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百舸争流展风采,同台竞技育人才。前郭小数的“一师一课”技能展示活动7月14日8时30分精彩继续,风雨兼程求学路,跋山涉水铸师魂,23名年轻的数学教师带来一场视听盛宴,下面让我们一睹他们的风采吧!
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 方婷婷","type":6},{"audio_music_id":0,"img_height":694,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/65b3be7d4e4227ca70b6ac3339b9eae4__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"方婷婷老师板书大方工整,思路清晰,为我们带来《没有括号的混合运算》。她从复习一级运算和二级运算顺序入手,引入不同级运算顺序的学习,使旧知识合理的迁移到新内容中。如果在导入环节从现实生活入手,使学生在解决实际问题中体会运算顺序,会更容易激发学生的学习兴趣,教学过程中,利用好几何直观表达算式含义,会更有利于学生理解算理。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 白杨","type":6},{"audio_music_id":0,"img_height":676,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/e01dc8985b2350d1d879b882f205fb9e__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"白杨老师基本功扎实,教法灵活,讲授了《认识厘米 》。她从古人使用身体尺入手,让学生感受到测量单位的不同导致交流障碍,体会统一单位的重要性,进而介绍尺子的刻度,刻度线以及厘米。希望在今后的教学中,注重让学生形成关于长度的量感,注意实践和比较环节课件演示的科学性。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 张晴晴","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/719c2c52fd5b13bc6174b42076c62229__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"张晴晴老师教态亲切自然,为我们带来的是《乘法的初步认识》。导入环节在游乐园的现实情境中提出问题,用加法的繁琐引出更简单的运算——乘法,明确加乘转化时的限制条件。希望在今后的教学过程中,能借助几何直观感受乘法模型。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 宋春雨","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/d1f8ba144e1855be988e9a18addf5e1c__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"宋春雨老师的声音如百灵般美妙清澈,为我们带来了《比的基本性质》。她通过探索3个比值相等比的联系与变化,猜想比的基本性质,再进行验证,利用图示直观地展示了比的基本性质。如果本节课能将分数的基本性质和商不变的性质联系在一起,效果可能会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学郑宝","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/4d9b5f9fa7e3a0350319732e9b7681b9__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"郑宝老师教态从容洒脱,为我们带来了《圆的面积》。他从实际问题入手,联想长方形、平行四边形、三角形和梯形的面积求法,思考圆的面积求法。将圆分割后的动画演示非常直观,体现了转化思想以及无限思想,圆的面积公式推导过程也很清楚,如果在操作之前能让学生大胆猜想圆的面积怎样算,更有利于培养学生的创新意识。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"平凤小学 丛佳旭","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/0a45b6bcbf7f0b3ab66d177b82fd5060__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"丛佳旭老师用严肃认真的教态,讲授了一节生动有趣的数学课,《三角形的内角和》。她用三角形三兄弟讨论各自内角和引导学生产生猜想,从特殊的直角三角形入手,再到锐角、钝角三角形,采用归纳的方法,利用量一量,撕、拼、折以及几何画板验证任意三角形的内角和为180°,本节课如果能从特殊直角三角形到一般直角三角形,再到锐角、钝角三角形的顺序探究,会更利于获得一般性的结论。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 李响","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/f7439aadca9ae696f18fd39c966c3a2f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"李响老师声音洪亮有力,教具准备充分,是一位注重培养学生自主操作、观察和交流能力的教师,他的《观察物体(二)》让学生从三个方向观察物体,谈发现,总结规律,有利于学生们空间观念和空间想象力的形成。希望在未来的教学中让教学语言更精炼,情感更饱满。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 李钰森","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/2d3096498c8bb88dc9573de540138431__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"李钰森老师严谨认真的精神感染着每一位学生,他的《复式统计表》从统计体育活动的真实任务入手,通过关注表中的数据信息,让学生感受到单式统计表的局限,进而引导学生独立完成将两个统计表合二为一。讲解时注重复式统计表的绘制方法,强调标题和表头的处理,总结了对复式统计表的特点和优势。希望下次他能克服紧张的情绪,为学生讲授更精彩的课程。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 牟嘉鑫","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/67bb4b48f6af6bbb3d399737cacef74d__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"牟嘉鑫老师的《长方形和正方形面积的计算》导入环节设计很巧妙,从游戏俄罗斯方块入手,体验面积是面积单位的累加,展示几个案例后提出疑问:能用更少的正方形得到长方形的面积么?能不用小正方形么?在大量举例后,得出长方形和正方形的面积算法,习题设计的也很巧妙,如果本节课的习题能与导入环节的设计前后呼应,会更加精彩。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 郑家印","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/b2151ae1c79c27467276412a74a70227__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"郑家印老师性格温柔可爱,语言简练,为我们带来了一节活泼有趣的数学课《平均分》,她让学生从分糖活动中体会到“移多补少”原则可以得到平均分的结果,结合生活中的分配情景,让学生动手操作体会如何平均分,关注学生从活动中获得的经验积累,利于学生对学习内容的意义构建。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学哈森其其格","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/115a58588ffccff2ad9dfdbab79d55aa__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"哈森其其格老师十分注重学生的学习感受,本节《比的意义》在神州十四号飞船大情景下学习比的意义,先复习同类量的比,再探讨不同类相关联数量的比,总结出比的意义,如果能运用直观感受两个量的比的含义,更具有现实价值,更有利于发展数感,区分比和除法的现实意义和应用背景。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学 鲁丁源","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/5c227f9191fee6f951c4d1b7edff9f5b__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"鲁丁源老师认真严谨,他的《平行四边形的面积》从多边形的周长入手,以比较长方形和平行四边形的面积为任务,采用数方格,割补等方法得到平行四边形的面积,通过三个不同的割补法渗透转化思想,发展空间观念和符号意识,体会底和高的对应关系。今后应更加关注引导学生在生活中应用知识,解决问题。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学袁萌萌","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7809f4a3f746d469fc5396d0e716c678__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"袁萌萌老师经验丰富,本节课《小数乘整数》从整数乘法入手,联想小数乘整数的算法,运用计数单位进行运算,通过观察猜想,验证的过程深入理解一个数乘4,相当于这个数乘4再乘0.1,突破了小数乘整数算理认识的难点,迁移与类推的方法运用得当。希望加强数学与生活的练习,更好地利用几何直观解释算理。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学张铭哲","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/52d80091bfb317a7f9368220050c07d7__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"张铭哲老师板书工整美观,具有十足的幽默感,为我们带来了《可能性》。导入环节创设六一游玩的情景,在抽取卡片的过程中逐步认识“可能,不可能,一定”的含义,同时感受结果与猜想的关联,通过了解确定性事件和不确定性事件,进一步理解可能性,让学生从模拟游戏中体验事情发生的可能性。若增强本节课的课堂节奏,课堂效果会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学周亿","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/1a8a40dcfa87690723992a82bdece72d__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"周亿老师的《植树问题》利用有趣的谜语引入新课,了解间隔的含义,解决问题时三类问题同时出现,有利于对比,如果引入图示或者直观图就能更好地解释植树问题的原理,也更加有利于学生建构植树问题的模型。
","type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/e7525a8e65e30c6917830ff16ed7ae3f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"套浩太乡小学 张悦","type":6},{"audio_music_id":0,"source":0,"text":"张悦是一位注重数学与生活实际相结合的老师,她的《小数的认识》从现实情景中找出小数,介绍小数各部分名称及读法写法,借助十进制计量单位,在度量的过程中认识小数,使用数轴引导学生认识一位小数,又通过现实生活中的例子增强学生的数感。如果能让学生说说用小数表示的钱数能买什么,用小数表示的长度有多长或有多高,就能使学生的数感、量感得到综合发展。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"套浩太乡小学 斯琴","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7d6eaee0495bf7ffd71fb91be43deda7__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"斯琴老师温柔和蔼,本节《搭配问题》从搭配衣服入手,点明有序思考的规则后,放手让学生讨论,展示搭配的过程和方法,学生用不同的方法来表达思考过程,运用几何直观解决问题,设计的鲜花、蛋糕、卡片的组合,重在引导学生运用搭配的知识解决稍复杂的问题。多给学生思考的时间,交流的机会,会有更加意想不到的结果。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"乌兰图嘎蒙古族小学 朱彤","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/1a9ddb7a7229d73252c8e49a9db1d295__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"朱彤老师的教态优雅从容,她带来了《轴对称图形》。本节课构思新颖,学习活动设计丰富,从翻折课题,我画你猜,剪纸等活动让学生感受到对称之美,带领学生认识对称轴和轴对称现象。小乌龟做广播体操、有趣的残花动画让学生进一步体会轴对称图形的特征。若将观察,想像,操作,比较等活动有机融合,会更有利于发展学生的空间观念。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"新庙小学 刘璐","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/45a31646216b8fd9d5642631975ead74__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"刘璐老师的《圆的认识》从套圈游戏入手,寻找最公平的方法,从众多实物中抽象出圆,与其它直线图形进行比较,发展空间观念。鼓励学生先想办法画圆,再学习圆规的使用方法,尝试用圆规画圆,介绍圆的各部分名称。刘老师善于利用图示进行直观教学,在教授数学知识的同时渗透了数学文化。注意核心问题的设计和学习活动的整合,有利于学生良好认知结构的形成。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 包晗","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/53bf65d0a2064eb4182c9eba08411f87__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"包晗老师的《口算除法》从实际问题入手,使用小棒通过推理得到整十数除以整十数的方法,尝试估算并交流估算的方法,用砸金蛋,转盘子的游戏开展练习,在不确定中增强了学生的学习兴趣。如果将估算置于实际问题的解决过程中会更合适。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 苏丽春","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/5c41275745e97dc30005a796cca35d78__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"苏丽春老师的《除法的初步认识》用大熊猫分竹笋,引出对除法的认识,用除法算式表达平均分的过程和结果,引导学生尝试解释除号前面和后面数的实际意义,可以举出生活中用除法表达数量关系的例子。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 孙雪","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7b3140c94f2d7378e465a23eddf2693e__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"孙雪老师带来了《圆的周长》,首先明确圆周长的含义,探索圆的周长测量方法,体验化曲为直的思想,探索圆的周长与直径的关系,用π表示周长与直径的比值,发展了符号意识,进一步推理出圆的周长公式,若能稍控制语速和节奏效果会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 王嘉玉","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/193393fc5bc9d43c1d022927201432d4__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"王嘉玉老师用西游记真假美猴王片段引入课题《真分数和假分数》,激发学生的学习兴趣,通过涂色表示分数,比较分数分子和分母的大小,分数与1的大小,来明确真假分数的意义。如果能提出一个关键问题或者核心问题之后,给学生时间操作,观察,比较,讨论以及归纳,会更有利于培养学生自主学习的能力,更有利于对真假分数概念的理解。
","type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/3840401d4544559ec74a27b744e08983__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/979a4eebd162384ff1c80038b0a49e6f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"梅须逊雪三分白,雪却输梅一段香。两天时间风采展示,50名数学教师争相竞技,各具特色,各有千秋,每位教师都严阵以待,努力呈现最出色的自己。求学路上风雨兼程,本次活动的开展青年教师课堂教学能力的一个验收,也是一次整体拉练。班主任也见证着一位位青年教师的蜕变,两年前初师青涩已渐渐成熟,一批批名师将在一轮轮的竞技中脱颖而出。昨天的路不曾停歇,努力的脚步终有收获,今天是一个节点,明天的你们更值得期待。接下来前郭小数人要紧紧围绕2022版数学课程标准,在每一个四十分钟里努力让自己的学生会用数学的眼光观察现实世界;会用数学的思维思考现实世界;会用数学的语言表达现实世界,努力转变教育观念,尝试从“跟着老师”走向“老师陪着”,尝试做一做“老师的教是为了不教”、尝试将数学核心素养成为我们每一节课的重点关注、尝试让数学思想在每节课中生根发芽……有很多期待希望可以在今后的课堂教学中成为可能。下一个路口不见不散!
编辑:陈正石
撰稿:国立民 邹春艳
审核:施来香
百舸争流展风采,同台竞技育人才。前郭小数的“一师一课”技能展示活动7月14日8时30分精彩继续,风雨兼程求学路,跋山涉水铸师魂,23名年轻的数学教师带来一场视听盛宴,下面让我们一睹他们的风采吧!
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 方婷婷","type":6},{"audio_music_id":0,"img_height":694,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/65b3be7d4e4227ca70b6ac3339b9eae4__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"方婷婷老师板书大方工整,思路清晰,为我们带来《没有括号的混合运算》。她从复习一级运算和二级运算顺序入手,引入不同级运算顺序的学习,使旧知识合理的迁移到新内容中。如果在导入环节从现实生活入手,使学生在解决实际问题中体会运算顺序,会更容易激发学生的学习兴趣,教学过程中,利用好几何直观表达算式含义,会更有利于学生理解算理。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 白杨","type":6},{"audio_music_id":0,"img_height":676,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/e01dc8985b2350d1d879b882f205fb9e__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"白杨老师基本功扎实,教法灵活,讲授了《认识厘米 》。她从古人使用身体尺入手,让学生感受到测量单位的不同导致交流障碍,体会统一单位的重要性,进而介绍尺子的刻度,刻度线以及厘米。希望在今后的教学中,注重让学生形成关于长度的量感,注意实践和比较环节课件演示的科学性。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 张晴晴","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/719c2c52fd5b13bc6174b42076c62229__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"张晴晴老师教态亲切自然,为我们带来的是《乘法的初步认识》。导入环节在游乐园的现实情境中提出问题,用加法的繁琐引出更简单的运算——乘法,明确加乘转化时的限制条件。希望在今后的教学过程中,能借助几何直观感受乘法模型。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"洪泉小学 宋春雨","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/d1f8ba144e1855be988e9a18addf5e1c__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"宋春雨老师的声音如百灵般美妙清澈,为我们带来了《比的基本性质》。她通过探索3个比值相等比的联系与变化,猜想比的基本性质,再进行验证,利用图示直观地展示了比的基本性质。如果本节课能将分数的基本性质和商不变的性质联系在一起,效果可能会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学郑宝","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/4d9b5f9fa7e3a0350319732e9b7681b9__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"郑宝老师教态从容洒脱,为我们带来了《圆的面积》。他从实际问题入手,联想长方形、平行四边形、三角形和梯形的面积求法,思考圆的面积求法。将圆分割后的动画演示非常直观,体现了转化思想以及无限思想,圆的面积公式推导过程也很清楚,如果在操作之前能让学生大胆猜想圆的面积怎样算,更有利于培养学生的创新意识。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"平凤小学 丛佳旭","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/0a45b6bcbf7f0b3ab66d177b82fd5060__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"丛佳旭老师用严肃认真的教态,讲授了一节生动有趣的数学课,《三角形的内角和》。她用三角形三兄弟讨论各自内角和引导学生产生猜想,从特殊的直角三角形入手,再到锐角、钝角三角形,采用归纳的方法,利用量一量,撕、拼、折以及几何画板验证任意三角形的内角和为180°,本节课如果能从特殊直角三角形到一般直角三角形,再到锐角、钝角三角形的顺序探究,会更利于获得一般性的结论。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 李响","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/f7439aadca9ae696f18fd39c966c3a2f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"李响老师声音洪亮有力,教具准备充分,是一位注重培养学生自主操作、观察和交流能力的教师,他的《观察物体(二)》让学生从三个方向观察物体,谈发现,总结规律,有利于学生们空间观念和空间想象力的形成。希望在未来的教学中让教学语言更精炼,情感更饱满。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 李钰森","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/2d3096498c8bb88dc9573de540138431__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"李钰森老师严谨认真的精神感染着每一位学生,他的《复式统计表》从统计体育活动的真实任务入手,通过关注表中的数据信息,让学生感受到单式统计表的局限,进而引导学生独立完成将两个统计表合二为一。讲解时注重复式统计表的绘制方法,强调标题和表头的处理,总结了对复式统计表的特点和优势。希望下次他能克服紧张的情绪,为学生讲授更精彩的课程。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 牟嘉鑫","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/67bb4b48f6af6bbb3d399737cacef74d__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"牟嘉鑫老师的《长方形和正方形面积的计算》导入环节设计很巧妙,从游戏俄罗斯方块入手,体验面积是面积单位的累加,展示几个案例后提出疑问:能用更少的正方形得到长方形的面积么?能不用小正方形么?在大量举例后,得出长方形和正方形的面积算法,习题设计的也很巧妙,如果本节课的习题能与导入环节的设计前后呼应,会更加精彩。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭镇中心小学 郑家印","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/b2151ae1c79c27467276412a74a70227__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"郑家印老师性格温柔可爱,语言简练,为我们带来了一节活泼有趣的数学课《平均分》,她让学生从分糖活动中体会到“移多补少”原则可以得到平均分的结果,结合生活中的分配情景,让学生动手操作体会如何平均分,关注学生从活动中获得的经验积累,利于学生对学习内容的意义构建。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学哈森其其格","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/115a58588ffccff2ad9dfdbab79d55aa__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"哈森其其格老师十分注重学生的学习感受,本节《比的意义》在神州十四号飞船大情景下学习比的意义,先复习同类量的比,再探讨不同类相关联数量的比,总结出比的意义,如果能运用直观感受两个量的比的含义,更具有现实价值,更有利于发展数感,区分比和除法的现实意义和应用背景。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学 鲁丁源","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/5c227f9191fee6f951c4d1b7edff9f5b__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"鲁丁源老师认真严谨,他的《平行四边形的面积》从多边形的周长入手,以比较长方形和平行四边形的面积为任务,采用数方格,割补等方法得到平行四边形的面积,通过三个不同的割补法渗透转化思想,发展空间观念和符号意识,体会底和高的对应关系。今后应更加关注引导学生在生活中应用知识,解决问题。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学袁萌萌","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7809f4a3f746d469fc5396d0e716c678__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"袁萌萌老师经验丰富,本节课《小数乘整数》从整数乘法入手,联想小数乘整数的算法,运用计数单位进行运算,通过观察猜想,验证的过程深入理解一个数乘4,相当于这个数乘4再乘0.1,突破了小数乘整数算理认识的难点,迁移与类推的方法运用得当。希望加强数学与生活的练习,更好地利用几何直观解释算理。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学张铭哲","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/52d80091bfb317a7f9368220050c07d7__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"张铭哲老师板书工整美观,具有十足的幽默感,为我们带来了《可能性》。导入环节创设六一游玩的情景,在抽取卡片的过程中逐步认识“可能,不可能,一定”的含义,同时感受结果与猜想的关联,通过了解确定性事件和不确定性事件,进一步理解可能性,让学生从模拟游戏中体验事情发生的可能性。若增强本节课的课堂节奏,课堂效果会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"前郭蒙古族实验小学周亿","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/1a8a40dcfa87690723992a82bdece72d__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"周亿老师的《植树问题》利用有趣的谜语引入新课,了解间隔的含义,解决问题时三类问题同时出现,有利于对比,如果引入图示或者直观图就能更好地解释植树问题的原理,也更加有利于学生建构植树问题的模型。
","type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/e7525a8e65e30c6917830ff16ed7ae3f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"套浩太乡小学 张悦","type":6},{"audio_music_id":0,"source":0,"text":"张悦是一位注重数学与生活实际相结合的老师,她的《小数的认识》从现实情景中找出小数,介绍小数各部分名称及读法写法,借助十进制计量单位,在度量的过程中认识小数,使用数轴引导学生认识一位小数,又通过现实生活中的例子增强学生的数感。如果能让学生说说用小数表示的钱数能买什么,用小数表示的长度有多长或有多高,就能使学生的数感、量感得到综合发展。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"套浩太乡小学 斯琴","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7d6eaee0495bf7ffd71fb91be43deda7__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"斯琴老师温柔和蔼,本节《搭配问题》从搭配衣服入手,点明有序思考的规则后,放手让学生讨论,展示搭配的过程和方法,学生用不同的方法来表达思考过程,运用几何直观解决问题,设计的鲜花、蛋糕、卡片的组合,重在引导学生运用搭配的知识解决稍复杂的问题。多给学生思考的时间,交流的机会,会有更加意想不到的结果。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"乌兰图嘎蒙古族小学 朱彤","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/1a9ddb7a7229d73252c8e49a9db1d295__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"朱彤老师的教态优雅从容,她带来了《轴对称图形》。本节课构思新颖,学习活动设计丰富,从翻折课题,我画你猜,剪纸等活动让学生感受到对称之美,带领学生认识对称轴和轴对称现象。小乌龟做广播体操、有趣的残花动画让学生进一步体会轴对称图形的特征。若将观察,想像,操作,比较等活动有机融合,会更有利于发展学生的空间观念。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"新庙小学 刘璐","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/45a31646216b8fd9d5642631975ead74__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"刘璐老师的《圆的认识》从套圈游戏入手,寻找最公平的方法,从众多实物中抽象出圆,与其它直线图形进行比较,发展空间观念。鼓励学生先想办法画圆,再学习圆规的使用方法,尝试用圆规画圆,介绍圆的各部分名称。刘老师善于利用图示进行直观教学,在教授数学知识的同时渗透了数学文化。注意核心问题的设计和学习活动的整合,有利于学生良好认知结构的形成。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 包晗","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/53bf65d0a2064eb4182c9eba08411f87__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"包晗老师的《口算除法》从实际问题入手,使用小棒通过推理得到整十数除以整十数的方法,尝试估算并交流估算的方法,用砸金蛋,转盘子的游戏开展练习,在不确定中增强了学生的学习兴趣。如果将估算置于实际问题的解决过程中会更合适。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 苏丽春","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/5c41275745e97dc30005a796cca35d78__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"苏丽春老师的《除法的初步认识》用大熊猫分竹笋,引出对除法的认识,用除法算式表达平均分的过程和结果,引导学生尝试解释除号前面和后面数的实际意义,可以举出生活中用除法表达数量关系的例子。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 孙雪","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/7b3140c94f2d7378e465a23eddf2693e__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"孙雪老师带来了《圆的周长》,首先明确圆周长的含义,探索圆的周长测量方法,体验化曲为直的思想,探索圆的周长与直径的关系,用π表示周长与直径的比值,发展了符号意识,进一步推理出圆的周长公式,若能稍控制语速和节奏效果会更好。
","type":1},{"audio_music_id":0,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":1,"text":"长山小学 王嘉玉","type":6},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/193393fc5bc9d43c1d022927201432d4__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"王嘉玉老师用西游记真假美猴王片段引入课题《真分数和假分数》,激发学生的学习兴趣,通过涂色表示分数,比较分数分子和分母的大小,分数与1的大小,来明确真假分数的意义。如果能提出一个关键问题或者核心问题之后,给学生时间操作,观察,比较,讨论以及归纳,会更有利于培养学生自主学习的能力,更有利于对真假分数概念的理解。
","type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/3840401d4544559ec74a27b744e08983__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/312048701/979a4eebd162384ff1c80038b0a49e6f__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"audio_music_id":0,"source":0,"text":"梅须逊雪三分白,雪却输梅一段香。两天时间风采展示,50名数学教师争相竞技,各具特色,各有千秋,每位教师都严阵以待,努力呈现最出色的自己。求学路上风雨兼程,本次活动的开展青年教师课堂教学能力的一个验收,也是一次整体拉练。班主任也见证着一位位青年教师的蜕变,两年前初师青涩已渐渐成熟,一批批名师将在一轮轮的竞技中脱颖而出。昨天的路不曾停歇,努力的脚步终有收获,今天是一个节点,明天的你们更值得期待。接下来前郭小数人要紧紧围绕2022版数学课程标准,在每一个四十分钟里努力让自己的学生会用数学的眼光观察现实世界;会用数学的思维思考现实世界;会用数学的语言表达现实世界,努力转变教育观念,尝试从“跟着老师”走向“老师陪着”,尝试做一做“老师的教是为了不教”、尝试将数学核心素养成为我们每一节课的重点关注、尝试让数学思想在每节课中生根发芽……有很多期待希望可以在今后的课堂教学中成为可能。下一个路口不见不散!
编辑:陈正石
撰稿:国立民 邹春艳
审核:施来香