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当了十几年老师,为什么我们越来越依赖PPT了?

  • 2026-11-05 16:44:57
当了十几年老师,为什么我们越来越依赖PPT了?

这两天刷新闻,看到多所高校相继发文件,要求规范课堂教学,明确提出“严禁全程依赖PPT”,杜绝“念课件”。

底下的评论区快炸了。学生们疯狂吐槽:“终于有人管管了!有些老师PPT字多得像牛毛,一节课就是在那儿毫无感情地朗读,听得人昏昏欲睡。”

作为一个在基层站了十几年讲台的老师,看到这条新闻,我第一反应是:干得漂亮。

第二反应是:稍微有点脸红。

因为我摸了摸良心,这几年,我自己站在这三尺讲台上,也多少沾染了些“PPT依赖症”。

不知从什么时候起,课堂变成了一个“课件展示大厅”。

以前我们上课,靠的是一块黑板、几根粉笔。讲到精彩的地方,老师挽起袖子写板书,底下的学生跟着老师的笔顺在脑子里过逻辑。那时候,师生之间是能对上眼神的。

现在呢?

一上课,教室的灯一关。大屏幕亮起,整个教室的视觉中心全变成了那块冷冰冰的屏幕。

老师坐在讲台后,手握着翻页笔,眼睛盯着电脑屏幕,嘴里念叨着:“同学们,翻到下一页。大家看PPT上的这段文字,我给大家读一下……”

你抬起头看看下面那几十个学生。有的在疯狂地抄PPT,连老师讲了啥都没听进去;有的干脆拿出手机,对着大屏幕“咔嚓咔嚓”一顿拍,好像拍了就等于学会了;还有的,借着关灯的掩护,直接趴在桌上睡着了。

一节课四十分钟,老师累得口干舌燥,学生拍了一肚子照片,最后记住的东西寥寥无几。

这就是典型的“知识搬运工”。PPT只是把课本上的字搬到了大屏幕上,老师的嘴只是一个发声的喇叭。

为什么有些老师会“全程依赖PPT”?

一方面,确实有偷懒的成分。一份PPT能讲三年,连修改都懒得改。但另一方面,真不能让老师全背锅。

你知道现在做个公开课PPT,卷到什么地步吗?

要排版精美,要带动画效果,甚至连字体字号都有硬性规定。有的学校搞信息化考核,你不把PPT做长、做炫,就被扣上“教学手段落后”的帽子。

很多年轻老师,把百分之六十的备课精力拿去捣鼓PPT,真正钻研教材、研究学生学情的时间,反而被严重挤压了。

这完全是本末倒置。

这则新闻里有句话说得特别一针见血:“严禁全程依赖PPT,不是一刀切回到没有投影的时代,而是要给知识内化留出时间。”

这句话,直接戳到了教育的骨眼上。

什么是“知识内化”?

内化,就是他得看着黑板上的推理过程,跟着老师的步伐一起皱眉、一起卡壳、然后一起想通;内化,就是老师在黑板上画了一个极其随意的图,启发他联想到了另一个知识点。

这些,PPT给不了。

毕竟,机器翻页是冷的,但人是热的。

我特别怀念我刚教书那几年的一位老教师。他上课从来不用PPT,就带一本翻得卷边的课本,一支粉笔。讲到精彩的地方,他会在黑板上画一个极其生动的图,然后手舞足蹈地讲起这背后的历史故事。有时候一道题讲完了,他会故意停顿几秒钟,让全班同学自己去体会那个逻辑的闭环。

那十分钟的留白,比一百页PPT都管用。

课堂的主角永远是人。

无论技术怎么发展,屏幕再亮,也别让那束光把人的脸遮住。老师的传道受业,不仅仅是传递信息,更是眼神的碰撞、情绪的共鸣,甚至是你叹的一口气,对那个正在迷茫的孩子来说,都是一种无声的治愈。

从今天起,我决定给自己的课堂立个规矩:

能用嘴说清楚的,绝不用PPT;

能用粉笔板书的,绝不按翻页笔;

讲到一个需要学生发愣、体会的深刻之处,坚决关掉投影仪,拉亮教室的灯。

把眼睛从屏幕上移开,去看看台下那一双双真实的、有血有肉的眼睛。

毕竟,PPT只是一把讲题的铲子,老师才是那个真正挖井的人。

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  11. SELECT * FROM `article` WHERE `id` < 572799 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000442s ]
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  13. SELECT * FROM `article` WHERE `id` < 572799 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000467s ]
  14. SELECT * FROM `article` WHERE `id` < 572799 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000607s ]
  15. SELECT * FROM `article` WHERE `id` < 572799 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000558s ]
0.092925s