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三下数学公开课|《认识周长》精品PPT 教案

  • 2026-11-05 17:34:26
三下数学公开课|《认识周长》精品PPT 教案

三下数学公开课|《认识周长》精品PPT 教案

整套包含👉19 页精美 PPT + 详细教案 + 逐字讲稿 + 配套学习单，一站式配齐，新手老师也能轻松拿捏课堂节奏！
🎨PPT 画风超讨喜
3D 卡通质感超清新，场景设定是 “小明周末公园奇妙探索”，贴合孩子认知，瞬间把枯燥的数学概念变有趣！从 “魔法描边师” 入门，到绕圈法、尺测法、滚动法三大测量技巧，再到挑战环节，每一页都童趣满满，娃上课注意力直接拉满📐
不管是公开课、常态课都超拿得出手，备课焦虑的老师直接闭眼冲，这套真的是早买早享受！💯
#三年级数学[话题]##认识周长[话题]# #教学PPT[话题]##数学公开课[话题]# #数学课件[话题]# #小学数学[话题]# #长方形和正方形的周长[话题]# #课件[话题]# #公开课[话题]#

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广东,32分钟前,
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2个压缩PPT的小方法,轻松减小文件大小

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000476s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000601s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000333s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000350s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000531s ]
  6. SELECT * FROM `set` [ RunTime:0.000268s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000632s ]
  8. SELECT * FROM `article` WHERE `id` = 506281 LIMIT 1 [ RunTime:0.000341s ]
  9. UPDATE `article` SET `lasttime` = 1793979636 WHERE `id` = 506281 [ RunTime:0.000951s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000301s ]
  11. SELECT * FROM `article` WHERE `id` < 506281 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000398s ]
  12. SELECT * FROM `article` WHERE `id` > 506281 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000342s ]
  13. SELECT * FROM `article` WHERE `id` < 506281 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000468s ]
  14. SELECT * FROM `article` WHERE `id` < 506281 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000458s ]
  15. SELECT * FROM `article` WHERE `id` < 506281 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000552s ]
0.085494s