新部编人教版二年级上语文《1 小蝌蚪找妈妈》优质公开课教学课件.pptx

,1 小蝌蚪找妈妈,寻人启事 大家好，我是小蝌蚪。我非常想念我的妈妈，但是我不知道我的妈妈是谁，也不知道妈妈在哪里。聪明的小朋友们，你们可以帮我找到妈妈吗？,新课导入,猜谜语,一位游泳家，说话呱呱呱，小时有尾没有脚，大时有脚没尾巴。（打一动物）,青 蛙,认真读课文，注意生字词的读音，把课文读通顺，在每个自然段前面标上序号，然后说一说：这篇课文讲了一个什么故事？,池塘 脑袋 灰色 游哇游捕食 迎接 阿姨 宽嘴巴乌龟 头顶 披着 鼓着,池塘 脑袋 灰色 游哇游捕食 迎接 阿姨 宽嘴巴乌龟 头顶 披着 鼓着,_教师,_教书,jiào,jio,塘,脑,袋,灰,哇,教,捕,阿,姨,宽,龟,顶,披,你真棒,迎,鼓,我会写,两,宽,睛,皮,哪,顶,肚,孩,眼,跳,重难点字书写指导,结构：,部首：,书写指导：,独体字,长撇斜度要小，竖在竖中线上，“又”的横撇要横短撇长，捺舒展。,pí,皮,皮,结构：,部首：,书写指导：,左右,左窄右宽，“兆”的撇斜度小，沿竖中线右侧往下，撇尖穿插到足字旁的下方。,tiào,跳,再读课文，说说小蝌蚪长什么样子。在文中找出相关词语，用“_”画出来，然后读一读。喜欢画画的小朋友也可以按照课文的描述画一画小蝌蚪。,池塘里有一群小蝌蚪，大大的脑袋，黑灰色的身子，甩着长长的尾巴，快活地游来游去。,no di,大大的脑袋,黑灰色的身子,长长的尾巴,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,di,dài,dài,di,池塘里有一群_，大大的_，_的身子，甩着_的尾巴，快活地游来游去。,我会说：_甩_。,刘老师总喜欢,动她那长长的马尾辫,分角色朗读课文，说说小蝌蚪在寻找妈妈的过程中问了谁，得到了哪些关于妈妈的信息？用笔圈出小蝌蚪得到的信息。,乌龟,鲤鱼,青蛙妈妈,小蝌蚪,鲤鱼阿姨，我们的妈妈在哪里？,你们的妈妈四条腿，宽嘴巴。你们到那边去找吧！,妈妈的信息,四条腿宽嘴巴,乌龟,鲤鱼,青蛙妈妈,小蝌蚪,他们看见一只乌龟摆动着四条腿在水里游，连忙追上去，叫着：“妈妈，妈妈！”,四条腿,宽嘴巴,为什么小蝌蚪把乌龟认成了妈妈呢？,妈妈，妈妈！,我不是你们的妈妈。你们的妈妈头顶上有两只大眼睛，披着绿衣裳。你们到那边去找吧！,妈妈的信息,四条腿宽嘴巴头顶上有两只大眼睛披着绿衣裳,乌龟,鲤鱼,青蛙妈妈,小蝌蚪,他们游到荷花旁边，看见荷叶上蹲着一只大青蛙，披着碧绿的衣裳，露着雪白的肚皮，鼓着一对大眼睛。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,碧绿的衣裳,雪白的肚皮,蹲,披,露,鼓,一对大眼睛,一只大青蛙,他们游到荷花旁边，看见荷叶上蹲着一只 ，披着_衣裳，露着_肚皮，鼓着一对_。,大眼睛,雪白的,碧绿的,大青蛙,我会说,_披_。_鼓_。_露_。,示例：大白鹅披着一身洁白的外衣。 妹妹鼓着腮帮子在吹气球。 小明一笑就露出洁白的牙齿。,他们后腿一（ ），向前一（ ），（ ）到了荷叶上。,蹬,跳,蹦,读一读，想一想，说一说这三个动词能换位置？为什么？,不能，因为青蛙跳的时候先蹬一下才能跳得起来。,快速浏览课文，说一说小蝌蚪在找妈妈的过程中发生了哪些变化？找出来相关的语句读一读。,小蝌蚪游哇游，过了几天，长出了两条后腿。,小蝌蚪游哇游，过了几天，长出了两条前腿。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,小蝌蚪游哇游，过了几天，尾巴变短了。,不知什么时候，小青蛙的尾巴已经不见了。,你现在知道小蝌蚪是怎么变成青蛙的吗？按顺序给下面的图片排排队，再根据图片讲一讲这个故事。,1,2,3,4,5,大大的脑袋、黑灰色的身子、长长的尾巴,长出两条后腿,鲤鱼说：四条腿、宽嘴巴,长出两条前腿,乌龟说：大眼睛、绿衣裳,找妈妈,尾巴变短了,青蛙,找到妈妈,捉害虫,尾巴不见了,找妈妈,小蝌蚪找妈妈,拓展一,拓展二,拓展三,拓展四,学习本课后，你还想知道哪些与青蛙有关的事呢？一起来看看吧。,拓展一,返回,学唱儿歌,返回,拓展二,一只青蛙一天能吃七十多只害虫，一年能消灭一万五千多只害虫。真是保护庄稼的能手，我们一定要保护好它们！,科学小知识,拓展三,约 客宋·赵师秀黄梅时节家家雨，青草池塘处处蛙。有约不来过夜半，闲敲棋子落灯花。,返回,拓展四,除了青蛙外，你还知道哪些对人类有益的动物？为了让我们的朋友生活得更加舒适安全，我们应该做些什么呢？,返回,两,只,头,顶,眼,睛,肚,皮,1.按课文内容填空。,荷叶上（ ）着一只大青蛙，（ ）着碧绿的衣裳，（ ）着雪白的肚皮，（ ）着一对大眼睛。,露,鼓,蹲,披,小蝌蚪的妈妈是 。她长什么样子？用横线在文段中画出来。,青蛙,二、课内阅读。,三、拓展阅读。,小蝌蚪小蝌蚪，像黑豆，成群结队河中游，慌慌忙忙哪里去？我要和你交朋友。小蝌蚪，摇摇头，转眼就把尾巴丢，我要变成小青蛙，游到田里保丰收！,给家人或朋友讲讲这个故事，或者跟同学一起分角色演一演。设计几条保护青蛙的宣传标语，或写一写保护青蛙的倡议书。,