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教案边的《道德经》:复习课上的“不踮脚”智慧——兼谈“有法可依,有例可循”的教学实践

  • 2026-03-30 09:57:57
教案边的《道德经》:复习课上的“不踮脚”智慧——兼谈“有法可依,有例可循”的教学实践



今天数学是《数与式》复习的第一站,我带着学生做了一件“慢事”:不赶进度、不贪难题,而是把课本和作业本摊开,让他们当“小老师”,逐个回忆有理数、整式、分式、二次根式的核心考点。轮到分式有意义的条件时,我投影出上周测验里的典型错题:“当x=____时,分式1/(x-1)无意义”,全班异口同声喊出“1”,接着有学生补充:“上次我写成x≠1,就是把‘有意义’和‘无意义’搞混了!” 看着他们对着错题“复盘”的认真劲儿,我忽然想起《道德经》第二十四章的“企者不立,跨者不行”,这和我们教学中常说的“有法可依,有例可循”,其实是同一个道理。


在我们学校的数学教研组里,一直强调“基础先行,错题为本”。就像《数与式》这一章,学生最容易犯的错,往往不是“不会做”,而是“基础不牢”:比如整式合并同类项时漏写字母,分式化简时直接约去分母中的未知数,二次根式计算时忽略被开方数必须非负……这些错误,就像老子说的“余食赘行”——看似是“小问题”,实则是学习路上的“累赘”。所以每次复习,我都会带着学生把这些“典型错题”整理成“错题本”,让每个错误都有“例子”可对照,每个知识点都有“方法”可遵循。这就像给学生搭了一座“踏实的桥”,让他们不用“踮脚”就能跨过障碍,不用“跨大步”就能走稳每一步。


记得上一届带初三时,有个学生总在基础题上丢分,觉得“这些题太简单,不用练”。我没多说,只是让他把《数与式》的错题重新做了三遍,每做一遍就标注“错因”。后来他跟我说:“原来我总错在‘符号’和‘条件’上,现在看着错题本,就知道哪里该‘小心’,这比做十道难题有用多了。” 后来他中考数学基础题一分没丢,这就是“有例可循”的实在效果。这就是“有法可依,有例可循”的力量——不是让学生“死记硬背”,而是让他们在“具体例子”中找到“规律方法”,在“错题复盘”中夯实“基础根基”。这种做法看似“不高明”,没有直接展示复杂的解题技巧,却让学生真正掌握了自主学习的“钥匙”,就像老子说的“大智若愚”,真正的高明藏在“看不见”的细节里。


老子说“自见者不明,自是者不彰”,教学中如果总想着“展示自己的高明”,急着讲难题、炫技巧,反而会让学生看不清基础的重要性,就像“自见者不明”。而我们带着学生一点点抠基础、析错题,让他们自己找到方法,看似“不显山不露水”,却能让知识真正“彰”显在学生的能力里。这种“藏巧于拙”的教学,不就是《道德经》里说的“高明”吗?



下课时,同事路过教室,看到学生围着错题本讨论,笑着说:“这才是真复习啊!” 是啊,教学也好,学习也罢,都该像《道德经》里说的那样:去掉“多余的负担”,放下“踮脚的浮躁”,让每个知识点都“有法可依”,每个错误都“有例可循”。这样,学生才能学得扎实,我们教得安心——毕竟,能让每个孩子在基础上“站稳脚跟”,才是教育最该有的“稳稳的幸福”。


明天的复习课,我会继续带着学生“啃错题、理方法”,把“有法可依,有例可循”的教研理念,揉进每一个教学细节里。

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  1. CONNECT:[ UseTime:0.000823s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000917s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000346s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000283s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000481s ]
  6. SELECT * FROM `set` [ RunTime:0.000199s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000577s ]
  8. SELECT * FROM `article` WHERE `id` = 477639 LIMIT 1 [ RunTime:0.001396s ]
  9. UPDATE `article` SET `lasttime` = 1775389623 WHERE `id` = 477639 [ RunTime:0.002796s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000232s ]
  11. SELECT * FROM `article` WHERE `id` < 477639 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000405s ]
  12. SELECT * FROM `article` WHERE `id` > 477639 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000334s ]
  13. SELECT * FROM `article` WHERE `id` < 477639 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003960s ]
  14. SELECT * FROM `article` WHERE `id` < 477639 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010938s ]
  15. SELECT * FROM `article` WHERE `id` < 477639 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009421s ]
0.202347s