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成为数学老师的第十年,我主动“舍弃”了课件:数学书上的墨迹,比翻页笔更珍贵

  • 2026-05-13 15:08:02
成为数学老师的第十年,我主动“舍弃”了课件:数学书上的墨迹,比翻页笔更珍贵

大家好,我是一名普通的数学老师,今年刚好是我站上讲台的第十个年头。

最近我总在想一个问题,甚至一度怀疑自己是不是成了那个“唯一”的异类————我成了办公室里,常规课几乎不用课件的那个老师。

但前几年不是这样的。

刚入职那会儿,一到学期初,我就和许多同事一样,忙着在各个资源网站“淘宝”,下载一堆精美的PPT。那时候觉得,课件做得好,课就成功了一半。

但也就是近几年,我越来越不喜欢用课件了。

虽然课件的优势显而易见:

图形直观、例题展示快、省去了擦黑板的粉尘。在某些需要动态演示的环节,它的作用更是不可替代的。

但作为一名一线数学老师,我想诚实地说说我的顾虑。

第一,精力成本上的“真账本”。

现在的课件资源确实丰富,可那是别人的脑子里的“设计图”。

上课前,得花大量时间去熟悉别人的授课意图,揣摩下一个动画点在哪里、下一张图在讲什么。

这个过程不仅累,而且有种“削足适履”的别扭感。

如果是自己亲手做,那熬的夜就更不用说了。我想把备课的精力,真正花在研究教材逻辑和学生的易错点上,而不是调整动画顺序。

第二,学生的数学书太“干净”了。

用课件的课堂,节奏往往是跟着屏幕走的。

一张张翻过去,光影流转,热闹是热闹,可一节课下来,孩子们把数学书合上,除了习题部分有几个算式,课本正文干干净净。

数学的学习是需要“留痕”的。 概念的理解、重难点的圈画、例题旁补充的另一种解法,这些留在纸上的痕迹,才是复习时最踏实的抓手。

没有痕迹的学习,就像在冰面上走路,滑过去了,什么脚印都没留下。

所以,后来的后来,我做了一个决定:回归课本,擦亮黑板。

我把一体机的用途简化了,主要是打开电子课本,让孩子们的目光聚焦在教材的编排上。

不得不说,数学教材的编排是无数专家反复推敲打磨出来的,每一个例题的选取、每一段文字的留白,都有它的深意。

回归教材,不是偷懒,而是对教学规律的一种敬畏。

更重要的是,我开始疯狂地重视板书。

我觉得这个老传统绝对不能丢。现在的我,坚持认为一节课完成以后,黑板上一定得留下点东西。

当我一边发问,一边在黑板上写下推导过程;当学生提出不同意见,我在旁边打上问号,再擦掉重写——这个过程虽然不如PPT动画那么完美顺滑,但它真实。

它告诉学生,数学是“想”出来的,不是“点”出来的;数学是允许试错和修正的。

下课铃响时,黑板上的粉笔字不是装饰,是全班四十分钟共同走过的思考路径。

我要求黑板上的布局就是这节课的思维导图,而学生书上密密麻麻的批注,就是他们思考过的证据。

一点不成熟的思考:我们到底是需要“课堂的播放员”,还是“思维的引导者”?

站在教龄十年的路口,我慢慢想明白了一件事:

刚入职的我依赖课件,是为了手里有“拐杖”,心里不慌;

现在的我放下翻页笔,是为了手里有“粉笔”,心里有学生。

我当然不是说课件一无是处,遇到复杂图形变化、几何画板演示时,技术依然是神器。

我想讨论的是 “技术依赖惯性” 的问题。

当课堂被一张张预设好的幻灯片牢牢锁死,老师就成了被流程推着走的“播放员”,而不是根据学生现场反应灵活调整的“引导者”。

教育的“留痕”,不该只在屏幕上,更应该在书本上、在黑板槽的粉笔灰里、在孩子们恍然大悟的眼神里。

我猜,我一定不是唯一一个这样做的老师。如果你也和我一样,正在回归这种“粉笔+课本”的朴素课堂,欢迎留言告诉我。

在这个技术狂奔的时代,敢于慢下来,敢于在黑板上留下手写的温度,这或许是我们这代教师在数字化浪潮里,一种安静的、关于教育常识的坚守。

共勉。

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  1. CONNECT:[ UseTime:0.000832s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001555s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000689s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000642s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001493s ]
  6. SELECT * FROM `set` [ RunTime:0.000708s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001722s ]
  8. SELECT * FROM `article` WHERE `id` = 495253 LIMIT 1 [ RunTime:0.001091s ]
  9. UPDATE `article` SET `lasttime` = 1779002413 WHERE `id` = 495253 [ RunTime:0.001252s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000620s ]
  11. SELECT * FROM `article` WHERE `id` < 495253 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001014s ]
  12. SELECT * FROM `article` WHERE `id` > 495253 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001321s ]
  13. SELECT * FROM `article` WHERE `id` < 495253 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001876s ]
  14. SELECT * FROM `article` WHERE `id` < 495253 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002582s ]
  15. SELECT * FROM `article` WHERE `id` < 495253 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003239s ]
0.186999s