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课件、学案、板书的融合:随堂听课有感

  • 2026-06-15 18:57:49
课件、学案、板书的融合:随堂听课有感
    今日随堂听课时,青年历史教师邵老师熟练、灵活的在PPT、学程案、板书间切换,基本体现了“工具为教学服务”,而非“教学被工具绑架”。
    在《“教学评”一体化,从优化学习工具开始》一文中,我已论述了学案的优势与使用策略,结合听课感受,试就课件、学案、板书的融合使用作如下分析。
    一、三类工具的优势与局限
    1.课件
    (1)优势:容量大、展示直观、易吸引学生注意力。
    (2)局限:翻页式播放不易留痕、不便于学生看与写的契合、“改课件就是备课”的状态不利于教师专业能力的提升。
    2.学案
    (1)优势:内容固化、便于学生对照材料随思随填随写、更能促进教师深度备课。
    (2)局限:不生动、容量有限、印制条件可能受限。
    3.板书
    (1)优势:内容固化、便于教师演示与突出重点、更能促进教师深度备课。
    (2)局限:耗费时间、容量有限。
    二、三类工具的融合使用
    1.紧扣学习目标
    使用工具是手段,达成目标是目的。
    只要紧紧围绕当堂学习目标,需要直观、动态呈现时,可优先用课件;需学生按问题导引思考或需书面整理时,优先用学案;需要突出当堂核心概念、命题、方法、结论时,优先用板书。
    2.依据教学需要
    并非每堂课都需“三管齐下”。
    若当堂需大量呈现图片、视频、动态演示,可以课件为主、学案与板书为辅——但要避免“全课件”,必须保障教师的重点板书与学生的重点书写。
    若当堂需重点呈现文字材料,可以学案为主,课件、板书为辅,使学生依托“手边的材料”,思考、交流有载体,作答、修改有痕迹。当印制条件受限时,可只针对重点课时或在重点阶段(如复习阶段)命制学案。
    若当堂涉及大量演示过程、总结大量结论,就要通过板书,使推理过程、核心框架固化且一目了然。
    3.充分立足教材
    需特别强调的是,无论用哪种工具,都不能轻视甚至弃用教材,这主要表现为以下几个方面。
    1.要重视读教材。课件、学案上均可出现“阅读教材***思考***”的提示;教材上要有学生圈画、记录的痕迹——“材料上满满、课本上空空”的状态是不可取的。
    2.要重视用教材。将教材上的例题、习题、学科活动等内容,或直接呈现到课件、学案中,或作为“见教材***”的链接。
    3.要重视改教材。学案上的预习提纲、合作探究等版块,应依据教材正文进行改写、创编;巩固训练环节,可依托教材例题、习题进行变式。
    总之,无论什么学科、学段,没有一种教学工具是万能的。其中,要尤其谨防课件的“一手遮天”——从避免浅层备课、固化学习成果、保护学生视力等层面考虑,一般每堂课的PPT以容量不超过8页、使用时长不超过15-20分钟为宜。

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  1. CONNECT:[ UseTime:0.000882s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001355s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000614s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000586s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001065s ]
  6. SELECT * FROM `set` [ RunTime:0.000483s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001121s ]
  8. SELECT * FROM `article` WHERE `id` = 506963 LIMIT 1 [ RunTime:0.002146s ]
  9. UPDATE `article` SET `lasttime` = 1782200193 WHERE `id` = 506963 [ RunTime:0.004703s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000560s ]
  11. SELECT * FROM `article` WHERE `id` < 506963 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000946s ]
  12. SELECT * FROM `article` WHERE `id` > 506963 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001000s ]
  13. SELECT * FROM `article` WHERE `id` < 506963 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001988s ]
  14. SELECT * FROM `article` WHERE `id` < 506963 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002190s ]
  15. SELECT * FROM `article` WHERE `id` < 506963 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005349s ]
0.103412s