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在双减背景下,良朋小学数学备课组明确全面减压作业总量和时长,大力提升教育教学质量,提升教师教学能力,提高集体备课效率,9月17日,以2021学年第一学期小学数学学科教研组会议为契机,良朋小学数学备课组迎来了“且行且思,做实做强”的备课组集体展示活动。本次活动分为三个环节。
","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"环节一:课堂展示","type":6},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
第一环节,三节课堂展示课:第五小学刘诗怡老师执教《100以内的加减法》、良朋小学叶建华老师执教《四边形的认识》、第十小学张丽萍老师执教《位置与方向》。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/5c14514924ab4f8e8a72827de402a441__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvNWMxNDUxNDkyNGFiNGY4ZThhNzI4MjdkZTQwMmE0NDFfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"叶建华老师从谈话进入了解学生对四边形的认识起点,第一环节主要通过画长、正方形,对比长、正方形特征,同时通过探究长、正方形的关联发现改变边的长度会引起图形变化。第二环节通过用小棒搭不同的四边形,认识四边形特征及关系。从错例“三角形、不封闭图形”出发定义四边形是由四条边围成的封闭图形。又从特征入手认识不常见的凹四边形。在探究关系时对比平行四边形和长方形,菱形和正方形,通过学生的拨动和观察发现其中的变与不变。第三环节利用一号袋认识梯形,总结所有四边形的特点。通过几何画板对一般四边形——正方形这一个从一般到特殊的过程进行总结:边的位置和长短决定了四边形。最后通过一道练习考查学生对四边形特征和关系的考察。
","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"环节二:备课组集体展示","type":6},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"在校领导的支持下,良小全体数学组的老师们都参与了此次活动。
良朋小学数学备课组做了充分的准备,他们按照组内成员的特长分配了准备工作、准备了发言稿、做了精美的展示课件,可谓精心策划,丝丝入扣。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/8ad488122b09494e9904cc4d2b293ad0__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOGFkNDg4MTIyYjA5NDk0ZTk5MDRjYzRkMmIyOTNhZDBfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"林芳老师是良朋小学数学学科的掌舵人,在她的引领下,良小数学组形成浓厚的研究气氛。她作了题为《且行且思 做实做强》的经验交流。从指导思想、工作目标、工作措施、团队培养等方面介绍了学校数学教研组在常规教学、备课、竞赛、青年教师培养等方面进行了交流与分享。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/47a9a4ce8535475497d3a97cff25fcb3__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvNDdhOWE0Y2U4NTM1NDc1NDk3ZDNhOTdjZmYyNWZjYjNfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"王丽老师从教材解读和教学实施两方面为大家带来了《“图形与几何”邻域的教材梳理和解读》。阐述了在一年级下册学生已经安排学习初步辨认长方形和正方形的基础上,三年级安排《长方形和正方形》单元学习的价值在哪里?这是这是学生第一次归纳某类图形的特征,从初步感知、辨认平面图形到掌握其特征是一次数学化的过程,是学生掌握几何图形概念的一次质的飞跃,从边的长度和图形的角度两个维度认识和描述图形,理清图形与图形之间的关系,这对后续学习其它图形的特征、两线位置关系以及周长、面积、体积等知识起着重要作用。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/90bb2d59a8b0444c826a9e9ad36ef1b0__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOTBiYjJkNTlhOGIwNDQ0YzgyNmE5ZTlhZDM2ZWYxYjBfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"为了更好地比较学生经过这堂课的学习,为了保持诊断的准确性,刘丹老师通过《基于学生前后测的学情诊断》,用数据来发现孩子们的增量有多少。经过课前研究,设计了4道测试题,对三年级的一个班级做了调查和分析,为课堂教学设计和改进提供建议与思路:(1)通过搭、画、辨,让学生理解长、正方形及四边形的概念,理清它们之间的关系,掌握其特征。(2)通过观察、比较,发现随着四边形的边和角度的变化而使图形发生改变,增强学生对各种四边形的特征及其内在联系的认识。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/bbb71c7081344af7bf90349331b3da3f__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvYmJiNzFjNzA4MTM0NGFmN2JmOTAzNDkzMzFiM2RhM2ZfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"袁雪敏老师以教研组内叶建华老师执教《四边形的认识》的课例为基准,以“四边形”为始点,设置了结构化题组。她呈现出的七组题型,从“研究图形与图形之间的关系”、“感悟图形动态的变化”、“利用知识的迁移”三个方面对图形的特征,长、正方形的周长和面积展开了题组设置,旨在培养学生的空间观念。题组设置中,还加强了对学生对手操作能力的培养目标。从图形的特征,图形与图形之间的关系,周长和面积的变化为抓手,展开了尝试,让人印象深刻,也对教研组今后的备课组活动提供了新的模式参考。
","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/b23ea86c891a49acafc03772ea8f91cd__jpeg.heic","img_width":1440,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvYjIzZWE4NmM4OTFhNDlhY2FmYzAzNzcyZWE4ZjkxY2RfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"王霞老师带来了《培养空间观的策略》,她认为空间观的培养是小学数学教学中的核心内容,只有形成良好的空间观观念,才能更好的形成地学习几何知识,提高学生的空间想象力。要从三个方面培养空间观策略:1.理清图形要素,建立基本要素之间的关系2.借助动态变化,实现静态与动态之间的变化3.构建平面与立体的关系,实现二维与三维之间的转化来谈谈如何培养空间观念。
","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"专家引领","type":6},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/9ceb0da4c18749b890676f13ad170a92__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOWNlYjBkYTRjMTg3NDliODkwNjc2ZjEzYWQxNzBhOTJfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"教研员厉老师、黄老师首先对良朋小学的备课组的能力和素养给予了肯定。厉老师以“双减”为切入点,强调了课内作业的重要性,对于课堂提出“材尽其用、教学有序、聚焦思维”的宝贵建议。同时对在教学中存在的优势和短板进行了分析,希望大家在日常教学中要将教学工作做细做实。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/fadd35559e464ea0a147fc2580e34d8f__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvZmFkZDM1NTU5ZTQ2NGVhMGExNDdmYzI1ODBlMzRkOGZfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"最后,黄老师为大家作了《空间观念如何培养》的精彩讲座,指出每个学段,所要研究的思维水平的层次是不一样的。给老师们也提出了培养空间观念的可行性建议:1.围绕图形的要素、要素和要素之间、要素和图形之间的关系展开想象发展空间观念。2.加强动手操作,搭建中发展空间观念,想象里强化空间观念。3.从动态的观点去研究图形。4.空间观念培养构成的核心就是要培养学生的空间想象和转换。
","type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"路漫漫其修远兮,吾将上下而求索,教学路上,我们良小团队不忘初心,且行且思,努力做实做强!
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","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"环节一:课堂展示","type":6},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
第一环节,三节课堂展示课:第五小学刘诗怡老师执教《100以内的加减法》、良朋小学叶建华老师执教《四边形的认识》、第十小学张丽萍老师执教《位置与方向》。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/5c14514924ab4f8e8a72827de402a441__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvNWMxNDUxNDkyNGFiNGY4ZThhNzI4MjdkZTQwMmE0NDFfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"叶建华老师从谈话进入了解学生对四边形的认识起点,第一环节主要通过画长、正方形,对比长、正方形特征,同时通过探究长、正方形的关联发现改变边的长度会引起图形变化。第二环节通过用小棒搭不同的四边形,认识四边形特征及关系。从错例“三角形、不封闭图形”出发定义四边形是由四条边围成的封闭图形。又从特征入手认识不常见的凹四边形。在探究关系时对比平行四边形和长方形,菱形和正方形,通过学生的拨动和观察发现其中的变与不变。第三环节利用一号袋认识梯形,总结所有四边形的特点。通过几何画板对一般四边形——正方形这一个从一般到特殊的过程进行总结:边的位置和长短决定了四边形。最后通过一道练习考查学生对四边形特征和关系的考察。
","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"环节二:备课组集体展示","type":6},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"在校领导的支持下,良小全体数学组的老师们都参与了此次活动。
良朋小学数学备课组做了充分的准备,他们按照组内成员的特长分配了准备工作、准备了发言稿、做了精美的展示课件,可谓精心策划,丝丝入扣。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/8ad488122b09494e9904cc4d2b293ad0__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOGFkNDg4MTIyYjA5NDk0ZTk5MDRjYzRkMmIyOTNhZDBfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"林芳老师是良朋小学数学学科的掌舵人,在她的引领下,良小数学组形成浓厚的研究气氛。她作了题为《且行且思 做实做强》的经验交流。从指导思想、工作目标、工作措施、团队培养等方面介绍了学校数学教研组在常规教学、备课、竞赛、青年教师培养等方面进行了交流与分享。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/47a9a4ce8535475497d3a97cff25fcb3__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvNDdhOWE0Y2U4NTM1NDc1NDk3ZDNhOTdjZmYyNWZjYjNfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"王丽老师从教材解读和教学实施两方面为大家带来了《“图形与几何”邻域的教材梳理和解读》。阐述了在一年级下册学生已经安排学习初步辨认长方形和正方形的基础上,三年级安排《长方形和正方形》单元学习的价值在哪里?这是这是学生第一次归纳某类图形的特征,从初步感知、辨认平面图形到掌握其特征是一次数学化的过程,是学生掌握几何图形概念的一次质的飞跃,从边的长度和图形的角度两个维度认识和描述图形,理清图形与图形之间的关系,这对后续学习其它图形的特征、两线位置关系以及周长、面积、体积等知识起着重要作用。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/90bb2d59a8b0444c826a9e9ad36ef1b0__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOTBiYjJkNTlhOGIwNDQ0YzgyNmE5ZTlhZDM2ZWYxYjBfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"为了更好地比较学生经过这堂课的学习,为了保持诊断的准确性,刘丹老师通过《基于学生前后测的学情诊断》,用数据来发现孩子们的增量有多少。经过课前研究,设计了4道测试题,对三年级的一个班级做了调查和分析,为课堂教学设计和改进提供建议与思路:(1)通过搭、画、辨,让学生理解长、正方形及四边形的概念,理清它们之间的关系,掌握其特征。(2)通过观察、比较,发现随着四边形的边和角度的变化而使图形发生改变,增强学生对各种四边形的特征及其内在联系的认识。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/bbb71c7081344af7bf90349331b3da3f__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvYmJiNzFjNzA4MTM0NGFmN2JmOTAzNDkzMzFiM2RhM2ZfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"袁雪敏老师以教研组内叶建华老师执教《四边形的认识》的课例为基准,以“四边形”为始点,设置了结构化题组。她呈现出的七组题型,从“研究图形与图形之间的关系”、“感悟图形动态的变化”、“利用知识的迁移”三个方面对图形的特征,长、正方形的周长和面积展开了题组设置,旨在培养学生的空间观念。题组设置中,还加强了对学生对手操作能力的培养目标。从图形的特征,图形与图形之间的关系,周长和面积的变化为抓手,展开了尝试,让人印象深刻,也对教研组今后的备课组活动提供了新的模式参考。
","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/b23ea86c891a49acafc03772ea8f91cd__jpeg.heic","img_width":1440,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvYjIzZWE4NmM4OTFhNDlhY2FmYzAzNzcyZWE4ZjkxY2RfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"王霞老师带来了《培养空间观的策略》,她认为空间观的培养是小学数学教学中的核心内容,只有形成良好的空间观观念,才能更好的形成地学习几何知识,提高学生的空间想象力。要从三个方面培养空间观策略:1.理清图形要素,建立基本要素之间的关系2.借助动态变化,实现静态与动态之间的变化3.构建平面与立体的关系,实现二维与三维之间的转化来谈谈如何培养空间观念。
","type":1},{"source_platform":"local","subtitle_align":"center","subtitle_color":"#843D19","subtitle_font_size":"medium","subtitle_style_id":11,"text":"专家引领","type":6},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/9ceb0da4c18749b890676f13ad170a92__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvOWNlYjBkYTRjMTg3NDliODkwNjc2ZjEzYWQxNzBhOTJfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"教研员厉老师、黄老师首先对良朋小学的备课组的能力和素养给予了肯定。厉老师以“双减”为切入点,强调了课内作业的重要性,对于课堂提出“材尽其用、教学有序、聚焦思维”的宝贵建议。同时对在教学中存在的优势和短板进行了分析,希望大家在日常教学中要将教学工作做细做实。
","type":1},{"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/64326080/fadd35559e464ea0a147fc2580e34d8f__jpeg.heic","img_width":2666,"source":0,"source_platform":"local","splicing_template_id":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNjQzMjYwODAvZmFkZDM1NTU5ZTQ2NGVhMGExNDdmYzI1ODBlMzRkOGZfX2pwZWcuaGVpYw==/nickname/5L6R/userid/NjQzMjYwODA=/sign/77d0f1ea4763f8ce5ef802e1898349df"},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"最后,黄老师为大家作了《空间观念如何培养》的精彩讲座,指出每个学段,所要研究的思维水平的层次是不一样的。给老师们也提出了培养空间观念的可行性建议:1.围绕图形的要素、要素和要素之间、要素和图形之间的关系展开想象发展空间观念。2.加强动手操作,搭建中发展空间观念,想象里强化空间观念。3.从动态的观点去研究图形。4.空间观念培养构成的核心就是要培养学生的空间想象和转换。
","type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"路漫漫其修远兮,吾将上下而求索,教学路上,我们良小团队不忘初心,且行且思,努力做实做强!
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