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秋雨微澜,学情蹁跹。为推动我校及兄弟学校课程改革,加强课堂教学研究,打造高效课堂,促进教师专业发展,培养学生核心素养。8月25日,各校小学数学教师代表们迎着秋季微雨,积极参加万年县第一小学联合《江西教育》开展的万年县“专家进校园”观摩研讨活动。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"04d5fd7cf8942b20a9ef49f77c4c5b67"},"img_del":0,"img_height":562,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/5f311ddd25f84a2187ffd83cb44d67cd__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvNWYzMTFkZGQyNWY4NGEyMTg3ZmZkODNjYjQ0ZDY3Y2RfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"01737b5920eb12bd8a3baf6187803d55"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"情与思互动,思与情共融。伴随主持人刘晓清老师隆重地介绍,我们用热烈的掌声迎来了第一位小学数学专家——严亚雄老师。在她温柔甜美的声音里,我们感受到她与孩子们交流的自然与和谐;在她循循善诱的语言里,我们感受到她教学的智慧与灵动。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"762556f69673985fe1c67e8106dfc563"},"img_del":0,"img_height":1500,"img_size":2099,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/origin4eafb6ce7f6f2d8c4e5418de80a19293__jpg.heic","img_width":2000,"is_origin":true,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5Nzcvb3JpZ2luNGVhZmI2Y2U3ZjZmMmQ4YzRlNTQxOGRlODBhMTkyOTNfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"a9633fffa076316b228019f388c1c25a"},"img_del":0,"img_height":1500,"img_size":2140,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/origin980399ab0a3bd6f52fe14012754c5073__jpg.heic","img_width":2000,"is_origin":true,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5Nzcvb3JpZ2luOTgwMzk5YWIwYTNiZDZmNTJmZTE0MDEyNzU0YzUwNzNfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9ce7608a79f38819e0e011886b2ce300"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"教学有情,思维有理。严老师通过故事、游戏让学生感受不断重复出现的生活现象,发现这些现象的规律:小丑抛的帽子总是红→黄→红→黄→红→……不断重复出现;在交通信号灯不坏的情况下有绿→黄→红→绿→黄→红→……不断重复出现;唱的生日歌总有祝你生日快乐→祝你生日快乐→祝你生日快乐→……不断重复出现;而在玩转盘时有时是看,有时是玩,有时是唱,并没有特别的规律。这种有规律的现象在数学中叫什么呢?引导学生说出课题“周期”。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"ef3a7db16e6e6374aba32f341b49eb39"},"img_del":0,"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/1692968226646__jpg.heic","img_width":1080,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":1,"splicing_template_id":201,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvMTY5Mjk2ODIyNjY0Nl9fanBnLmhlaWM=/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9a81b56e49de39bb5d55b6beb56e3050"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"严老师出示:△□○△,让学生继续猜想这组有规律图形第5个图形形状。并提问:至少要看到几组才能确定规律?
学生在说、画、圈的主动探究过程中,汇报出自己的猜想图形并解释原因。在相同的周期规律中摆下去,第22个图形会是什么形状呢?这时有同学在解释的过程中运用了巧妙的计算方法:22÷3=7(组)……1(个),从而得出第22个图形是三角形。
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","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvNWEyZmU1MWI1YjI3NDczOGEzNmIyYzdmODMzMzVmYTJfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"dcb079d59de7397e5c3f5753db033ea2"},"img_del":0,"img_height":1500,"img_size":2068,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/origin395a1a5026ba982bb57f71d744dddd7d__jpg.heic","img_width":2000,"is_origin":true,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5Nzcvb3JpZ2luMzk1YTFhNTAyNmJhOTgyYmI1N2Y3MWQ3NDRkZGRkN2RfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"0cf86a5e8de3131ec023593e9ee1b60e"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"数学思维也就是人们通常所指的数学思维能力,即能够用数学的观点去思考问题和解决问题的能力。比如转化与划归,从一般到特殊、特殊到一般,变化与不变,函数或映射的思想等等。下午的数学课堂,夏永立老师让孩子们在一张纸中探索了变与不变:
夏老师让孩子们说出长为30cm,宽为20cm的长方形卡纸的周长是多少,孩子们用所学知识很快给出了不同计算方法的相同结果。
接着让孩子们在长方形卡纸上剪下一个最大的正方形,要怎么剪?剩下的小长方形周长是多少?学生上台展示并说出了自己的想法。
那如果从一个角上减去一个小长方形呢?周长是多少?
如果我要确保周长为100cm,还可以怎么剪呢?
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请大家再看看陈艺同学的剪法:剪去小长方形后剩下的图形周长是多少?有谁和她的剪法一样的,能不能说说你是怎么想的?
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvMTY5Mjk3MjU2Nzg4OV9fanBnLmhlaWM=/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"bfd2a83c3ef69446cd3aa6661516dbed"},"img_del":0,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"source_platform":"local","text":"班上的孩子语言表达能力真不错,他把思路和计算过程说得清清楚楚。
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审核:王 瑶
推送:李爱华
编辑:汪文娟
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","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"04d5fd7cf8942b20a9ef49f77c4c5b67"},"img_del":0,"img_height":562,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/5f311ddd25f84a2187ffd83cb44d67cd__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvNWYzMTFkZGQyNWY4NGEyMTg3ZmZkODNjYjQ0ZDY3Y2RfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"01737b5920eb12bd8a3baf6187803d55"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"情与思互动,思与情共融。伴随主持人刘晓清老师隆重地介绍,我们用热烈的掌声迎来了第一位小学数学专家——严亚雄老师。在她温柔甜美的声音里,我们感受到她与孩子们交流的自然与和谐;在她循循善诱的语言里,我们感受到她教学的智慧与灵动。
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","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"ef3a7db16e6e6374aba32f341b49eb39"},"img_del":0,"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/1692968226646__jpg.heic","img_width":1080,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":1,"splicing_template_id":201,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvMTY5Mjk2ODIyNjY0Nl9fanBnLmhlaWM=/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9a81b56e49de39bb5d55b6beb56e3050"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"严老师出示:△□○△,让学生继续猜想这组有规律图形第5个图形形状。并提问:至少要看到几组才能确定规律?
学生在说、画、圈的主动探究过程中,汇报出自己的猜想图形并解释原因。在相同的周期规律中摆下去,第22个图形会是什么形状呢?这时有同学在解释的过程中运用了巧妙的计算方法:22÷3=7(组)……1(个),从而得出第22个图形是三角形。
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","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvNWEyZmU1MWI1YjI3NDczOGEzNmIyYzdmODMzMzVmYTJfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"dcb079d59de7397e5c3f5753db033ea2"},"img_del":0,"img_height":1500,"img_size":2068,"img_url":"https://ss-mpvolc.meipian.me/users/18839977/origin395a1a5026ba982bb57f71d744dddd7d__jpg.heic","img_width":2000,"is_origin":true,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5Nzcvb3JpZ2luMzk1YTFhNTAyNmJhOTgyYmI1N2Y3MWQ3NDRkZGRkN2RfX2pwZy5oZWlj/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"0cf86a5e8de3131ec023593e9ee1b60e"},"img_del":0,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"数学思维也就是人们通常所指的数学思维能力,即能够用数学的观点去思考问题和解决问题的能力。比如转化与划归,从一般到特殊、特殊到一般,变化与不变,函数或映射的思想等等。下午的数学课堂,夏永立老师让孩子们在一张纸中探索了变与不变:
夏老师让孩子们说出长为30cm,宽为20cm的长方形卡纸的周长是多少,孩子们用所学知识很快给出了不同计算方法的相同结果。
接着让孩子们在长方形卡纸上剪下一个最大的正方形,要怎么剪?剩下的小长方形周长是多少?学生上台展示并说出了自己的想法。
那如果从一个角上减去一个小长方形呢?周长是多少?
如果我要确保周长为100cm,还可以怎么剪呢?
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请大家再看看陈艺同学的剪法:剪去小长方形后剩下的图形周长是多少?有谁和她的剪法一样的,能不能说说你是怎么想的?
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg4Mzk5NzcvMTY5Mjk3MjU2Nzg4OV9fanBnLmhlaWM=/nickname/5LiH5bm05LiA5bCP/userid/MTg4Mzk5Nzc=/sign/ed38cc953ef1918da923a86ad0552ae9"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"bfd2a83c3ef69446cd3aa6661516dbed"},"img_del":0,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"source_platform":"local","text":"班上的孩子语言表达能力真不错,他把思路和计算过程说得清清楚楚。
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审核:王 瑶
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