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以形助数,以数化形,数形结合——平邑兴蒙学校数学大单元研讨活动
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高艳老师执教的《数与形》是人教版六年级上册数学广角的内容。数形结合是一种非常重要的数学思想,把数和形结合起来解决问题,可以使复杂的问题变得更简单,使抽象的问题变得更直观。高老师精心准备,充分发挥孩子的主观能动性,给大家带来了一堂示范引领课。
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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/dXNlcnMvMTg2MDg3MzMvNjY0MDUzMjNhMDg0N2RiOWE4NWExMGI4NDk0MTFkMTBfX2pwZy5oZWlj/nickname/5LiA6aKX5bCP5pif5pif/userid/MTg2MDg3MzM=/sign/795b9c19423486bdf241370251169b17"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"12b3931b9224fc9f3301899e431238ab"},"img_del":0,"img_height":1126,"img_size":73,"img_url":"https://ss-mpvolc.meipian.me/users/18608733/2c2ec75780fc8de1b9f7682d008cd0d3__jpg.heic","img_width":1500,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"高艳老师执教的《数与形》一课充分体现了对学生数学核心素养的培养的要求:引导学生在动口、动手、动脑的过程中经历直观的“形”解释抽象的“数”,抽象的“数”理性表达直观的“形”的过程;提供多条途径沟通“数”与“形”的联系,引导学生感悟数学学习中“数”与“形”的相融相助的关系。
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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/dXNlcnMvMTg2MDg3MzMvNjY0MDUzMjNhMDg0N2RiOWE4NWExMGI4NDk0MTFkMTBfX2pwZy5oZWlj/nickname/5LiA6aKX5bCP5pif5pif/userid/MTg2MDg3MzM=/sign/795b9c19423486bdf241370251169b17"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"12b3931b9224fc9f3301899e431238ab"},"img_del":0,"img_height":1126,"img_size":73,"img_url":"https://ss-mpvolc.meipian.me/users/18608733/2c2ec75780fc8de1b9f7682d008cd0d3__jpg.heic","img_width":1500,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"高艳老师执教的《数与形》一课充分体现了对学生数学核心素养的培养的要求:引导学生在动口、动手、动脑的过程中经历直观的“形”解释抽象的“数”,抽象的“数”理性表达直观的“形”的过程;提供多条途径沟通“数”与“形”的联系,引导学生感悟数学学习中“数”与“形”的相融相助的关系。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTg2MDg3MzMvMmMyZWM3NTc4MGZjOGRlMWI5Zjc2ODJkMDA4Y2QwZDNfX2pwZy5oZWlj/nickname/5LiA6aKX5bCP5pif5pif/userid/MTg2MDg3MzM=/sign/795b9c19423486bdf241370251169b17"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"b7b93683ffa0f0c4b1b79a9fa0df10ba"},"img_del":0,"img_height":2000,"img_url":"https://ss-mpvolc.meipian.me/users/18608733/2fcd02c74638ec9891b14f2f9e96a280__jpg.heic","img_width":1500,"is_origin":false,"location_del":0,"sectionPublished":true,"sell_del":0,"source":0,"text":"课后高艳老师主要针对六年级上册数学广角《数与形》的教学设计,进行了交流。她认为教材在编写这部分内容时,并不是要学生去掌握某个特定的规律或模型,而是强调在教学过程中对数形结合思想方法的体验与总结,培养学生自觉应用数形结合思想的意识。因而,在教学过程中,教师很关注学生的探究过程,以及关注数形结合的两方面,即用“形”辅助解决“数”的问题和用“数”辅助解决“形”的问题。
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