统编人教版二上语文1《小蝌蚪找妈妈》优秀公开课课堂教学课件.pptx

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1、,新课导入,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？,1 小蝌蚪找妈妈,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？,塘 脑 袋 灰 哇 教 捕 迎 阿 姨 宽 龟 顶 披 鼓,tng no di hu wa jio b,yng y kun gu dng p g,跟着老师一起来读一读本课要求会认的字吧！,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

2、头顶 披着 鼓着,_教师,_教书,jio,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。,p,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。,tio,跳,哪,悬针竖，最长,小而靠上,第一个“人”小，第二个“人”大,“冂”要宽,一、给下列红色字选择正确的读音。,脑袋（di dai） 灰色（hu u） 欢迎（yn yn） 请教（jio jio）

3、 乌龟（i u） 宽阔（kn kun）,课堂演练,那（ ） 哪（ ）,那边,哪里,二、比一比，再组词。,孩（ ） 该（ ）,孩子,应该,皮（ ） 披（ ）,肚皮,披着,三、根据课文内容填一填。,小蝌蚪长着（ ）的脑袋，（ ）的身子，甩着（ ）的尾巴，在池塘里（ ）地游来游去。,大大,黑灰色,长长,快活,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

4、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

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6、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

7、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,

8、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

9、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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

10、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

11、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成

12、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,小蝌蚪变成小青蛙后，天天都忙些什么呢？,他们跟着妈妈，天天去捉害虫。,说明青蛙是人类的好朋友。,可见小青蛙们很勤劳。,思考,读一读下面的资料，说一说你想对小青蛙说些什么？,有人做了统计，一只

13、青蛙平均一天能捕食70多只害虫，一个月约2000只。如果按青蛙每年活动六至八个月计算，可以消灭各种害虫15000只左右。全国各地青蛙千千万万，帮助人类消灭的害虫是多么可观啊！,小青蛙，你为我们做出了贡献，谢谢你。你是我们的好朋友。我们会保护你的。,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,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。,