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教学30年:试卷讲评课,别让老师再唱独角戏

  • 2026-11-04 11:04:09
教学30年:试卷讲评课,别让老师再唱独角戏

( 第231篇)

期中考试刚结束,试卷讲评课又要开始了。
过去,我们常常是这样:老师在讲台上从头讲到尾,一道题一道题对答案;学生在下面订正、抬头、再低头,会的早会了,不会的还是一知半解。
一节课下来,老师累得不行,学生却未必真有多少收获。
这一次,我想换个方式:让学生成为主角,老师退到幕后。(平时也用过)
但“退到幕后”不是不管,而是把功夫花在课前、把舞台搭在课上、把点拨用在关键处。
    01  课前:老师先做“幕后军师”
用畅言系统,试卷分析很方便。选择题错误率高的题、问答题得分率高、低的题、每个班、学生的进退步情况,都能看得比较清楚。
老师要做的,不是凭感觉决定讲哪道题,而是做三件事:
1. 看数据:哪些题错误率高?哪些题得分率低?哪些学生进步、哪些学生退步?
2. 做标记:用红笔在试卷上标出“必须讲”“小组能解决”“不用讲”的题。
3. 定目标:这节课重点解决两三类问题,比如知识漏洞、审题方法、答题规范,而不是面面俱到。
    02  学生课前:先改错,再归因
上课前,把参考答案发给学生,让学生用红笔改错,并写出错误原因。
这里有一个关键:不能只写“错了”,要写“为什么错”。
可以让学生把错因归成几类:知识不会、审题不清、表达不规范、计算失误、时间不够。归因越具体,课堂讨论越有针对性。
     03  课堂五步:把舞台还给学生
第一步:同桌互评卷面
先不急着讲题,同桌互相看看卷面:是否清晰、有条理、整洁,得分点是否突出,哪些地方需要改进。
时间不用长,2—3分钟即可。但要给标准,不能变成互相客气。卷面也是考试能力的一部分。
第二步:小组内互相讨论错题
组长带领组员,小组内互相讨论错题。把讨论不出来的题目记录下来。记录单可以很简单:题号、小组内几人不会、尝试过什么思路、需要老师讲还是学生讲。
第三步:学生上台讲题
小组讨论不出来的题,请其他组的同学上台讲解。
学生讲题也要有规则:先讲思路,再讲错因,最后提醒大家一个易错点。 组内可以轮流讲,让更多学生参与。
第四步:老师兜底点拨
大家都解决不了的题,老师再讲。
老师讲共性错因、讲答题模型、讲规范表达,把学生零散的讨论“收拢”起来。
第五步:学生总结,老师收尾
可以让学生分类总结:这次考试,好的地方有哪3个?需要改进的地方有哪些?通过本节课收获了什么?
最后老师做考试总结,把关键方法、易错点、下一步要求说清楚。
时间不必死板,但要有框架。否则“学生主体”容易变成“课堂放羊”。
             05  课后别断线
讲评课不是下课就结束。课后可以做三件事:
1. 错题二次批改,看学生是真懂还是抄答案;
2. 针对高频错题,配一道变式题当堂或课后检测;
3. 对个别进退步明显的学生,做一次简短面批。
                    写在最后
试卷讲评课,最怕老师唱独角戏。
老师退到幕后,不是偷懒,而是把诊断做在前面,把组织设计做细,把点拨用在刀刃上。
学生先改、同伴互评、小组讨论、学生讲解、老师兜底——当学生真正动起来,试卷讲评课才不会变成“对答案课”。
下一次讲评试卷,不妨试一试:老师少讲一点,学生多走一步。
你会发现,课堂真的不一样。

如果你发现反复练习,进步却微乎其微,推荐您来读《刻意练习》,这是一本精进教学、设计高效训练的秘籍。

往期精彩内容:
教学30年:真正教得好的老师,都有这3个特点
教学30年:期中考试前,真正有效的就3件事,第2件最容易被跳过
教学30年:5个提问关键词,打破课堂的沉闷
基本 文件 流程 错误 SQL 调试
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  11. SELECT * FROM `article` WHERE `id` < 536080 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000431s ]
  12. SELECT * FROM `article` WHERE `id` > 536080 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000470s ]
  13. SELECT * FROM `article` WHERE `id` < 536080 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000774s ]
  14. SELECT * FROM `article` WHERE `id` < 536080 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000867s ]
  15. SELECT * FROM `article` WHERE `id` < 536080 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000916s ]
0.091092s