工作就用美篇工作版","guide_search_desc":"海量模板范文,一键做同款 工作就用美篇工作版","img_beautify_switch":0,"ad_free":0,"text_direction":1,"template":{"id":9242,"series_id":24,"theme_id":24},"container":{},"redirect":{"redirect_type":1,"img_url":false,"link_url":"/wap/downloadpage/backpage","button_bg_color":false,"button_desc":false,"redirect_desc":false},"edit_date_str":"更新于 2023-04-11","current_time":1744251544,"font_name":"FZKTJW","rcmd_meipian":0,"hide_article_link":0,"from_wechat":false,"topk_keywords":[{"name":"学生","score":0.335613},{"name":"教学","score":0.267611},{"name":"模型","score":0.15038},{"name":"简便","score":0.135668},{"name":"计算","score":0.134901},{"name":"两位数","score":0.110415},{"name":"执教","score":0.107352},{"name":"数学","score":0.106158},{"name":"解决问题","score":0.098324},{"name":"三位数","score":0.09495}],"music_name":"","origin_status":0,"password_v2":"","font_id":2,"title_style":"","rich_text_title":"","enable_download":1,"cover_thumb":"https://ss-mpvolc.meipian.me/users/7199719/d17730d11e85a939c807d1e3d989a56b__jpg.heic","has_video":false,"gift_switch":1,"enable_watermark":1,"content":{"article_id":368910531,"content":[{"audio_music_id":0,"ext":{"unique_id":"797f7cc64d154ae2d96afc9c2d48034e"},"sectionPublished":true,"source":0,"text":"
【研究主题】
模型意识和计算能力的培养
【研究背景】
计算是小学数学教学的重要内容,提升学生运算能力、培养学生的核心素养是数学教学中的重要任务。模型思想作为《义务教育数学课程标准》的关键词之一,彰显了它在数学教学中的核心位置。计算教学中蕴含着丰富的模型思想,在计算教学中,应立足实际,找准现实模型,引导操作,理解直观模型,前后衔接,建构系统模型。用模型思想指导计算教学,让学生经历数学建模的过程,提升数学素养。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"8ed18695b364b1f2f038f8ce54c3106e"},"img_height":1126,"img_size":76,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/869797697d60ce160c83e296d6df6f2c__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS84Njk3OTc2OTdkNjBjZTE2MGM4M2UyOTZkNmRmNmYyY19fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"2b7d11238b85e45fb0f3e60d01fff5d9"},"sectionPublished":true,"source":0,"text":"课例1 《三位数乘两位数》
执教教师:詹慧英
执教教室:四二班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"6160a59fbff262ced6d4bfa3a5a0c3d3"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"三位数乘两位数","type":6},{"audio_music_id":0,"ext":{"unique_id":"969fbe870d8c4de79dfc55809987ca67"},"img_height":800,"img_size":514,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/d17730d11e85a939c807d1e3d989a56b__jpg.heic","img_width":1200,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kMTc3MzBkMTFlODVhOTM5YzgwN2QxZTNkOTg5YTU2Yl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"a8fa2bbf509d5e5a66aeb18bd3b6c5a9"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"76b660ad8dc34cf005db412fb139299d"},"img_height":2000,"img_size":154,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/98630028a5f8cf7c0f809af11c5e6a65__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS85ODYzMDAyOGE1ZjhjZjdjMGY4MDlhZjExYzVlNmE2NV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"baeee691d86899aa26574e5b4a94bbd0"},"sectionPublished":true,"source":0,"text":"【 教学反思】
《三位数乘两位数》是学生在三年级已经学过多位数乘一位数,两位数乘两位数的基础上学习的,通过新旧知识的联系,独立探究和小组合作使学生掌握了笔算方法,积极构建数学模型,并理解了三位数乘两位数笔算的算法和算理。
计算教学一般比较平淡,课堂中詹老师多次鼓励学生,提出不同的问题调动他们的积极性和探究的欲望。整个教学过程,从学生运用已有知识解决问题,探索笔算方法,学生始终处于学习的主体地位,经历建立模型—验证模型—应用模型的过程。老师只是一个组织者、引导者,学生是主体,是探索者,由于学方式具有开放性和探索性,学生的学习活动积极了、主动了。
从作业情况来看,仍然存在着一些问题,其主要问题是学生的口算能力较弱。其一,部分学生乘法口诀不熟练;其二,一百以内的加法不过关。本学期要继续加强计算题的练习,每天的题量可以少一些,但要坚持每天练。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"399964514b325b0efaa2101450f5d1cf"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"12e6c76aeb9ad2424b64c792b22b7270"},"img_height":2340,"img_size":187,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/6d15fee5abad130b2689886835545f82__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS82ZDE1ZmVlNWFiYWQxMzBiMjY4OTg4NjgzNTU0NWY4Ml9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"fe6e33f6cb2fda59367f73fe0344a177"},"img_height":2340,"img_size":177,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/da5247f0c275703415d864e8541665c5__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kYTUyNDdmMGMyNzU3MDM0MTVkODY0ZTg1NDE2NjVjNV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"fb8fa33002a23e0bed639501eff50b85"},"sectionPublished":true,"source":0,"text":"课例2 《连减的简便计算》
执教教师:王晓燕
执教教室:四一班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"706e30f0d1677486e6e6bcf06d4d5a61"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"连减的简便计算","type":6},{"audio_music_id":0,"ext":{"unique_id":"ae43d7c4aa405cb0c6dfe167b3bc676a"},"img_height":792,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/dd8be95e7a0343b5ac54b5ebd8265ce1__jpg.heic","img_width":966,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kZDhiZTk1ZTdhMDM0M2I1YWM1NGI1ZWJkODI2NWNlMV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"d0b31ad192d6d095458f5a064e7a6b67"},"img_height":2000,"img_size":92,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/9bf7ec0446263e2dd6070e7e177593af__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS85YmY3ZWMwNDQ2MjYzZTJkZDYwNzBlN2UxNzc1OTNhZl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"3a9ae371ade069884beb667c40444507"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"78b804be12a3ca675d11a1feaf803713"},"img_height":2000,"img_size":263,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/0dfe89c1c54164597c595df0754aa8a4__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8wZGZlODljMWM1NDE2NDU5N2M1OTVkZjA3NTRhYThhNF9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"be796d70ab0a81bff4fb98bf458e05fd"},"sectionPublished":true,"source":0,"text":"【 教学反思】
《连减的简便计算》是一节计算课,为了有效地让学生有更多的思考,自己探索不同算法,建立数学模型,并能选择自己喜欢的或适合自身特点的计算方法。
王老师在教学时:1、创设学生喜欢和熟悉的情境,分析现实问题,提取数学信息,建立数学模型。2.通过设计游戏练习:看看哪种方法更简便?提高其数学建模能力,让学生在对比中明白:哪种方法简便不能一概而论,要根据数据的特点,选择合适的方法进行简便计算,符合学生的思维发展。3、在解决过程实际问题中掌握学习方法利用减法的性质帮助理解记忆等。
但本堂课仍存不足之处:1、在简便计算中,让学生从而灵活的掌握计算方法,在今后要提高学生的计算能力。2、合作学习多停留于表面,虽然整节课学生也活跃,但有些同学不能积极主动地参与大家的讨论。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"bd7fe8db6aeb327ad95bdfff78215ffb"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"fcedf185f8ad67ac2bfd205a1278f062"},"img_height":2340,"img_size":198,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/11306a86b2feb3ce88594de6e77b4f67__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8xMTMwNmE4NmIyZmViM2NlODg1OTRkZTZlNzdiNGY2N19fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"9221ebac6cd90a700e59e7122cdc6d50"},"sectionPublished":true,"source":0,"text":"课例3 解决问题策略多样化
执教教师:张珂
执教教室:四四班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"0fa092b324622794db67ee767200b616"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"解决问题策略多样化","type":6},{"audio_music_id":0,"ext":{"unique_id":"4fb3797f48d30a087645bd27e8c17ffa"},"img_height":1126,"img_size":107,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/d682e831f90961c80a49a835e5b34deb__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kNjgyZTgzMWY5MDk2MWM4MGE0OWE4MzVlNWIzNGRlYl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"f847a5c4d1a5bc5aba122d8b05d9dea4"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"f988b547fe79bd45ea0c549feb3a60fe"},"img_height":1500,"img_size":147,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/8751daeee2834360f148f09208e344cd__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS84NzUxZGFlZWUyODM0MzYwZjE0OGYwOTIwOGUzNDRjZF9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"a70d9466a198e5d65e717e6ab25ed079"},"sectionPublished":true,"source":0,"text":"【 教学反思】
本节课,张老师从关注学生的发展和成长出发,遵循学生认知由易到难的过程,让学生知识梳理,回顾复习入手,再过渡到生活中的解决问题,简数学与外界的联系,让学生自己解决问题发现规律,培养学生主动建立模型的意识,让思维活跃的同学有了更大的探索空间。在应用创新这个环节中,给了学生更大的发挥空间,让学生在不知不觉中运用的连除的简便运算的模型规律,更深的认识解决问题策略的多样化和计算方式的多样化,能力也得到了提升,印象也比较深刻。
由于孩子的语言表达能力欠佳,所以张老师在整堂课中注重学生语言表达的完整性和准确性,教学语言对于小学中年级学生来说非常重要,张老师及时对学生的表现进行评价表扬,在这方面做的很好,整节课效果不错。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"10032aeb2e4431e296888dd19a7eb13e"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"de7fe0e575b07239eea9a1a7c03c5aa5"},"img_height":1500,"img_size":186,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/00d11cf8733ac4ed9b0aecaa9081b32a__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8wMGQxMWNmODczM2FjNGVkOWIwYWVjYWE5MDgxYjMyYV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"e4a737328231dc8a638e0ebb20c926b9"},"sectionPublished":true,"source":0,"text":"学海无涯,教坛无边,在以后的教学中,我们以更加昂扬的斗志,以更加饱满的热情,全身心的投入到教学工作中。
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模型意识和计算能力的培养
【研究背景】
计算是小学数学教学的重要内容,提升学生运算能力、培养学生的核心素养是数学教学中的重要任务。模型思想作为《义务教育数学课程标准》的关键词之一,彰显了它在数学教学中的核心位置。计算教学中蕴含着丰富的模型思想,在计算教学中,应立足实际,找准现实模型,引导操作,理解直观模型,前后衔接,建构系统模型。用模型思想指导计算教学,让学生经历数学建模的过程,提升数学素养。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"8ed18695b364b1f2f038f8ce54c3106e"},"img_height":1126,"img_size":76,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/869797697d60ce160c83e296d6df6f2c__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS84Njk3OTc2OTdkNjBjZTE2MGM4M2UyOTZkNmRmNmYyY19fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"2b7d11238b85e45fb0f3e60d01fff5d9"},"sectionPublished":true,"source":0,"text":"课例1 《三位数乘两位数》
执教教师:詹慧英
执教教室:四二班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"6160a59fbff262ced6d4bfa3a5a0c3d3"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"三位数乘两位数","type":6},{"audio_music_id":0,"ext":{"unique_id":"969fbe870d8c4de79dfc55809987ca67"},"img_height":800,"img_size":514,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/d17730d11e85a939c807d1e3d989a56b__jpg.heic","img_width":1200,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kMTc3MzBkMTFlODVhOTM5YzgwN2QxZTNkOTg5YTU2Yl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"a8fa2bbf509d5e5a66aeb18bd3b6c5a9"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"76b660ad8dc34cf005db412fb139299d"},"img_height":2000,"img_size":154,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/98630028a5f8cf7c0f809af11c5e6a65__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS85ODYzMDAyOGE1ZjhjZjdjMGY4MDlhZjExYzVlNmE2NV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"baeee691d86899aa26574e5b4a94bbd0"},"sectionPublished":true,"source":0,"text":"【 教学反思】
《三位数乘两位数》是学生在三年级已经学过多位数乘一位数,两位数乘两位数的基础上学习的,通过新旧知识的联系,独立探究和小组合作使学生掌握了笔算方法,积极构建数学模型,并理解了三位数乘两位数笔算的算法和算理。
计算教学一般比较平淡,课堂中詹老师多次鼓励学生,提出不同的问题调动他们的积极性和探究的欲望。整个教学过程,从学生运用已有知识解决问题,探索笔算方法,学生始终处于学习的主体地位,经历建立模型—验证模型—应用模型的过程。老师只是一个组织者、引导者,学生是主体,是探索者,由于学方式具有开放性和探索性,学生的学习活动积极了、主动了。
从作业情况来看,仍然存在着一些问题,其主要问题是学生的口算能力较弱。其一,部分学生乘法口诀不熟练;其二,一百以内的加法不过关。本学期要继续加强计算题的练习,每天的题量可以少一些,但要坚持每天练。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"399964514b325b0efaa2101450f5d1cf"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"12e6c76aeb9ad2424b64c792b22b7270"},"img_height":2340,"img_size":187,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/6d15fee5abad130b2689886835545f82__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS82ZDE1ZmVlNWFiYWQxMzBiMjY4OTg4NjgzNTU0NWY4Ml9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"fe6e33f6cb2fda59367f73fe0344a177"},"img_height":2340,"img_size":177,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/da5247f0c275703415d864e8541665c5__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kYTUyNDdmMGMyNzU3MDM0MTVkODY0ZTg1NDE2NjVjNV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"fb8fa33002a23e0bed639501eff50b85"},"sectionPublished":true,"source":0,"text":"课例2 《连减的简便计算》
执教教师:王晓燕
执教教室:四一班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"706e30f0d1677486e6e6bcf06d4d5a61"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"连减的简便计算","type":6},{"audio_music_id":0,"ext":{"unique_id":"ae43d7c4aa405cb0c6dfe167b3bc676a"},"img_height":792,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/dd8be95e7a0343b5ac54b5ebd8265ce1__jpg.heic","img_width":966,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kZDhiZTk1ZTdhMDM0M2I1YWM1NGI1ZWJkODI2NWNlMV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"d0b31ad192d6d095458f5a064e7a6b67"},"img_height":2000,"img_size":92,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/9bf7ec0446263e2dd6070e7e177593af__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS85YmY3ZWMwNDQ2MjYzZTJkZDYwNzBlN2UxNzc1OTNhZl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"3a9ae371ade069884beb667c40444507"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"78b804be12a3ca675d11a1feaf803713"},"img_height":2000,"img_size":263,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/0dfe89c1c54164597c595df0754aa8a4__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8wZGZlODljMWM1NDE2NDU5N2M1OTVkZjA3NTRhYThhNF9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"be796d70ab0a81bff4fb98bf458e05fd"},"sectionPublished":true,"source":0,"text":"【 教学反思】
《连减的简便计算》是一节计算课,为了有效地让学生有更多的思考,自己探索不同算法,建立数学模型,并能选择自己喜欢的或适合自身特点的计算方法。
王老师在教学时:1、创设学生喜欢和熟悉的情境,分析现实问题,提取数学信息,建立数学模型。2.通过设计游戏练习:看看哪种方法更简便?提高其数学建模能力,让学生在对比中明白:哪种方法简便不能一概而论,要根据数据的特点,选择合适的方法进行简便计算,符合学生的思维发展。3、在解决过程实际问题中掌握学习方法利用减法的性质帮助理解记忆等。
但本堂课仍存不足之处:1、在简便计算中,让学生从而灵活的掌握计算方法,在今后要提高学生的计算能力。2、合作学习多停留于表面,虽然整节课学生也活跃,但有些同学不能积极主动地参与大家的讨论。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"bd7fe8db6aeb327ad95bdfff78215ffb"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"fcedf185f8ad67ac2bfd205a1278f062"},"img_height":2340,"img_size":198,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/11306a86b2feb3ce88594de6e77b4f67__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8xMTMwNmE4NmIyZmViM2NlODg1OTRkZTZlNzdiNGY2N19fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"9221ebac6cd90a700e59e7122cdc6d50"},"sectionPublished":true,"source":0,"text":"课例3 解决问题策略多样化
执教教师:张珂
执教教室:四四班
","type":1},{"audio_music_id":0,"ext":{"unique_id":"0fa092b324622794db67ee767200b616"},"sectionPublished":true,"source":0,"subtitle_align":"center","subtitle_color":"#010101","subtitle_font_size":"medium","subtitle_style_id":3,"text":"解决问题策略多样化","type":6},{"audio_music_id":0,"ext":{"unique_id":"4fb3797f48d30a087645bd27e8c17ffa"},"img_height":1126,"img_size":107,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/d682e831f90961c80a49a835e5b34deb__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS9kNjgyZTgzMWY5MDk2MWM4MGE0OWE4MzVlNWIzNGRlYl9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"f847a5c4d1a5bc5aba122d8b05d9dea4"},"sectionPublished":true,"source":0,"text":"【教学设计】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"f988b547fe79bd45ea0c549feb3a60fe"},"img_height":1500,"img_size":147,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/8751daeee2834360f148f09208e344cd__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS84NzUxZGFlZWUyODM0MzYwZjE0OGYwOTIwOGUzNDRjZF9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"a70d9466a198e5d65e717e6ab25ed079"},"sectionPublished":true,"source":0,"text":"【 教学反思】
本节课,张老师从关注学生的发展和成长出发,遵循学生认知由易到难的过程,让学生知识梳理,回顾复习入手,再过渡到生活中的解决问题,简数学与外界的联系,让学生自己解决问题发现规律,培养学生主动建立模型的意识,让思维活跃的同学有了更大的探索空间。在应用创新这个环节中,给了学生更大的发挥空间,让学生在不知不觉中运用的连除的简便运算的模型规律,更深的认识解决问题策略的多样化和计算方式的多样化,能力也得到了提升,印象也比较深刻。
由于孩子的语言表达能力欠佳,所以张老师在整堂课中注重学生语言表达的完整性和准确性,教学语言对于小学中年级学生来说非常重要,张老师及时对学生的表现进行评价表扬,在这方面做的很好,整节课效果不错。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"10032aeb2e4431e296888dd19a7eb13e"},"sectionPublished":true,"source":0,"text":"【评课】
","type":1},{"audio_music_id":0,"ext":{"unique_id":"de7fe0e575b07239eea9a1a7c03c5aa5"},"img_height":1500,"img_size":186,"img_url":"https://ss-mpvolc.meipian.me/users/7199719/00d11cf8733ac4ed9b0aecaa9081b32a__jpg.heic","img_width":1500,"is_origin":false,"sectionPublished":true,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvNzE5OTcxOS8wMGQxMWNmODczM2FjNGVkOWIwYWVjYWE5MDgxYjMyYV9fanBnLmhlaWM=/nickname/6YW36L-H5L2g/userid/NzE5OTcxOQ==/sign/e94e928d1a8e59ca733db26a3cb8e9b2"},{"audio_music_id":0,"ext":{"unique_id":"e4a737328231dc8a638e0ebb20c926b9"},"sectionPublished":true,"source":0,"text":"学海无涯,教坛无边,在以后的教学中,我们以更加昂扬的斗志,以更加饱满的热情,全身心的投入到教学工作中。
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