边面板会把孩子说的路线一条条记下来

第三步,埋宝藏

点"标记",在操场上埋几个宝藏,同桌一组:一个只许用嘴——"先向北走,到图书馆;再向东走,到教学楼";另一个照着走。说错了就走不到,走不到就得回头改口。改口的那一下,方向才算真的通了。

顺带说一句:右上角的指南针可以点开放大,红针指北。动手之前,先让孩子把它看明白。

操场里埋了三个宝藏,等孩子按指令去找

别忽略那个"平面"按钮

三维校园走熟了,点"平面"切过去,是一张二维藏宝图,上北下南——这正好对上课本里的平面图。从"站在校园里"到"看一张纸",中间这一跳,就靠它补上。

2D 藏宝图,上北下南,和课本平面图对上

一个小提醒

别一上来就放手。如果班上孩子坐不住,先带全班走一遍、示范埋一个宝藏,再放同桌两个人玩——顺序反了,课堂容易变成赛跑现场。

课件在哪里打开?

课件主页 mitushuxue.top
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  1. CONNECT:[ UseTime:0.000682s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001303s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000446s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000312s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000537s ]
  6. SELECT * FROM `set` [ RunTime:0.000279s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000700s ]
  8. SELECT * FROM `article` WHERE `id` = 535528 LIMIT 1 [ RunTime:0.000705s ]
  9. UPDATE `article` SET `lasttime` = 1794176901 WHERE `id` = 535528 [ RunTime:0.001590s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000399s ]
  11. SELECT * FROM `article` WHERE `id` < 535528 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000585s ]
  12. SELECT * FROM `article` WHERE `id` > 535528 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000392s ]
  13. SELECT * FROM `article` WHERE `id` < 535528 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000614s ]
  14. SELECT * FROM `article` WHERE `id` < 535528 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000581s ]
  15. SELECT * FROM `article` WHERE `id` < 535528 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000686s ]
0.089922s