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老师 别让PPT“绑架”了课堂——也谈信息技术与初中课堂教学的融合

  • 2026-05-11 19:42:24
老师 别让PPT“绑架”了课堂——也谈信息技术与初中课堂教学的融合

老师 别让PPT“绑架”了课堂

——也谈信息技术与初中课堂教学的融合

不知从何时起,PPT似乎成了初中课堂的“标配”。公开课没有PPT,好像就“不够现代”;平时上课,不用课件似乎就“跟不上时代”。不少老师为了做一套精美的课件,熬夜找模板、调动画,大量的时间花在了“做片子”上。但我们是否想过:PPT真的让课堂变好了吗?

我的感受是:PPT用好了是帮手,用不好就成了“绊脚石”,不仅没帮上忙,反而可能拽了课堂的后腿。

就拿语文课来说,核心是带着学生读文本、品语言。如果一节课从头到尾都在放幻灯片,学生盯着屏幕看,哪还有时间安安静静翻开书读一读?数学课更是如此,最重要的是学生的思考过程和逻辑推导。前段时间去听了一节数学课,那位老师个人素质很好,他把一道例题的步骤和演算过程通过投屏快速放了一遍,结果“一闪而过”,学生还没来得及在草稿纸上算一算,还没搞明白“这一步是怎么到下一步的”,就已经结束了。这就是典型的 “用课件代替了思考” 。

针对这个问题,结合山东省对课堂教学的基本要求,我觉得有几点咱们在一线摸爬滚打的老师都深有体会:

一、课堂不是“流水线”,不能被课件牵着走

咱们的课堂是活的。学生的一个提问、一次质疑,往往就是最好的教学契机。有经验的老师会根据学生的状态随时调整:这个地方眼神迷茫了就多讲两句,那个地方有兴趣了就深入探讨一下。

PPT是按预设顺序走的“死”的。如果老师只顾着点鼠标翻页,心里只想着“后面的课件还有好多没讲完”,那课堂就被课件“绑架”了。这就违背了山东省提出的 “以学定教”原则。咱们不能为了完成课件进度,而对学生的精彩生成视而不见。教学不能变成老师当“操作工”,学生当“观众”。

二、切忌“PPT一放,老师开讲”,学生来不及思考

现在的孩子不缺信息,缺的是静下心来思考的时间。很多课件做得太“满”了,答案直接打在屏幕上,问题一出来,PPT紧接着就把标准答案亮出来了。学生连思考的过程都没有,直接变成了抄笔记。

特别是理科,一道几何题的辅助线是怎么画出来的?这个思路是怎么断的?这需要在黑板上一步步画出来,让学生看到思维生长的轨迹。如果直接投屏一个完美的动画,看似直观,实则剥夺了孩子犯错和摸索的机会。

三、PPT要做“减法”,别把“辅助”变“主演”

山东省的教学要求中特别强调“融合信息技术”,但前提是“服务于教学”。课件只是个拐杖,不能替代老师走路。

咱们的板书不能丢。老师写在黑板上的字,是有温度的,也是带着节奏的。你写的时候,学生就在跟着想。如果所有的知识点都在PPT上滚动了,黑板成了摆设,老师的“讲功”和“写功”慢慢就退化了。

所以,PPT不是不能用,但不能“一放了之”

1、该用的时候用:比如展示地图、播放背景音乐、呈现复杂的统计图,这些纸质媒体不好办到的,用PPT确实直观。

2、该停的时候停:放出问题后,把屏幕关掉(或者按“B”键黑屏),让学生静下心来读书、思考、讨论,别让屏幕上的字分散了他们的注意力。

3、该写的时候写:重要的推导过程、核心关键词,一定要在黑板上板书。那是这节课留下的“思维痕迹”。

总之,咱们当老师的,眼里要有学生,不能只有屏幕。信息化是手段,不是目的。把课堂还给学生,让PPT退回到“辅助”的位置上,这才是咱们山东倡导的“达标课堂”该有的样子。

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  1. CONNECT:[ UseTime:0.000486s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000701s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000308s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000258s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000490s ]
  6. SELECT * FROM `set` [ RunTime:0.000196s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000489s ]
  8. SELECT * FROM `article` WHERE `id` = 510502 LIMIT 1 [ RunTime:0.000376s ]
  9. UPDATE `article` SET `lasttime` = 1778941051 WHERE `id` = 510502 [ RunTime:0.007498s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000232s ]
  11. SELECT * FROM `article` WHERE `id` < 510502 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004362s ]
  12. SELECT * FROM `article` WHERE `id` > 510502 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006384s ]
  13. SELECT * FROM `article` WHERE `id` < 510502 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.012536s ]
  14. SELECT * FROM `article` WHERE `id` < 510502 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001739s ]
  15. SELECT * FROM `article` WHERE `id` < 510502 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001646s ]
0.110577s