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今天有幸走进重庆天地人和街小学,第一次观重庆市级数学赛课。有了前面老师的经验,我今天起了大早,虽然路上拥堵,驱车一个多小时,还是提前很久到达会场,坐到了第四排。
","type":1},{"img_height":900,"img_size":593,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/6c1bbd45bcb7d35bad8a7e17fb0ba757__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"学校教学楼
","type":1},{"img_height":900,"img_size":522,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/39095e4b75493ba5d6d9b590722a59b0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"校园一角
","type":1},{"img_height":900,"img_size":942,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/2098427e7c5b0d5abeb045fffdb85bb1__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"校园一角
","type":1},{"source":0,"text":" 第一位老师是来自綦江的陈小华老师,他以国庆阅兵式引入,从“敬礼线”到“礼毕线”之间的距离是96米,受阅官兵需踢出128个正步,用时66秒走完,而汽车开过,车轮大约需要转多少圈?激发学生探究的同时,培养学生爱国情怀,充分提现了“立德树人”。在测量圆的周长时,让学生演示绕线法、滚动法测量圆的周长,同时让学生体会“化曲为直”的数学思想,此外,还让孩子评价,这样的方法怎么样。学生发现,测量存在一定的误差,也相对麻烦,那我们怎样来计算圆的周长呢,它会与圆的什么有关系呢。在学生猜测与直径有关之后,利用小组合作,看看直径与周长到底存在着怎样的关系。
","type":1},{"img_height":900,"img_size":536,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/ea54326526ac42c937ff559be2a3e071__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/933be1aee3c8421784666bc5584eab3b__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 通过八个小组的计算。孩子能发现无论圆的大小怎样,圆的直径的比值都是三点几,而且非常接近3.14。
","type":1},{"source":0,"text":" 最后,老师还展示了数学家研究圆周率的过程,让学生领略我国数学家的风采,并为他们感到自豪。
","type":1},{"source":0,"text":" 第二位老师是来自人和街小学的张识荣老师,他带来的课是《百分数的认识》。从他的开场白我就觉得我深深的喜欢上他的课。他说他给孩子们带来一个礼物,那是什么礼物呢,他用数学语言来幽默的描述了这个礼物,你们猜,是什么?
","type":1},{"img_height":900,"img_size":536,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/603cc01e65f8da3f586e9eff9911f8a5__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"img_height":900,"img_size":446,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/d933c22d5e9473614965785c1bba2be1__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 他把自己描述成了数学的样子,如此绞尽脑筋热衷于数学的老师,一定不会差。果然,他利用学生收集的百分数,精心挑选三个展开研究。百分数的读写,孩子们基本上都会,他只要孩子上讲台读一遍、写一遍,规范书写也跳过。关键是百分数的意义,在生活中,孩子们见过百分数,会读,会写,但不一定知道百分数的意义,那如何去研究百分数的意义呢。通过学生以往的经验,由学生自己来提供方法:画图、举例、列算式、小数、分数的方法去研究。然后孩子就开始选取自己喜欢的方法去研究百分数了。
","type":1},{"img_height":900,"img_size":429,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/27a3af376a7d9d501db8254363723e92__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"学生讲解自己的研究成果。
","type":1},{"source":0,"text":" 精心挑选三个百分数,第一个常规的,第二个分子存在小数,第三个分子比分母大,是两个独立的量进行比较,而前两个都是部分与整体的关系。
","type":1},{"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/3726bbb4f41639e54180d2b602c9c2dc__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"板书设计
","type":1},{"img_height":900,"img_size":538,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/bb84031130ba4ae0a072f1973b83ffb0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"恩格尔系数:增长学生知识见识。
","type":1},{"img_height":900,"img_size":391,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/848dc7762e108073e921ba28123813b0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 列举自己二十年前家庭的恩格尔系数和现在家庭恩格尔系数,引导学生去发现,生活变好的本质原因:祖国日新月异的变化所带来的人民美好生活。培养学生爱国情怀。
","type":1},{"img_height":900,"img_size":435,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/3726bbb4f41639e54180d2b602c9c2dc__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"板书设计
","type":1},{"img_height":922,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/4b5b475d1beb4e5f9a6b0360ea9a7960__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 拓展思维,图中你看到哪些百分数?你能想出这么多吗?
","type":1},{"img_height":900,"img_size":489,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/499f1ddb3a82748cea21880935ec2888__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 第三节课是由大渡口实验小学的吴浩老师带来的数学广角《数与形》。他以图形引入,通过各个角度让学生充分发现图形所存在的数和算式。
","type":1},{"source":0,"text":" 观课结束,但培养什么样的人在我心里扎根,今后,在数学中,定更注重核心素养的教学设计,落实立德树人根本任务,增长学生知识见识,提高学生综合素质。
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","type":1},{"img_height":900,"img_size":593,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/6c1bbd45bcb7d35bad8a7e17fb0ba757__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"学校教学楼
","type":1},{"img_height":900,"img_size":522,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/39095e4b75493ba5d6d9b590722a59b0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"校园一角
","type":1},{"img_height":900,"img_size":942,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/2098427e7c5b0d5abeb045fffdb85bb1__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"校园一角
","type":1},{"source":0,"text":" 第一位老师是来自綦江的陈小华老师,他以国庆阅兵式引入,从“敬礼线”到“礼毕线”之间的距离是96米,受阅官兵需踢出128个正步,用时66秒走完,而汽车开过,车轮大约需要转多少圈?激发学生探究的同时,培养学生爱国情怀,充分提现了“立德树人”。在测量圆的周长时,让学生演示绕线法、滚动法测量圆的周长,同时让学生体会“化曲为直”的数学思想,此外,还让孩子评价,这样的方法怎么样。学生发现,测量存在一定的误差,也相对麻烦,那我们怎样来计算圆的周长呢,它会与圆的什么有关系呢。在学生猜测与直径有关之后,利用小组合作,看看直径与周长到底存在着怎样的关系。
","type":1},{"img_height":900,"img_size":536,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/ea54326526ac42c937ff559be2a3e071__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/933be1aee3c8421784666bc5584eab3b__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 通过八个小组的计算。孩子能发现无论圆的大小怎样,圆的直径的比值都是三点几,而且非常接近3.14。
","type":1},{"source":0,"text":" 最后,老师还展示了数学家研究圆周率的过程,让学生领略我国数学家的风采,并为他们感到自豪。
","type":1},{"source":0,"text":" 第二位老师是来自人和街小学的张识荣老师,他带来的课是《百分数的认识》。从他的开场白我就觉得我深深的喜欢上他的课。他说他给孩子们带来一个礼物,那是什么礼物呢,他用数学语言来幽默的描述了这个礼物,你们猜,是什么?
","type":1},{"img_height":900,"img_size":536,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/603cc01e65f8da3f586e9eff9911f8a5__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1},{"img_height":900,"img_size":446,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/d933c22d5e9473614965785c1bba2be1__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 他把自己描述成了数学的样子,如此绞尽脑筋热衷于数学的老师,一定不会差。果然,他利用学生收集的百分数,精心挑选三个展开研究。百分数的读写,孩子们基本上都会,他只要孩子上讲台读一遍、写一遍,规范书写也跳过。关键是百分数的意义,在生活中,孩子们见过百分数,会读,会写,但不一定知道百分数的意义,那如何去研究百分数的意义呢。通过学生以往的经验,由学生自己来提供方法:画图、举例、列算式、小数、分数的方法去研究。然后孩子就开始选取自己喜欢的方法去研究百分数了。
","type":1},{"img_height":900,"img_size":429,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/27a3af376a7d9d501db8254363723e92__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"学生讲解自己的研究成果。
","type":1},{"source":0,"text":" 精心挑选三个百分数,第一个常规的,第二个分子存在小数,第三个分子比分母大,是两个独立的量进行比较,而前两个都是部分与整体的关系。
","type":1},{"img_height":900,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/3726bbb4f41639e54180d2b602c9c2dc__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"板书设计
","type":1},{"img_height":900,"img_size":538,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/bb84031130ba4ae0a072f1973b83ffb0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"恩格尔系数:增长学生知识见识。
","type":1},{"img_height":900,"img_size":391,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/848dc7762e108073e921ba28123813b0__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 列举自己二十年前家庭的恩格尔系数和现在家庭恩格尔系数,引导学生去发现,生活变好的本质原因:祖国日新月异的变化所带来的人民美好生活。培养学生爱国情怀。
","type":1},{"img_height":900,"img_size":435,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/3726bbb4f41639e54180d2b602c9c2dc__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":"板书设计
","type":1},{"img_height":922,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/4b5b475d1beb4e5f9a6b0360ea9a7960__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 拓展思维,图中你看到哪些百分数?你能想出这么多吗?
","type":1},{"img_height":900,"img_size":489,"img_url":"https://ss-mpvolc.meipian.me/users/65261325/499f1ddb3a82748cea21880935ec2888__jpg.heic","img_width":1200,"is_origin":false,"source":0,"text":" 第三节课是由大渡口实验小学的吴浩老师带来的数学广角《数与形》。他以图形引入,通过各个角度让学生充分发现图形所存在的数和算式。
","type":1},{"source":0,"text":" 观课结束,但培养什么样的人在我心里扎根,今后,在数学中,定更注重核心素养的教学设计,落实立德树人根本任务,增长学生知识见识,提高学生综合素质。
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