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深研单元结构化教学 共探新教材育人路径 ——禹会区小学第二片区苏教版小学数学新研讨活动侧记

  • 2026-09-22 12:42:39
深研单元结构化教学 共探新教材育人路径 ——禹会区小学第二片区苏教版小学数学新研讨活动侧记

为提升教师基于大概念实施单元整体教学能力,深入推进学思课堂建设,牢固树立教师素养导向意识,进一步提高小学数学教师新教材使用能力,科学提升小学数学教学质量。2026年9月17日上午,蚌埠京师实验学校成功承办苏教版小学数学新教材联片教研研讨活动。禹会区教研室兰海丽老师、禹会区小学数学兼职教研员陈国娇主任、蚌埠京师学校支晶晶校长和施长凤校长以及小学第二片区数学教师合计74人参加了教研活动。本次联片教研活动聚焦基于大概念实施单元结构化教学有效实施,活动包括课堂展示、研讨点评、专题微讲座三个板块。

课堂展示

活动伊始,由蚌埠京师实验学校小学部赵玲玲老师带来《二进制的秘密》。本节课立足学生熟悉的十进制知识作为生长点,遵循学生认知规律展开教学。课堂上,赵老师先带领学生回顾十进制的计数规则、数位含义,依托“满十进一”这一核心概念,自然迁移引出二进制的读写方法、计数规则,重点引导学生掌握十进制与二进制之间的相互转化。在学生理解二进制原理后,教师顺势拓展,延伸到五进制、八进制,最后归纳提炼出n进制。

整节课跳出单一知识点教学,抓住“进位计数制”这一大概念,打通不同进制之间的内在联系,帮助学生建立结构化的数学认知,让学生体会数学规则的通性,培养学生的逻辑推理与迁移类比能力。在赵老师的数学课堂中,学生不再是机械记忆换算方法,而是在特定的数学情境中循序渐进地理解进制背后“满几进一”的本质,深度感悟数学建模思想。整节课的教学活动课层层递进,由已知推未知,充分展现大概念引领下跨知识迁移的课堂魅力,为在场教师展示了拓展类课程落实素养目标的可行范式。

随后,姚婕老师执教四年级《认识周长和面积》一课。周长与面积是小学阶段极易混淆的两个概念,也是多边形面积单元的起始内容,是单元结构化教学的重点与难点。姚婕老师以一根简单棉线为贯穿整节课的核心学具,为学生创设真实、可操作的探究情境。课堂上,学生动手拉一拉、围一围、比一比,先用棉线围出封闭图形的边线,直观感知周长就是图形一周边线的总长;再通过棉线围成图形后,观察图形内部覆盖的平面大小,初步感知面积的含义。一根棉线,实现从“边线长度”到“面的大小”的对比探究,把两个抽象概念具象化。在动手操作中,学生自主辨析周长与面积的不同内涵,厘清概念边界。整节课没有生硬的概念灌输,只是依托简单学具开展层层递进的探究活动,充分体现了学思课堂教学理念,学生在动手、观察、对比、表达中不断建构核心概念,为本单元后续学习长方形、正方形面积计算打下扎实基础,也生动诠释单元起始课要搭建单元认知框架的教学范式。

研讨点评

课堂展示结束后,所有听课教师移步到蚌埠京师实验学校乐育楼四楼会议室参加评课议课活动,本次评议活动由蚌埠京师实验学校小学部宋志强主任主持。

评课中,老师们结合两节课的亮点与细节充分交换意见,来自蚌埠师范第二附属小学的邵志洁老师指出:赵玲玲老师的课,能抓住核心概念,通过十进制的知识顺利实现正迁移,在循环递进的数学探究活动中,打通了知识之间的关联,有效落实了单元整体教学的理念。张公山一小的单仃仃主任肯定了两节课在践行素养导向方面都做了很好的示范,都能以单元整体视角设计课时教学,同时也提出优化建议:概念教学要更多留给学生自主归纳表达空间;大概念教学要兼顾全体学生,设计分层任务。张公山三小的陈国娇主任首先充分肯定了两节课都能站在学生的立场,设计有效的教学情境,都在充分研读教材的基础上设计兼顾不同层次学生的教学活动,赵玲玲老师的课重在引导学生发现和探究,通过温故而知新破解长期以来教学碎片化的问题。姚婕老师的课,用“一根棉线”的极简学具设计,围绕单元起始课如何搭建单元知识结构、如何有效区分周长与面积易混点展开讨论,对学生的学情把握非常精准,同时,张主任也提出如果能引导学生去辨析“周”“长”“周长”三者之间的逻辑关系,那这节课会更加完美。

大家在畅所欲言中实现了思维碰撞和思想的交锋,对小学数学新教材如何践行基于大概念实施单元整体教学有了更加明晰的认识和更加深刻的理解,为单元结构化教学在课时落地铺平了道路。

微讲座

评课之后,姚婕老师带来她精心准备的专题微讲座《基于新教材使用的单元结构化教学的思考》。姚老师的讲座从三个方面展开。第一部分介绍本次教研的时代背景,紧扣新版数学课程标准要求,解读大单元整体教学、大概念等核心理念,说明新教材编排体系下,碎片化课时教学已经无法满足核心素养培养要求,单元结构化教学是落实新课标、用好新教材的必然选择。第二部分直面一线教师真实教学困惑:很多教师对实施单元结构化教学的必要性存在疑问,对如何提炼单元大概念、找准单元核心概念感到迷茫。姚婕老师结合一线教学真实痛点,剖析困惑产生原因,提出解决思路,引起在场教师强烈共鸣。第三部分以苏教版“多边形的面积”单元作为典型案例,如何从单元整体角度设计起始课,打通单元内各课时知识脉络,构建完整知识体系,实现“教一个单元,建一个结构”,给参会教师提供可借鉴、可复制的单元备课范式。

姚老师的讲座,从单元内容结构、单元核心大概念提炼、单元学习目标拆解、课时之间的关联设计、单元设计等方面帮助禹会区小学第二片区数学老师廓清了模糊认识、明晰了实施路径。

活动小结

活动最后,宋志强主任充分肯定了两节展示课与专题讲座的教研价值,强调新教材使用过程中,教师要转变教学观念,跳出单课时局限,树立单元结构化意识。挖掘知识内在逻辑,把碎片化知识点串联成知识网络。同时鼓励老师们将本次教研所学落实到日常备课和课堂教学中,持续深耕学思课堂,立足学生核心素养发展,用好新教材,扎实开展单元整体教学。

本次苏教版小学数学新教材研讨活动虽已落下帷幕,但教师们对单元结构化教学、新教材实践探究的脚步不会停止。未来,蚌埠京师实验学校小学数学教研组会继续立足新课标、新教材,持续开展主题式教研活动,在实践中不断反思、优化课堂,以研促教,共研小学数学课堂提质增效的实践路径,共探赋能学生数学核心素养成长的有效策略,为全面推进小学数学数学教学质量夯实了基础、明确了方向。

撰稿:李世超

拍照:马维军

初审:宋志强

复审:李   秀

终审:施长凤

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  1. CONNECT:[ UseTime:0.000525s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000748s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000381s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000374s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000535s ]
  6. SELECT * FROM `set` [ RunTime:0.000276s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000663s ]
  8. SELECT * FROM `article` WHERE `id` = 472496 LIMIT 1 [ RunTime:0.000399s ]
  9. UPDATE `article` SET `lasttime` = 1790063151 WHERE `id` = 472496 [ RunTime:0.001017s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000295s ]
  11. SELECT * FROM `article` WHERE `id` < 472496 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000378s ]
  12. SELECT * FROM `article` WHERE `id` > 472496 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000333s ]
  13. SELECT * FROM `article` WHERE `id` < 472496 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000621s ]
  14. SELECT * FROM `article` WHERE `id` < 472496 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000579s ]
  15. SELECT * FROM `article` WHERE `id` < 472496 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000541s ]
0.085393s