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动画片《西游记》是小朋友们非常喜爱的一部动画片。本次活动让幼儿通过悟空归来、悟空分桃,打妖怪等环节充分调动幼儿的学习积极性。活动中根据大班幼儿年龄和心理发展特点,始终以幼儿为主体,充分发挥自主探索的特性。让幼儿在动手操作、学学玩玩中掌握4的3种分合方法,使幼儿思维实现从具体到抽象的转化、活动中运用了操作法、演示法、观察比较法,游戏法等多种数学教学方法,幼儿通过想一想、试一试、说一说、玩一玩等充分体验和感受到本次主题活动带来的乐趣。
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2.理解加减法的含义,并列出4的加减算式
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2.齐天大圣要给猪八戒和沙僧两位师弟带回去一些桃子,请小朋友继续呼唤出齐天大圣。提问:第一次出示一个桃子,第二次出示三个桃子,一共摘了几个桃子?那4个桃子怎么分成两份呢?请小朋友帮一帮齐天大圣(幼儿利用黑板上的操作卡来分出一种分法)。
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","type":1},{"audio_music_id":0,"ext":{"unique_id":"6900cea2d9642fa41069d9c5a18a21cf"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347789767__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":201,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0Nzc4OTc2N19fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"af0f6dee2850e6819259de99697b3b01"},"sectionPublished":false,"source":0,"text":"5.看课件最后部分,黑熊怪来抢齐天大圣的桃子。
提问:抢走了、去掉了应该使用加法还是减法?第一次抢走了一颗桃,列出减法算式。第二次抢走了两颗桃,请小朋友列出对应的减法算式,第三次抢走了三颗桃,小朋友列出减法算式。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"54d9a9a29a6ae3403230cd962fafbf18"},"sectionPublished":false,"source":0,"text":"6.游戏:抢圈准备两个圆圈,4个小朋友为一组随音乐围圈转,音乐停小朋友自由站进两个圆圈里,请小朋友根据每个圈里站的人数列出4的分合式和加法算式。
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调整一:在第二环节处,首先出示各种符号,让幼儿在理解的基础上自己去添加符号。
调整二:出示分合式,请幼儿一起观察左右递增递减的规律,让幼儿理解规律。
调整三:操作环节,分合式的操作卡上写上数字“4”,孩子们能更好的理解操作卡的意义。
调整四:展示分合式的操作卡时,及时纠正孩子们出现的各种错误,例如出现数字的书写错误,一定要更改。
调整五:在最后玩游戏抢圈环节,把规则讲清楚,并在玩游戏的基础上引导幼儿理解数字之间的加减算式,巩固4的组成。
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","type":1},{"audio_music_id":0,"ext":{"unique_id":"ed4d6f9ff61c15104717bd3baa432b77"},"sectionPublished":false,"source":0,"subtitle_align":"center","subtitle_color":"#5E1E02","subtitle_font_size":"medium","subtitle_style_id":12,"text":"教学目标","type":6},{"audio_music_id":0,"ext":{"unique_id":"f717808f3d85d4bb7929405c610bd18e"},"sectionPublished":false,"source":0,"text":"1.学习4的组成,知道4有3种分合方法
2.理解加减法的含义,并列出4的加减算式
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","type":1},{"audio_music_id":0,"ext":{"unique_id":"67097f3732e1f2b56e5851bb3d6e95ec"},"sectionPublished":false,"source":0,"subtitle_align":"center","subtitle_color":"#5E1E02","subtitle_font_size":"medium","subtitle_style_id":12,"text":"活动过程","type":6},{"audio_music_id":0,"ext":{"unique_id":"3eb39fd4671b9d26ec5953b96926ee07"},"sectionPublished":false,"source":0,"text":"1.谈话导入。复习3的组成。出示课件,提问:小朋友们认识这是谁吗?齐天大圣最喜欢吃什么?我们一起和齐天大圣去蟠桃园里看一看吧
","type":1},{"audio_music_id":0,"ext":{"unique_id":"d915ffc6b3ebe5e4461dd43719600a84"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347477083__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":201,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0NzQ3NzA4M19fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"1c9d3856af54ab6e69ff5eea401b341e"},"sectionPublished":false,"source":0,"text":"结合课件呼唤出“齐天大圣”。提问:摘了几个桃子?用数字几表示?第二次摘了两个桃子,用数字几表示?说出3的组合式。
2.齐天大圣要给猪八戒和沙僧两位师弟带回去一些桃子,请小朋友继续呼唤出齐天大圣。提问:第一次出示一个桃子,第二次出示三个桃子,一共摘了几个桃子?那4个桃子怎么分成两份呢?请小朋友帮一帮齐天大圣(幼儿利用黑板上的操作卡来分出一种分法)。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"60783b7108a73a6c364192158fe2e9b1"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347665702__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":201,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0NzY2NTcwMl9fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"fd82d6a56d173f7ed10ef56eb5fbf52b"},"sectionPublished":false,"source":0,"text":"3.幼儿自由分组操作卡片,并将结果记录到记录纸上,看谁得出的分法多。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"6bb7b5f95e2c4665a2ac223e62b5981b"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347725215__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":401,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0NzcyNTIxNV9fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"bdac4c8e81a5819e1c04e894a96fd716"},"sectionPublished":false,"source":0,"text":"4.展示总结。请小朋友将自己得出的分合式进行展示,请小朋友帮忙找出错误的地方,通过再操作进行修改。老师总结:4有3中分合方法(请小朋友观察分合式两边数的规律即一边数越来越小一边数越来越大)
","type":1},{"audio_music_id":0,"ext":{"unique_id":"6900cea2d9642fa41069d9c5a18a21cf"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347789767__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":201,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0Nzc4OTc2N19fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"af0f6dee2850e6819259de99697b3b01"},"sectionPublished":false,"source":0,"text":"5.看课件最后部分,黑熊怪来抢齐天大圣的桃子。
提问:抢走了、去掉了应该使用加法还是减法?第一次抢走了一颗桃,列出减法算式。第二次抢走了两颗桃,请小朋友列出对应的减法算式,第三次抢走了三颗桃,小朋友列出减法算式。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"54d9a9a29a6ae3403230cd962fafbf18"},"sectionPublished":false,"source":0,"text":"6.游戏:抢圈准备两个圆圈,4个小朋友为一组随音乐围圈转,音乐停小朋友自由站进两个圆圈里,请小朋友根据每个圈里站的人数列出4的分合式和加法算式。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"6e90579329413fef5726a27d25bfd2a9"},"img_height":1080,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347943873__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":303,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0Nzk0Mzg3M19fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"478d1874cd2eebeef9688ad4200d07c1"},"img_height":1440,"img_url":"https://ss-mpvolc.meipian.me/users/14096990/1667347954653__jpg.heic","img_width":1080,"is_origin":false,"sectionPublished":false,"source":1,"splicing_template_id":201,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTQwOTY5OTAvMTY2NzM0Nzk1NDY1M19fanBnLmhlaWM=/nickname/bm4=/userid/MTQwOTY5OTA=/sign/23317bb54b2c329f0e93720b73007e12"},{"audio_music_id":0,"ext":{"unique_id":"93cff38bb510b19a64add21c3f1f5782"},"sectionPublished":false,"source":0,"text":"一部分和另一部分合起来就是加法,通过抢圈游戏引导幼儿列出加法算式。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"b10f5015911d033c7d153bb1c0fa48d1"},"sectionPublished":false,"source":0,"subtitle_align":"center","subtitle_color":"#5E1E02","subtitle_font_size":"medium","subtitle_style_id":12,"text":"活动反思","type":6},{"audio_music_id":0,"ext":{"unique_id":"889523a0b8812e4b53baea0928d276aa"},"sectionPublished":false,"source":0,"text":"活动反思
调整一:在第二环节处,首先出示各种符号,让幼儿在理解的基础上自己去添加符号。
调整二:出示分合式,请幼儿一起观察左右递增递减的规律,让幼儿理解规律。
调整三:操作环节,分合式的操作卡上写上数字“4”,孩子们能更好的理解操作卡的意义。
调整四:展示分合式的操作卡时,及时纠正孩子们出现的各种错误,例如出现数字的书写错误,一定要更改。
调整五:在最后玩游戏抢圈环节,把规则讲清楚,并在玩游戏的基础上引导幼儿理解数字之间的加减算式,巩固4的组成。
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