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丁伟豪 | 初始Excel2003工作表

  • 2026-04-01 18:30:36
丁伟豪 | 初始Excel2003工作表

本周我教授《初始Excel2003工作表》这一课,教学内容涵盖了软件界面认识、基础操作演示以及学生实践练习。从整体教学流程来看,基本按照预设的教学设计推进,但在实际教学过程中,我也发现了不少值得反思和改进的地方。

本节课内容安排较为充实,从认识界面到基本操作,再到学生实践和纠错总结,形成了一个相对完整的教学闭环。Excel2003作为一款经典的电子表格软件,其界面和操作逻辑对于初次接触的学生来说较为陌生,因此我特意将“认识界面”作为第一环节,从标题栏、菜单栏、工具栏到单元格地址、列标行号、工作表标签等,逐一向学生介绍。这一设计符合学生的认知规律,为后续的操作学习打下了基础。

在实际教学中,我发现学生对“单元格地址”这个概念接受较快,但对“工作表和工作簿”的关系容易混淆。部分学生误以为工作表就是独立的文件,这说明我在讲解时对这两个概念的对比辨析还不够充分。今后应增加工作簿与工作表的类比举例,比如将工作簿比作一个笔记本,工作表比作笔记本中的一页,帮助学生建立清晰的概念模型。

在基础操作演示环节,我依次讲解了插入行、列(单行单列、多行多列),删除行、列,以及插入、删除、重命名、移动工作表等操作。演示过程中我采用了边操作边讲解方式,并强调了操作步骤中的关键点,如“选中整行后再右键插入”“插入多行要先选中相同数量的行”等。

反思这一环节,存在的问题主要有:第一,演示速度偏快,部分基础薄弱的学生跟不上节奏,等我演示完进入实践环节时,他们甚至忘记了第一步该做什么;第二,对操作中的易错点强调不够,比如删除行和清除内容的区别,有学生在练习时误将清除当作删除,导致数据错位;第三,互动性不足,主要是我讲学生看,学生处于被动接受状态。

改进设想:今后操作演示应采用“演示+跟练”的节奏,每讲完一个操作就让学生在自己的电脑上尝试一遍,教师巡视确认后再进入下一个操作。这样既能及时巩固,又能发现学生操作中的共性问题。此外,可以将操作步骤制作成简明的图文讲义或微视频,供学生随时查阅。

在课堂作业环节,我下发了综合练习文件和具体要求,要求学生按照要求完成操作练习,同时我进行巡视指导。从巡视情况来看,大约70%的学生能够独立或经过少量提示完成作业,20%的学生需要较为详细的指导,还有约10%的学生在操作中遇到较大困难。

典型问题集中在:插入多行时不知道要先选中多行;移动工作表时拖动标签不熟练,容易拖到其他工作簿中;单元格地址的引用理解不到位,在要求定位到特定单元格时耗时较长。这些问题说明,我在演示环节对“选中后再操作”这一核心原则强调不够,学生在动手时缺乏明确的操作意识。

值得肯定的是,大部分学生表现出较高的学习兴趣,尤其是完成操作后看到练习文件中的效果变化时,有一定的成就感。这说明Excel的操作练习具有较强的即时反馈特性,有利于维持学生的学习动机。

最后环节我针对巡视中发现的问题进行了集中演示讲解,并带领学生回顾了本节课的知识要点。但由于前面环节耗时较多,这一环节略显仓促,留给学生提问和反思的时间不足。个别学生操作中遇到的个性化问题未能得到充分解答。

今后应更加严格地把控各环节时间,给纠错总结留出充足的余地。同时可以尝试让学生自己总结操作要点,或者让完成较好的学生上台演示分享,增加生生互动的机会。

总体而言,本节课基本达成了教学目标,学生对Excel2003的界面和基础操作有了初步的了解和体验。但在教学方法上,过于依赖讲授和演示,学生动手和思考的机会相对有限。信息技术课的核心在于“做中学”,今后的教学中,我应当进一步压缩讲授时间,增加学生动手实践和探究的环节,更多采用任务驱动、问题导向的教学策略,让学生在完成具体任务的过程中自主发现和掌握操作技能。

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  1. CONNECT:[ UseTime:0.001187s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001522s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000744s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000728s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001279s ]
  6. SELECT * FROM `set` [ RunTime:0.000595s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001396s ]
  8. SELECT * FROM `article` WHERE `id` = 493618 LIMIT 1 [ RunTime:0.011856s ]
  9. UPDATE `article` SET `lasttime` = 1775688652 WHERE `id` = 493618 [ RunTime:0.026059s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000625s ]
  11. SELECT * FROM `article` WHERE `id` < 493618 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001209s ]
  12. SELECT * FROM `article` WHERE `id` > 493618 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001111s ]
  13. SELECT * FROM `article` WHERE `id` < 493618 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003660s ]
  14. SELECT * FROM `article` WHERE `id` < 493618 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001866s ]
  15. SELECT * FROM `article` WHERE `id` < 493618 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003144s ]
0.217035s