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————主讲人:孙鹏
","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/16c3a9795d7542c4a8215488edc3475c__jpeg.heic","img_width":1920,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 为贯彻落实我校提出的“以学定教、精准教学”理念,高二数学组孙鹏老师于2019年11月19日下午第一节课在高二(2)班进行了题为《线性规划——斜率型目标函数模型》的习题示范课。教学主管校长巨校长、教科处副主任张冲老师、数学教研组组长吴兵选老师和副组长史浪涛老师以及数学组(含微机组)全体成员参与了听课、评课活动。
","type":1},{"img_height":1704,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/e35a4af2-3f51-46dd-99d0-837a77efe849__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"本节教学示范课共分六个环节
","type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节一:今日识记
本环节以学生期中考试试卷中的两道线性规划问题为切入点,随机选取一名同学回答,回顾线性目标函数的求解方法及步骤,以学生实际掌握情况设计教学,体现了以学设教的理念。
","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/4a546d26160d4925a2ac8685022e7010__jpeg.heic","img_width":1440,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节二:知识检测
本环节随机叫两名学生在黑板上板演试卷中两道线性规划问题的解答过程,根据学生板演的时间及效果,及时调整教学环节及内容,体现了以学调教的教学理念。","type":1},{"img_height":1096,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/41337fb0-6932-41f8-90ce-f0ed4907ab61__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":1003,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
环节三:课题引申
通过试题中出现的斜率型目标函数,提出如何求解斜率型目标函数的问题,引入课题,通过回顾直线的斜率公式、倾斜角范围及斜率图像,以问题串的形式由浅入深,逐步推进到一般分式型目标函数的求解方法。","type":1},{"img_height":1000,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/220907c0-c732-48ff-ae50-54a81753a140__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
环节四:归纳总结
师生合作归纳总结斜率型目标函数的一般形式、几何意义、求解方法及最终结论。
","type":1},{"img_height":1126,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/06596a30-cb39-47f4-9037-9340dfd03308__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节五:习题巩固
在归纳总结的基础之上,给出相应的练习题,让学生及时练习巩固,以达到以学固教的目的。
","type":1},{"img_height":1470,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/e1a02691-fca4-4e07-b3ec-ef1eda471ef8__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节六:课后思考
通过本节课的学习,拓广出新问题
问题一:开阔型定义域如何求解?
问题二:含参数的线性规划问题如何求解?让学生进行交流探究,达到以学促教的效果。
","type":1},{"img_height":1528,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/f4bbf53f-b1b6-4f29-8f70-f5cc5d8890e0__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 本节探究示范课很好的落实了“以学定教、精准教学”的教育教学理念,真正做到了因材施教,因人施教。
","type":1},{"img_height":696,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/0dff0596ae0b4045b5520434575759ff__jpeg.heic","img_width":696,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 在整个教学过程中,全体数学组(含微机组)教师积极听课、评课,在肯定孙鹏老师示范课的基础之上,提出了今后课堂中环节的优化整合问题,时间安排问题,使得以后的课更加合理、更接地气的有效教学!
","type":1},{"img_height":750,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/86982585-1924-4769-b312-60983a7f25d1__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":303,"type":1},{"img_height":1000,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/4b4a04fd-9a31-4938-a07b-dec2c3bbb202__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":201,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 在实施“以学定教、精准教学”理念的讨论中,我们数学组(含微机组)全体同志决定在今后的教学实践中,以学情为主线,努力做到“真教学、真课堂、真学习”,最终实现“教学与艺术联姻、效度同乐趣俱来”,教育教学永远在路上……
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","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/16c3a9795d7542c4a8215488edc3475c__jpeg.heic","img_width":1920,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 为贯彻落实我校提出的“以学定教、精准教学”理念,高二数学组孙鹏老师于2019年11月19日下午第一节课在高二(2)班进行了题为《线性规划——斜率型目标函数模型》的习题示范课。教学主管校长巨校长、教科处副主任张冲老师、数学教研组组长吴兵选老师和副组长史浪涛老师以及数学组(含微机组)全体成员参与了听课、评课活动。
","type":1},{"img_height":1704,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/e35a4af2-3f51-46dd-99d0-837a77efe849__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"本节教学示范课共分六个环节
","type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节一:今日识记
本环节以学生期中考试试卷中的两道线性规划问题为切入点,随机选取一名同学回答,回顾线性目标函数的求解方法及步骤,以学生实际掌握情况设计教学,体现了以学设教的理念。
","type":1},{"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/4a546d26160d4925a2ac8685022e7010__jpeg.heic","img_width":1440,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节二:知识检测
本环节随机叫两名学生在黑板上板演试卷中两道线性规划问题的解答过程,根据学生板演的时间及效果,及时调整教学环节及内容,体现了以学调教的教学理念。","type":1},{"img_height":1096,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/41337fb0-6932-41f8-90ce-f0ed4907ab61__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":1003,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
环节三:课题引申
通过试题中出现的斜率型目标函数,提出如何求解斜率型目标函数的问题,引入课题,通过回顾直线的斜率公式、倾斜角范围及斜率图像,以问题串的形式由浅入深,逐步推进到一般分式型目标函数的求解方法。","type":1},{"img_height":1000,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/220907c0-c732-48ff-ae50-54a81753a140__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"
环节四:归纳总结
师生合作归纳总结斜率型目标函数的一般形式、几何意义、求解方法及最终结论。
","type":1},{"img_height":1126,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/06596a30-cb39-47f4-9037-9340dfd03308__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节五:习题巩固
在归纳总结的基础之上,给出相应的练习题,让学生及时练习巩固,以达到以学固教的目的。
","type":1},{"img_height":1470,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/e1a02691-fca4-4e07-b3ec-ef1eda471ef8__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":"环节六:课后思考
通过本节课的学习,拓广出新问题
问题一:开阔型定义域如何求解?
问题二:含参数的线性规划问题如何求解?让学生进行交流探究,达到以学促教的效果。
","type":1},{"img_height":1528,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/f4bbf53f-b1b6-4f29-8f70-f5cc5d8890e0__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 本节探究示范课很好的落实了“以学定教、精准教学”的教育教学理念,真正做到了因材施教,因人施教。
","type":1},{"img_height":696,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/0dff0596ae0b4045b5520434575759ff__jpeg.heic","img_width":696,"source":0,"source_platform":"local","splicing_template_id":0,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 在整个教学过程中,全体数学组(含微机组)教师积极听课、评课,在肯定孙鹏老师示范课的基础之上,提出了今后课堂中环节的优化整合问题,时间安排问题,使得以后的课更加合理、更接地气的有效教学!
","type":1},{"img_height":750,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/86982585-1924-4769-b312-60983a7f25d1__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":303,"type":1},{"img_height":1000,"img_url":"https://ss-mpvolc.meipian.me/users/38513143/4b4a04fd-9a31-4938-a07b-dec2c3bbb202__jpg.heic","img_width":750,"source":1,"source_platform":"local","splicing_template_id":201,"type":1},{"source":0,"source_platform":"local","splicing_template_id":0,"text":" 在实施“以学定教、精准教学”理念的讨论中,我们数学组(含微机组)全体同志决定在今后的教学实践中,以学情为主线,努力做到“真教学、真课堂、真学习”,最终实现“教学与艺术联姻、效度同乐趣俱来”,教育教学永远在路上……
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