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深研新教材 共绽思维花丨南京市建邺区初中数学新教材教学专项研究活动纪实

  • 2026-09-23 12:42:44
深研新教材 共绽思维花丨南京市建邺区初中数学新教材教学专项研究活动纪实

2026年9月9日上午,南京市建邺区初中数学新教材教学专项研究活动暨江苏省叶旭山网络名师工作室专题研修活动在南京师范大学附属中学栋梁学校举行。江苏省叶旭山网络名师工作室成员、南师附中栋梁学校全体数学教师、南京东南实验学校部分数学教师以及建邺区部分教师参加了本次活动。活动特别邀请苏科版初中数学教材主编、华东师范大学鲍建生教授,教材责任编辑、江苏凤凰科学技术出版社副编审沈琼老师,教材编写人员、南京市鼓楼区教师发展中心初中数学研训员诸士金老师,南京市建邺区教师发展中心初中数学教研员金敏老师莅临指导。活动由南师附中栋梁学校副校长陈卓老师主持。作为苏科版教材的责任编辑,沈琼老师全程观摩两节研究课,关注新教材在一线课堂中的实施情况;诸士金老师也全程听课观摩,参与课后研讨。

南师附中栋梁学校沈党平老师执教七年级研究课《绝对值与相反数》。课堂以生活情境为切入点,引导学生在数轴上抽象出距离模型,经历“情境感知—概念建构—符号表达—法则运用”的完整学习过程。沈老师充分尊重学生思维起点,通过“学生画图—小组讨论—代表讲解—教师板书”的多元互动,逐步引导学生将生活语言转化为数学语言,让学生在简练、精确的表达中体会绝对值的几何意义与代数规则。课堂节奏张弛有度,板书结构清晰,核心知识点始终保留在黑板上,便于学生随时回顾。课末的课堂检测及时反馈了学习效果,体现了“教—学—评”一体化的设计思路。

金陵中学附属初级中学余文睿老师执教八年级研究课《直角三角形全等的判定》。课堂以“再添加一个什么条件可判定直角三角形全等”为核心问题,先让学生动手画图、独立思考,再通过尺规作图和勾股定理证明,自然引出“HL”判定定理。余老师重视几何学习的规范性,强调定理的符号语言表述和证明书写格式,尤其引导学生关注“对应顶点写在相同位置”“直角条件不可遗漏”等细节。例题处理中,教师鼓励学生先分析再动笔,用逆向分析法梳理证明思路,避免边想边写;拓展环节将等腰三角形的判定条件作为课后思考,既巩固了课堂所学,又为学生预留了思维生长空间。

南京东南实验学校刁品泉老师作题为《践行共生理念,赋能思维生长》的专题讲座。刁老师结合学校实践,系统阐释了“思维共生课堂”的三层内涵:师生协同共生、同伴思维共生、跨类型思维共生,并提出了课堂落地的“六有”思维生长链——有围绕目标的问题、有自主探究时机、有思维展开环节、有归纳提炼环节、有反思质疑机会、有规范解题示范。刁老师还结合“有理数加法”“用字母表示数”“正方体展开图”等七年级典型课例,展示了如何在日常课堂中唤醒学生思维、留足探究空间、实现思维的自然生长,为教师们用好新教材提供了可借鉴的操作范式。

华东师范大学鲍建生教授结合两节研究课作专家点评。鲍教授指出,数学是一门独立的思维科学,知识可能被遗忘,但思维习惯会终身受益。针对七年级教学,他强调初一阶段是数学表达习惯养成的关键期,教师要把握“习惯养成窗口期”,抓实有理数运算“童子功”,合理控制教学节奏,不盲目超前、不随意加难,让每节课的核心知识清晰呈现在板书上,让学生带着成就感下课。针对八年级几何教学,鲍教授提出“得三角形者得几何”,教师要重视尺规作图规范、推理思路分析、证明书写格式和逻辑严谨性,避免过早引入二级结论和解题模型冲淡推理论证的基础训练。鲍教授还建议教研活动要畅所欲言,鼓励年轻教师形成个人风格,同时提醒借班上课对课堂调动能力要求极高,教师更要关注全体学生的真实参与。

活动最后,金敏老师对本次教研活动做总结。他指出,本次活动以新教材研究为契机,以“思维共生课堂”为纽带,通过课例展示、专题讲座和专家点评,帮助教师进一步理解了新教材的编写意图与教学实施路径,为建邺区初中数学课堂教学质量的持续提升奠定了坚实基础。

编  辑 :王逸凡

一  审 :姜   琪

二  审 :陈   卓

三  审 :张士民

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  1. CONNECT:[ UseTime:0.000606s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000884s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000399s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000339s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000569s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000541s ]
  8. SELECT * FROM `article` WHERE `id` = 471205 LIMIT 1 [ RunTime:0.000364s ]
  9. UPDATE `article` SET `lasttime` = 1790149806 WHERE `id` = 471205 [ RunTime:0.001424s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000321s ]
  11. SELECT * FROM `article` WHERE `id` < 471205 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000401s ]
  12. SELECT * FROM `article` WHERE `id` > 471205 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000439s ]
  13. SELECT * FROM `article` WHERE `id` < 471205 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001060s ]
  14. SELECT * FROM `article` WHERE `id` < 471205 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000732s ]
  15. SELECT * FROM `article` WHERE `id` < 471205 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000735s ]
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