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一周7节课的一轮复习,我砍掉了三件事

  • 2026-10-13 06:25:28
一周7节课的一轮复习,我砍掉了三件事

开学第二周,我把 2027 届的推进表排完,盯着那张表看了很久。我们学校一轮复习一直都是很缓慢的进行,生怕孩子吃“夹生饭”,所以上学期要推完必修一、必修二、选必一、选必二,再搭两个专题;每周7 节课,一学期按 21 周算,满打满算 147 节。扣掉月考、试卷讲评、假期,真正能用在往前推进上的,120 出头。所以我今年采取和以往不同的策略,尽量把每节课都算明白,每一节都得算着用,然后到下学期开学后才能结束一轮复习。

推进表排到这一步,问题就不再是“一轮复习该怎么复习”了,而是“这么点课,我到底讲什么”。

本文脉络

01

先算课时账,再谈怎么复习

02

砍掉的第一件:不追求“全覆盖”

03

砍掉的第二件:错题本不再要求抄题

04

砍掉的第三件:一轮不碰综合难题

01 · REVIEW

先算课时账,再谈怎么复习

一轮复习的经验文章很多,讲的都是方法:要织知识网、要整理错题、要回归教材。这些话都对,但我们学校真正卡住的地方不在方法,在课时。

我带三个班,每周 7 节正课。这个量在我们这儿不算少,但摊到五本书上,一节都不富裕。过去两年的做法是上到哪儿算哪儿。结果很稳定:每年的3月底才能结束一轮复习。学生笔记抄得整整齐齐,考出来一片糊涂。

所以想变一下策略,先算清楚你手里有多少节课,再决定讲什么、讲到什么程度,这件事比选哪种复习资料重要得多。课时账算不明白,后面所有方法都是空的。所以这么紧张的课时安排,有些东西我确实应该“砍掉”。

02 · CHAPTER TWO

砍掉的第一件:不追求“全覆盖”

教材里不是每一节都值得占一节课。

我今年用了两个筛子过一遍:一个是这个点在高考试卷上的分量,另一个是上一届学生在这个点上的错因。两个都不占分量的,就压进学生的自主复习清单,课堂上不讲,只给一张自查表和一道检验题。

组里有老师不同意,理由是“考纲里写了就得讲到”。这话没错,但一轮的任务不是“讲过”,是“学生能用”。讲过一遍学生没接住,和没讲,在分数上是一样的,在课时上还更亏。

省下来的课时去哪了?去讲那些讲了学生能立刻用上的点。比如光合作用和呼吸作用的关系,往年学生错得最多,与其按教材顺序各讲一节,不如合起来讲两节,中间专门留一节课做物质和能量的对照。

03 · MISTAKES

砍掉的第二件:错题本不再要求抄题

这条我犹豫了很久。错题本是我自己当学生时就在用的办法,也确实有用。但带三个班之后我发现,它在一轮复习里是笔亏本买卖。

三个班一百五十多个人,错题本收上来我改不完;学生呢,题目抄得漂漂亮亮,正确答案写在旁边,然后——基本不会再翻第二遍。抄题是体力活,学生把力气花在抄上,就没力气想了。

今年改成三问,写在练习册的错题旁边就行,不单独抄:

01

错在哪:概念混了、条件漏看、还是这个知识点压根没懂——先定性

02

为什么会错:把两个概念的定义摆在一起比一遍,比如“原生质层”和“原生质体”,差的是细胞壁那一部分

03

下次怎么避开:写一句话提醒,比如“看到植物细胞失水,先想原生质层包括哪三部分”

三问写完,这道题才算过。形式不重要,字丑一点没关系,我要的是那句提醒。

04 · CHAPTER FOUR

砍掉的第三件:一轮不碰综合难题

每年十月前后,都会有学生拿着模拟卷最后那道大题来问。题是好题,但我一般会说:这道等二轮再做。

一轮在搭框架,不是在练难度。学生现在连“光反应和暗反应的物质联系”都要想半天,去啃一道跨章节的实验设计题,做不出来是正常的,做出来多半也是蒙的。这种题在一轮做,唯一的收获是挫败感。

一轮做基础题和中档题就够了,标准是“做一道,能说清它考的是哪个点、这个点我有没有真的懂”。难题留给二轮,那时候框架搭好了,难题才有地方挂。

这三个“不做”,我写进了备课组的推进表,跟“做什么”写在同一页上。

推进表上通常只写要做什么,不写不做什么。但课时紧的时候,不做什么才是那份表真正的内容——它决定了剩下的课时能不能真的用在刀刃上。

∞ · POSTSCRIPT

写在最后

课时不会变多。与其全覆盖然后到处补漏,不如先砍掉三件,把剩下的讲透。

FOLLOW · 显微镜下的日子

这里只写两件事:高三生物一轮复习怎么一步步往前推,以及县城中学里真实的教书。点个关注,我们慢慢聊。

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  1. CONNECT:[ UseTime:0.000734s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000843s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000458s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000373s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000559s ]
  6. SELECT * FROM `set` [ RunTime:0.000288s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000694s ]
  8. SELECT * FROM `article` WHERE `id` = 522557 LIMIT 1 [ RunTime:0.000367s ]
  9. UPDATE `article` SET `lasttime` = 1791855305 WHERE `id` = 522557 [ RunTime:0.001463s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000320s ]
  11. SELECT * FROM `article` WHERE `id` < 522557 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000431s ]
  12. SELECT * FROM `article` WHERE `id` > 522557 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000420s ]
  13. SELECT * FROM `article` WHERE `id` < 522557 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000574s ]
  14. SELECT * FROM `article` WHERE `id` < 522557 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000587s ]
  15. SELECT * FROM `article` WHERE `id` < 522557 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000947s ]
0.085654s