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深耕单元复习 赋能素养课堂

  • 2026-10-03 06:01:21
深耕单元复习 赋能素养课堂

2026年9月30日,浙江省李国娟名师网络工作室送教“单元复习指导研究专题活动”在诸暨市陶朱街道明德小学举行。参加活动的有浙江省李国娟名师网络工作室、诸暨市方灶娣名师工作室、陶朱街道小学数学“三名”导师团队、陈文龙名师工作室、何汇霞名师工作室、明德小学全体数学教师、次坞镇小全体数学教师等。活动内容包含课堂展示,讲座分享,专家点评等环节。

Part.01

课堂展示

本次活动中,六位教师立足单元整体视角,聚焦复习课提质增效,呈现了六节结构清晰、亮点突出、素养落地的单元复习精品课堂。

陈文龙老师在503班带来《图解乘法》数学展示课。本节课聚焦小数乘法单元复习,以数形结合为核心,依托长方形面积模型,将抽象算理直观化。课堂通过画图分块、算式拆解,沟通整数与小数乘法的联系,让学生明晰运算规律。结合梯度习题与生活应用,层层突破难点,引导学生知算法、明算理,有效帮助学生建立数感,渗透数学转化思想,提升计算理解能力。

徐国海老师在601班执教《分数乘法分配律的复习》,本课以面积模型为载体,数形结合唤醒学生旧知,直观诠释乘法分配律算理。课堂对比两种计算思路,引导学生结合算式特点灵活简算。通过分数、小数、带分数综合练习,打通各类运算律的内在联系,帮助学生构建系统的运算知识体系,有效发展学生数感与数学运算素养。

郦海云老师带领孩子们探讨《长方体和正方体的整理与复习》,本节课充分凸显学生主体地位,通过小组交流、展示知识结构图,帮助学生自主建构知识体系。深度挖掘长度、面积、体积的计量本质。借助鱼缸生活化情境、组合图形习题,突破缺面、拼接表面积等学习难点,渗透联想、转化数学思想。引导学生做到由一题通一类,感悟万变不离其宗,有效发展学生空间观念与数学思维。

黄天飞老师聚焦混合运算单元梳理,以学生自主建构知识框架为主,引导孩子们复习回顾《混合运算单元》,课堂通过小组交流、错题辨析、分层练习,巩固“先乘除后加减、有括号先算括号内”的运算顺序。结合生活应用题,引导学生分析数量关系、规范综合算式解题方法,摆脱机械刷题模式,夯实计算基础,提升学生逻辑思维能力。

陈启差老师围绕大数单元核心内容,对《万以上数的认识单元》展开系统复习,梳理大数读写、大小比较、改写与近似数等重点知识。课堂针对“0的读法”等易错点开展专项辨析,依托梯度练习帮助学生理清知识脉络、纠正认知误区,逐步建立大数的数感,夯实学生的大数知识基础。

傅琳菲老师依托学生课前创编的算式开展《混合运算单元》复习,设计层层递进的实践活动。“分类小管家”让学生自主归类算式,梳理混合运算顺序,结合错题辨析规范脱式计算。“连线小邮差”将算式与生活情境配对,引导学生运用综合法、分析法分析数量关系。“故事小作家”让学生为算式创编情境,逆向理解综合算式的实际意义。最后的巧算游戏巩固四则运算与小括号知识,兼顾分层教学。课堂注重引导学生养成先确定运算顺序再计算的习惯,自主建构混合运算知识体系。

Part.02

讲座分享

绍兴市数学教研员徐雪刚老师结合课例,围绕从教知识到育素养展开,结合六节展示课反思核心素养的课堂落地实效。讲座结合2022版新课标与新教材实施背景,谈及教师评价观念、命题练习设计对素养培养的影响,提出简便计算不应只套用公式,更要发展思维方法。同时梳理数与代数、图形与几何、统计与概率各领域素养的学段进阶目标,强调不同学段教学、评价重点应分层递进,提醒教师教研写作要找准选题方向。

Part.03

专家点评

浙江省特级教师李国娟老师提出:复习课不是旧知识简单重讲,而是帮助学生看见知识之间的内在关联,借用“把洒落的珍珠串成项链”这一比喻,倡导单元复习要引导学生建构结构化知识网络。专家结合六节展示课,围绕几何模型运用、题组设计、错例资源利用、课堂放手生成等方面给出细致改进建议,鼓励教师借助AI助力课堂深度剖析。

本次单元复习指导研究活动,六节复习课各有侧重、亮点鲜明。老师们立足单元整体,聚焦知识建构、难点突破与素养提升,探索出高效的复习课堂模式。活动充分发挥了名师团队的示范引领作用,为街道小学数学单元复习教学提质增效提供了优秀的教学范例。

           拍摄丨石梦瑜  周  锋

文稿丨余  佩

编辑丨余  佩

 审核丨徐国海

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  139. /www/wwwroot/www.sjds.net/runtime/temp/022a5b1eae5a9e3c31e54f699d8ae600.php ( 8.05 KB )
  140. /www/wwwroot/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000630s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000868s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000437s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000403s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000635s ]
  6. SELECT * FROM `set` [ RunTime:0.000329s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000674s ]
  8. SELECT * FROM `article` WHERE `id` = 519008 LIMIT 1 [ RunTime:0.000448s ]
  9. UPDATE `article` SET `lasttime` = 1790981600 WHERE `id` = 519008 [ RunTime:0.001892s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000377s ]
  11. SELECT * FROM `article` WHERE `id` < 519008 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000561s ]
  12. SELECT * FROM `article` WHERE `id` > 519008 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000441s ]
  13. SELECT * FROM `article` WHERE `id` < 519008 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000959s ]
  14. SELECT * FROM `article` WHERE `id` < 519008 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000630s ]
  15. SELECT * FROM `article` WHERE `id` < 519008 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000847s ]
0.090326s