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":9107,"series_id":18,"theme_id":18},"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 2020-04-19","current_time":1740335999,"font_name":"FZLBJW","rcmd_meipian":0,"hide_article_link":0,"from_wechat":false,"topk_keywords":[{"name":"面积","score":0.535868},{"name":"相等","score":0.313877},{"name":"周长","score":0.306553},{"name":"图形","score":0.275234},{"name":"物体","score":0.185577},{"name":"两个","score":0.124878},{"name":"举例","score":0.116908},{"name":"明白","score":0.112467},{"name":"问中","score":0.103058},{"name":"所以","score":0.091207}],"music_name":"","origin_status":0,"password_v2":"","font_id":3,"title_style":"","rich_text_title":"","enable_download":1,"cover_thumb":"http://static2.ivwen.com/users/9749256/bf52549bfb9699f82c2ddcc02ded4420.jpg-thumb2","has_video":false,"gift_switch":1,"enable_watermark":0,"content":{"article_id":223510734,"content":[{"img_height":1500,"img_size":148,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/e9e90c7afaeb3b37241562fceab8240e__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"
前几天听了王子的《真实的课堂》讲座,所以上课第一件事儿就是让孩子认识这个“真”字。并对孩子提出两个要求:1、说自己能听懂的话;2、当别人的发言你真的听不懂时,要说真话“你讲的我听不明白”。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni9lOWU5MGM3YWZhZWIzYjM3MjQxNTYyZmNlYWI4MjQwZV9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":147,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/88cba93326414588d1f4eda25ad01377__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"举例:孩子们做的关于“面积”的小报中,面积的意义有两种解释。
先出示第一种,问:这样写的同学是真的明白吗?答案是否定的,多数孩子都不理解“二维空间”。所以,这样连自己都不明白的话以后就不要说给别人听了。
再出示第二种,问:是否真的明白?答案是肯定的。所以,以后要说自己能听懂的话。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni84OGNiYTkzMzI2NDE0NTg4ZDFmNGVkYTI1YWQwMTM3N19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":207,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/2b34ebafae9441457f2714ab9c065ca3__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"
面积11问中的第一问“面积是谁发明的”,由刘致远小朋友为大家找到了答案。原来和我们学的长度单位一样,都是在人们的生产活动中逐渐产生的。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni8yYjM0ZWJhZmFlOTQ0MTQ1N2YyNzE0YWI5YzA2NWNhM19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":140,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/0042ee126736f37b6368dc5b2a9ddc1c__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"查字典
面:物体的表面。
这个物体指的是所有物体,表面有的是平面,有的是曲面。所以每个物体都有面积。
积:数学上指几个数相乘所得的数。
所以求面积用乘法。
原来,“面”是告诉我们“面积”的意义,而“积”是告诉我们计算面积的方法。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni8wMDQyZWUxMjY3MzZmMzdiNjM2OGRjNWIyYTlkZGMxY19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":93,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/5752cd1bf775fa897c4e98b894b2b3a6__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"怎样比较面积的大小
通过这个活动,我们学习了三种比较面积的方法:1、观察法。当两个物体的面积相差很大时可用。2、重叠法。3、数格法。当两个图形的面积相差不大时,可用2和3。
当然还有一个万能的方法:计算出面积再比较,之后会学习。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni81NzUyY2QxYmY3NzVmYTg5N2M0ZTk4Yjg5NGIyYjNhNl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":148,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/98ebbf528c8b8c9c9bc96a97b8d1500b__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"在这个活动中,我们还明白了周长和面积的区别。周长指的是封闭图形一周边线的长度,而面积指的是物体表面或封闭图形的大小。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85OGViYmY1MjhjOGI4YzljOWJjOTZhOTdiOGQxNTAwYl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":842,"img_size":79,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/99d38ccf18fb4756299aa397e116a3eb__jpg.heic","img_width":1688,"is_origin":false,"source":0,"text":"面积11问中“周长相等的图形,面积也相等吗?”
举例证明,周长同为8的两个图形,面积却不同。
得出结论:周长相等的两个图形,面积不一定相等。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85OWQzOGNjZjE4ZmI0NzU2Mjk5YWEzOTdlMTE2YTNlYl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":570,"img_size":79,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/970980c50002baf29553858d7e6a5963__jpg.heic","img_width":998,"is_origin":false,"source":0,"text":"面积11问延伸问“面积相等的两个图形,周长也相等吗?”
举例:图①②③面积都相等,周长却不一定相等。
得出结论:面积相等的两个图形,周长不一定相等。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85NzA5ODBjNTAwMDJiYWYyOTU1Mzg1OGQ3ZTZhNTk2M19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"}]},"ext":{"id":136940343,"article_id":223510734,"ip":"42.238.196.35","origin_status":0,"edit_from":0,"client_type":2,"password_v2":"","uv":1,"font_id":3,"title_style":"","rich_text_title":"","gift_switch":1,"deleted_at":0,"recycle_expired_at":0,"share_with_nickname":0,"enable_watermark":0,"music_id":0,"music_source":-1,"_auto_update_time":"2024-02-06 10:09:08"},"extend":{"article_id":223510734,"enable_download":1}},"author":{"id":9749256,"nickname":"加贝","head_img_url":"https://ss-mpvolc.meipian.me/users/9749256/3dfb4ea040d14ee5a0bf7136e2f24917.jpg","column_visit":361,"signature":"舍得之间自有天地,得失之时不问道理。","favorite_count":0,"follow_count":3,"follower_count":99,"famous_type":0,"autoplay_music":1,"text_preference":1,"client_type":0,"reward_word":"如果喜欢我的作品,请打赏鼓励哦!","member_type":0,"wechat_id":"ojq1tt12wNyn9S8BRo8pfjFp0wew","country":"中国","province":"河南","city":"郑州","career":null,"birthday":0,"gender":0,"reg_time":1488533395,"e_id":"","bedge_img":"","label_img":"","review_level":1,"enable_reward_switch":false,"enable_water_mark_switch":1,"plainNickname":"加贝","member_status":1,"member_img":"","ext":null,"phone_num":"185****6763","head_attach_img":null,"badge":null,"onlive":false,"qualification":null,"biz_info":{"is_biz_user":false,"share_domains":[]},"headwear":{"icon":"","animation":"","config":{},"param":{}},"cover_img_url":"","weibo_id":"","vwen_id":"4ddff171fd16d6b10bd517411d826613","im_id":"a453cb0fa9a4b1f0791113275d86839e","yx_im_token":"","last_visit_time":1729250958,"ip_address":"221.226.98.150","device_id":"862552036703509:84:9f:b5:41:71:e9","reviewer":0,"review_time":0,"account_state":0,"balance":5382,"last_contribution_time":1492062341,"member_expire_time":0,"member_qq_group":0,"web_has_login":0,"longtitude":"113.6309600","latitude":"34.8256100","last_client_type":4,"level":0,"province_user":null,"city_user":null,"user_id":9749256,"qq_id":"","apple_id":"","badge_img_url":"","reward_url":"https://www.meipian.cn/wap/reward/view/index.html?mask_id=2uogiq71&author_user_id=9749256&article_title=%E5%85%B3%E4%BA%8E%E9%9D%A2%E7%A7%AF%E7%9A%84%E9%82%A3%E4%BA%9B%E4%BA%8B%E5%84%BF%EF%BC%88%E4%BA%8C%EF%BC%89","memo_name":""},"content":[{"img_height":1500,"img_size":148,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/e9e90c7afaeb3b37241562fceab8240e__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"前几天听了王子的《真实的课堂》讲座,所以上课第一件事儿就是让孩子认识这个“真”字。并对孩子提出两个要求:1、说自己能听懂的话;2、当别人的发言你真的听不懂时,要说真话“你讲的我听不明白”。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni9lOWU5MGM3YWZhZWIzYjM3MjQxNTYyZmNlYWI4MjQwZV9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":147,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/88cba93326414588d1f4eda25ad01377__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"举例:孩子们做的关于“面积”的小报中,面积的意义有两种解释。
先出示第一种,问:这样写的同学是真的明白吗?答案是否定的,多数孩子都不理解“二维空间”。所以,这样连自己都不明白的话以后就不要说给别人听了。
再出示第二种,问:是否真的明白?答案是肯定的。所以,以后要说自己能听懂的话。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni84OGNiYTkzMzI2NDE0NTg4ZDFmNGVkYTI1YWQwMTM3N19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":207,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/2b34ebafae9441457f2714ab9c065ca3__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"
面积11问中的第一问“面积是谁发明的”,由刘致远小朋友为大家找到了答案。原来和我们学的长度单位一样,都是在人们的生产活动中逐渐产生的。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni8yYjM0ZWJhZmFlOTQ0MTQ1N2YyNzE0YWI5YzA2NWNhM19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":140,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/0042ee126736f37b6368dc5b2a9ddc1c__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"查字典
面:物体的表面。
这个物体指的是所有物体,表面有的是平面,有的是曲面。所以每个物体都有面积。
积:数学上指几个数相乘所得的数。
所以求面积用乘法。
原来,“面”是告诉我们“面积”的意义,而“积”是告诉我们计算面积的方法。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni8wMDQyZWUxMjY3MzZmMzdiNjM2OGRjNWIyYTlkZGMxY19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":93,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/5752cd1bf775fa897c4e98b894b2b3a6__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"怎样比较面积的大小
通过这个活动,我们学习了三种比较面积的方法:1、观察法。当两个物体的面积相差很大时可用。2、重叠法。3、数格法。当两个图形的面积相差不大时,可用2和3。
当然还有一个万能的方法:计算出面积再比较,之后会学习。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni81NzUyY2QxYmY3NzVmYTg5N2M0ZTk4Yjg5NGIyYjNhNl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":1500,"img_size":148,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/98ebbf528c8b8c9c9bc96a97b8d1500b__jpg.heic","img_width":2000,"is_origin":false,"source":0,"text":"在这个活动中,我们还明白了周长和面积的区别。周长指的是封闭图形一周边线的长度,而面积指的是物体表面或封闭图形的大小。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85OGViYmY1MjhjOGI4YzljOWJjOTZhOTdiOGQxNTAwYl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":842,"img_size":79,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/99d38ccf18fb4756299aa397e116a3eb__jpg.heic","img_width":1688,"is_origin":false,"source":0,"text":"面积11问中“周长相等的图形,面积也相等吗?”
举例证明,周长同为8的两个图形,面积却不同。
得出结论:周长相等的两个图形,面积不一定相等。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85OWQzOGNjZjE4ZmI0NzU2Mjk5YWEzOTdlMTE2YTNlYl9fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"},{"img_height":570,"img_size":79,"img_url":"https://ss-mpvolc.meipian.me/users/9749256/970980c50002baf29553858d7e6a5963__jpg.heic","img_width":998,"is_origin":false,"source":0,"text":"面积11问延伸问“面积相等的两个图形,周长也相等吗?”
举例:图①②③面积都相等,周长却不一定相等。
得出结论:面积相等的两个图形,周长不一定相等。
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvOTc0OTI1Ni85NzA5ODBjNTAwMDJiYWYyOTU1Mzg1OGQ3ZTZhNTk2M19fanBnLmhlaWM=/nickname/5Yqg6LSd/userid/OTc0OTI1Ng==/sign/ba2d567ef3f68e16ee8eadf072e76500"}],"mark":0,"gift":{"icon":"https://ss2.meipian.me/app/article_gift_flower_icon_v2.png","amount":0,"mix_icon":"","mix_persent":0,"display":1},"topic":{"has_vote":0,"vote_rank":0,"vote_count":0},"visitor":{"is_share":false,"visitor_id":0,"visitor_user_id":null,"from":null,"channel":null,"theme":null,"in_app":false,"from_web":false,"self_view":false,"timestamp":null,"sign":null,"is_from_app_launch":null,"show_praise":null,"praised":null,"wechat_sign":null,"token":null,"password_v2":null,"visitor_open_id":null,"share_depth":"","visitor_union_id":null,"ua_source":"web","mpuuid":"","isFan":0,"relation_type":0,"member_status":0,"member_img":"","head_attach_img":"","headwear":null,"request":{"attributes":{},"request":{},"query":{},"server":{},"files":{},"cookies":{},"headers":{}},"is_new_guest":0,"first_share_uid":0,"risk_cheat_info":"","is_cheat_risk":false,"page_visit_id":"PC_159867719467bb6b7f2bd856.32319510","is_good":null,"auth_url":null,"from_auth_callback":0},"watermark":"?watermark/3/image/aHR0cDovL3N0YXRpYzItc3JjLml2d2VuLmNvbS9sb2dvd2F0ZXIucG5n/dy/50/text/QCDliqDotJ0=/fontsize/320/dx/10/dy/30/fill/I0ZGRkZGRg==/text/576O56-H5Y-377yaOTc0OTI1Ng==/fontsize/320/dx/10/dy/10/fill/I0ZGRkZGRg=="}; var detail = ARTICLE_DETAIL; window.model = { detail: ARTICLE_DETAIL }