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五年级数学|《同分母分数加减法》精品 PPT

  • 2026-05-19 04:14:41
五年级数学|《同分母分数加减法》精品 PPT

五年级数学｜《同分母分数加减法》精品 PPT

✨ 资源亮点
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✅ 从故事导入→规律探究→闯关练习，环节完整，上课不用临时凑教案
✅ 自带教案 + 逐字讲稿 + 可打印学习单，备课直接躺平，新手老师也能 hold 住
✅ 互动练习、生活应用题全覆盖，兼顾基础 + 拔高，课堂不冷场
🍪 课堂超好用的设计
用 “爸爸吃 3/8 张披萨，妈妈吃 1/8 张” 的生活场景导入，小朋友瞬间代入
巧克力分块演示加减法，一眼看懂 “分母不变，分子相加减” 的核心规律
配套闯关小游戏 + 生活应用题，边玩边练，再也不怕孩子算不对！
需要同主题的分数教学资源，或者想改个别的主题，都可以喊我哦～
#小学数学[话题]# #同分母分数加减法[话题]# #教师备课[话题]#  #小学数学公开课[话题]# #数学课件[话题]##数学公开课[话题]# #优质公开课[话题]# #五年级数学[话题]#

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  1. CONNECT:[ UseTime:0.000460s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000880s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000310s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006289s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000999s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000915s ]
  8. SELECT * FROM `article` WHERE `id` = 508244 LIMIT 1 [ RunTime:0.000511s ]
  9. UPDATE `article` SET `lasttime` = 1779160858 WHERE `id` = 508244 [ RunTime:0.013332s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000476s ]
  11. SELECT * FROM `article` WHERE `id` < 508244 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000768s ]
  12. SELECT * FROM `article` WHERE `id` > 508244 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000525s ]
  13. SELECT * FROM `article` WHERE `id` < 508244 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000833s ]
  14. SELECT * FROM `article` WHERE `id` < 508244 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002717s ]
  15. SELECT * FROM `article` WHERE `id` < 508244 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009590s ]
0.117217s