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小学北师大说课课件深度复盘讲透“试商”

  • 2026-08-11 11:28:52
小学北师大说课课件深度复盘讲透“试商”

说课课件深度复盘讲透“试商”（附完整逻辑链）

他们是怎么算159÷28的？为什么有人要试7次？

基于数据，深研教材，构建了“麻烦→需求→探究→验证”的教学闭环。

核心亮点在于“提供除法学习历程支架”，让学生从“关注被除数”转向“关注除数”，自发领悟“估商”的本质。还有AI诊断环节加持，精准定位学生思维卡点。

这才是新课标倡导的“推理意识”培养！（课件页数太多，仅展示了部分）

 #新课标数学 #运算一致性 #说课比赛 #小学数学教研 #数感培养 #教师成长 #公开课课件 #教学设计

承蒙各位朋友的关注，让我们笔耕不辍，各位关注“笔尖研究”后台后，有需要写作相关的帮助均可以联系我们（详情戳我了解），绝无套路，用心写作。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

一年级看图写话公开课教案(示范课)《连接词是“故事路标”——用“后来/突然/于是/因为…所以…”让写话立刻有顺序有情节》

【2027年高考生物一轮复习课件】第30讲:基因分离定律拓展题型突破(公开课ppt)

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  1. CONNECT:[ UseTime:0.001003s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001368s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.005064s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001206s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001626s ]
  6. SELECT * FROM `set` [ RunTime:0.000781s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001615s ]
  8. SELECT * FROM `article` WHERE `id` = 522930 LIMIT 1 [ RunTime:0.007225s ]
  9. UPDATE `article` SET `lasttime` = 1786426994 WHERE `id` = 522930 [ RunTime:0.007921s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.003211s ]
  11. SELECT * FROM `article` WHERE `id` < 522930 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.010688s ]
  12. SELECT * FROM `article` WHERE `id` > 522930 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005057s ]
  13. SELECT * FROM `article` WHERE `id` < 522930 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.014845s ]
  14. SELECT * FROM `article` WHERE `id` < 522930 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012874s ]
  15. SELECT * FROM `article` WHERE `id` < 522930 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013181s ]
0.263025s