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让教材为习作服务
——《花钟》第一课时教学设计
河南省新蔡县河坞乡戚楼小学 吴帅 17339651397
教学目标:
1.通过词串教学,会写“斗、芬、芳、内”等十三个生字,注意“醒”的写法要领;
2.继续学习“借助关键语句概括一段话的大意”的方法概括第一、二自然段的大意;
3.学习相同意思的不同表达以及不同句式的表现手法,并学以致用。
环节一:生活场景导入,未成曲调先有情
师:同学们都见过哪些钟表呢?和大家说一下吧,注意要用上形容词哦,比如()的()。
学生自由讲述。
3.花钟你见过吗?你觉得花钟会是什么样的钟呢?
预设:(1)花钟就是用花做成的钟表;
(2)把钟表做成花的形状。
4.今天我们就来学习第十三课《花钟》,(板书课题)赶紧带着你的问题到课文中寻找答案吧。
【设计意图:从学生的现实生活入手导入新课,质疑课题,激活了学生的思维,激发了学生的学习兴趣,使学生积极参与学习。通过聊天的形式了解学情,为正常的教学开展做好铺垫。】
环节二:词串教学,检测课文大致内容
1.检测预习情况:指名分自然段朗读课文。
要求:其他同学认真听,看一看他读得是否流利正确,把和自己读的不一样的字词圈出来,同桌交流解决,同桌解决不了的可以查字典、词典,也可以问老师。
2.指名读,师生纠正读音。
3.课件出示词组一:
鲜花朵朵 争奇斗艳 芬芳迷人
(1)读一读,看一看,你发现了什么?
(这些都是形容花的。)
(2)这些词语有区别吗?
鲜花朵朵是说花开得很多,争奇斗艳是说花开得艳丽,芬芳迷人主要是指花的香气很迷人。
(3)把这些词语放进课文中,你们还能读好吗?
(4)学生读课文相关内容。
4.课件出示词组二:
牵牛花 蔷薇 睡莲 午时花 万寿菊 紫茉莉 月光花 夜来香 昙花
(1)读一读,看一看,你发现了什么?
这些词语都是花的名称。
(2)放回课文读一读。
5.课件出示词组三:
吹起喇叭 绽开笑脸 梦中醒来 欣然怒放 苏醒 舒展花瓣 含笑一现
(1)读一读,看一看,你又发现了什么呢?
这些词语都是写花开的。
注意“醒”的写法:左右等宽,不要写成左窄右宽了,另外还要注意右边的“星”字要写紧凑点。
【设计意图:词串教学是如今识字教学的常用手法,它能够把一组相关联的词语以组的形式出现,既能解决有效识字,又能以词组带句子,以句子带课文。从而达到理解词语,了解课文大致内容的意图。】
环节三:以语文要素为依据,训练学生概括大意
1.现在请大家把课文认认真真读一遍,看一看每一个自然段的主要意思。
2.在三年级上册第六单元我们曾经学过“借助关键语句理解一段话的意思”,这一单元我们仍然继续学习“借助关键语句概括一段话的大意”,先看一看我们这一单元的语文要素,是不是给我们提出了这样的要求?
3.学生自由阅读单元导读页。
4.之前我们学过的关键语句要么是在自然段的开头一句,要么是自然段的结束句。像这样能够概括每个自然段的主要内容的句子我们就叫它中心句,在自然段的开头的句子我们叫它(总起句),在自然段的末尾的句子我们叫它(总结句)。
5.看一看,在这一篇课文中有没有这样的句子呢?
是的,1、2自然段有,第三自然段没有,现在请大家迅速找出第一、二自然段的关键句,来概括一下这两个自然段的主要内容吧。
预设:(1)第一自然段是写鲜花朵朵,争奇斗艳,芬芳迷人;
第二自然段是写不同的植物为什么开花的时间不同?
(2)第一自然段是写一天之内,不同的花开放的时间是不同的;第二自然段是写植物开花的时间与温度、湿度、光照有着密切的关系。
6.大家的意见有了分歧,请大家再仔细地读一读课文,看一看,究竟哪种概括方法是对的呢?
第二自然两种概括方法其实都可以,关键是第一自然段,究竟哪一种是正确的呢?现在把第一自然段好好读一读,看一看,它究竟是写什么的?
是啊,通过多次朗读,我们可以肯定了,这个自然段就是写不同的花开放的时间不同。由此可见,关键的句子不一定就在第一句,我们判断一个句子是不是这个自然段的关键句的主要依据就是看它能不能完整地把本自然段的内容概括出来。
【设计意图:学习课文,抓住重点词句,结合课文插图课件,理解课文内容,培养了学生理解分析能力,审美能力。】
环节四:读写结合,让教材为习作服务
1.了解了每个自然段的主要内容了,我们明白什么是花钟了吗?
是啊,不同的花在不同的时间段开放就像钟表一样,可以告诉我们时间。
2.文中都写了哪几种花分别是什么时间开放的呢?
牵牛花是在凌晨四点开放;蔷薇是在五点左右开放;睡莲是在七点开放;午时花是在中午十二点开放;万寿菊是在下午三点开放;紫茉莉是在下午五点开放;月光花是在晚上七点左右开放;夜来香是在晚上八点开放;昙花是在晚上九点左右开放。
3.由此可见,的确像是大自然界的钟表为我们报时啊!
4.不知你发现了没有?同样是写花开但作者写每种花的写法一样吗?
出示句子:
凌晨四点,牵牛花吹起了紫色的小喇叭;五点左右,艳丽的蔷薇绽开了笑脸;七点,睡莲从睡梦中醒来;中午十二点左右,午时花开花了;下午三点,万寿菊欣然怒放;下午五点,紫茉莉苏醒过来;月光花在七点左右舒展开自己的花瓣;夜来香在晚上八点开花;昙花却在九点含笑一现……
(不一样,从牵牛花到紫茉莉都是先写时间,再写什么花开了,月光花到昙花是先写花名,再写开放的时间。)
5.如果都写成几点钟什么什么花开了,会是什么效果呢?
(这样一来语言的表达方式就灵活多样了,避免了用词和表达形式的单一。)
6.除了这一处不一样还有什么不一样的地方吗?同桌或小组讨论交流一下,看一看你还能发现什么不一样的地方。
7.是啊,同样是表示花开但用词是不一样的,赶紧把作者写的表示花开的词语画下来,比较一下吧!
出示词组:
吹起小喇叭 绽开笑脸 从梦中醒来 开花了 欣然怒放 苏醒过来 舒展开花瓣 开花 含笑一现
(1)在这组词语中,你发现了什么?
(2)在刚开始学习词语的时候,我们就知道了这组词语都是写花开的,但是看一看我们平时写花开常用的是哪几个?
(3)是的,我们写花开最常用的就是“欣然怒放、开花了、 开花”剩下的却很少用,现在就来看一看如果用上剩下的这些词语会有什么表达效果呢?
是啊,这些都是写人的词语,用上这些词语就是把这些花当成了人来写,让句子表达得更加生动形象了,也让我们一眼就能够看出作者对这些花的喜爱之情。我们的汉语是非常丰富的,同样的意思却可以用不同的词语来表示,这样既避免的词语的重复,又可以让表达更加形象。今后我们在写作文中可以尝试着借鉴哦!
(4)不同的花开放的时间不同,这种现象就像是大自然界一面天然钟表,可以告诉人们时间,这种自然现象你注意过吗?你想用哪一个词来形容这种现象呢?(神奇 奇妙 有趣)让我们带着这样的体会再来把第一自然段好好读一读吧!
8.其实这一自然段的写法是有规律的,也就是写花开的诗词和先后顺序的变化,掌握住了这种规律我们就能很容易把这一自然段的内容背诵下来。现在让我们试着填一下空吧:
( ),( ),( )。要是我们( ),就会发现,一天之内,不同的花开放的时间是( )。凌晨四点,( );五点左右,艳丽的蔷薇( );七点,睡莲( );中午十二点左右,( );下午三点,( );下午五点,( );( )在七点左右( );( )在晚上八点( );( )却在晚上九点( )……
9.如果把这些提示语都去掉的话,你还能背下来吗?比一比看谁能在没有任何提示的情况下把这一自然段背下来。
10.学生默背。
11.除了文中的这几种花,你还知道哪些花是什么时间开放的呢?
12.学生汇报课前收集的资料。
13.课件出示补充资料:
蛇床花黎明三点左右开花;
龙葵花清晨六点左右开花;
芍药花清晨七点左右开花;
半枝莲上午十点左右开花;
烟草花晚上七点左右开花……
14.让我们来仿照课文第一自然段的写法来写一些吧。要注意词语和形式的多样化哦。
15.学生练习仿写。
16.师生点评学生的仿写练习。
【设计意图:叶圣陶曾经说过:“教材无非是个例子”‘“教是为了不教”,如何利用好教材这个例子,就成了语文教学的关键所在。我们学教材就是为了向作者学习、借鉴习作的方法,达到学为所用,知行合一。】
环节五:小结课堂,留下悬念
通过这一自然段的学习我们不仅知道了几种花开放的时间,还向作者学习了语言形式的描写,相同意思的词语和句式不相同这种写作手法,希望在今后的写作中我们也要借鉴运用。那么究竟是什么原因导致不同的花开放的时间不同呢?我们下一节课继续学习吧!
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——《花钟》第一课时教学设计
河南省新蔡县河坞乡戚楼小学 吴帅 17339651397
教学目标:
1.通过词串教学,会写“斗、芬、芳、内”等十三个生字,注意“醒”的写法要领;
2.继续学习“借助关键语句概括一段话的大意”的方法概括第一、二自然段的大意;
3.学习相同意思的不同表达以及不同句式的表现手法,并学以致用。
环节一:生活场景导入,未成曲调先有情
师:同学们都见过哪些钟表呢?和大家说一下吧,注意要用上形容词哦,比如()的()。
学生自由讲述。
3.花钟你见过吗?你觉得花钟会是什么样的钟呢?
预设:(1)花钟就是用花做成的钟表;
(2)把钟表做成花的形状。
4.今天我们就来学习第十三课《花钟》,(板书课题)赶紧带着你的问题到课文中寻找答案吧。
【设计意图:从学生的现实生活入手导入新课,质疑课题,激活了学生的思维,激发了学生的学习兴趣,使学生积极参与学习。通过聊天的形式了解学情,为正常的教学开展做好铺垫。】
环节二:词串教学,检测课文大致内容
1.检测预习情况:指名分自然段朗读课文。
要求:其他同学认真听,看一看他读得是否流利正确,把和自己读的不一样的字词圈出来,同桌交流解决,同桌解决不了的可以查字典、词典,也可以问老师。
2.指名读,师生纠正读音。
3.课件出示词组一:
鲜花朵朵 争奇斗艳 芬芳迷人
(1)读一读,看一看,你发现了什么?
(这些都是形容花的。)
(2)这些词语有区别吗?
鲜花朵朵是说花开得很多,争奇斗艳是说花开得艳丽,芬芳迷人主要是指花的香气很迷人。
(3)把这些词语放进课文中,你们还能读好吗?
(4)学生读课文相关内容。
4.课件出示词组二:
牵牛花 蔷薇 睡莲 午时花 万寿菊 紫茉莉 月光花 夜来香 昙花
(1)读一读,看一看,你发现了什么?
这些词语都是花的名称。
(2)放回课文读一读。
5.课件出示词组三:
吹起喇叭 绽开笑脸 梦中醒来 欣然怒放 苏醒 舒展花瓣 含笑一现
(1)读一读,看一看,你又发现了什么呢?
这些词语都是写花开的。
注意“醒”的写法:左右等宽,不要写成左窄右宽了,另外还要注意右边的“星”字要写紧凑点。
【设计意图:词串教学是如今识字教学的常用手法,它能够把一组相关联的词语以组的形式出现,既能解决有效识字,又能以词组带句子,以句子带课文。从而达到理解词语,了解课文大致内容的意图。】
环节三:以语文要素为依据,训练学生概括大意
1.现在请大家把课文认认真真读一遍,看一看每一个自然段的主要意思。
2.在三年级上册第六单元我们曾经学过“借助关键语句理解一段话的意思”,这一单元我们仍然继续学习“借助关键语句概括一段话的大意”,先看一看我们这一单元的语文要素,是不是给我们提出了这样的要求?
3.学生自由阅读单元导读页。
4.之前我们学过的关键语句要么是在自然段的开头一句,要么是自然段的结束句。像这样能够概括每个自然段的主要内容的句子我们就叫它中心句,在自然段的开头的句子我们叫它(总起句),在自然段的末尾的句子我们叫它(总结句)。
5.看一看,在这一篇课文中有没有这样的句子呢?
是的,1、2自然段有,第三自然段没有,现在请大家迅速找出第一、二自然段的关键句,来概括一下这两个自然段的主要内容吧。
预设:(1)第一自然段是写鲜花朵朵,争奇斗艳,芬芳迷人;
第二自然段是写不同的植物为什么开花的时间不同?
(2)第一自然段是写一天之内,不同的花开放的时间是不同的;第二自然段是写植物开花的时间与温度、湿度、光照有着密切的关系。
6.大家的意见有了分歧,请大家再仔细地读一读课文,看一看,究竟哪种概括方法是对的呢?
第二自然两种概括方法其实都可以,关键是第一自然段,究竟哪一种是正确的呢?现在把第一自然段好好读一读,看一看,它究竟是写什么的?
是啊,通过多次朗读,我们可以肯定了,这个自然段就是写不同的花开放的时间不同。由此可见,关键的句子不一定就在第一句,我们判断一个句子是不是这个自然段的关键句的主要依据就是看它能不能完整地把本自然段的内容概括出来。
【设计意图:学习课文,抓住重点词句,结合课文插图课件,理解课文内容,培养了学生理解分析能力,审美能力。】
环节四:读写结合,让教材为习作服务
1.了解了每个自然段的主要内容了,我们明白什么是花钟了吗?
是啊,不同的花在不同的时间段开放就像钟表一样,可以告诉我们时间。
2.文中都写了哪几种花分别是什么时间开放的呢?
牵牛花是在凌晨四点开放;蔷薇是在五点左右开放;睡莲是在七点开放;午时花是在中午十二点开放;万寿菊是在下午三点开放;紫茉莉是在下午五点开放;月光花是在晚上七点左右开放;夜来香是在晚上八点开放;昙花是在晚上九点左右开放。
3.由此可见,的确像是大自然界的钟表为我们报时啊!
4.不知你发现了没有?同样是写花开但作者写每种花的写法一样吗?
出示句子:
凌晨四点,牵牛花吹起了紫色的小喇叭;五点左右,艳丽的蔷薇绽开了笑脸;七点,睡莲从睡梦中醒来;中午十二点左右,午时花开花了;下午三点,万寿菊欣然怒放;下午五点,紫茉莉苏醒过来;月光花在七点左右舒展开自己的花瓣;夜来香在晚上八点开花;昙花却在九点含笑一现……
(不一样,从牵牛花到紫茉莉都是先写时间,再写什么花开了,月光花到昙花是先写花名,再写开放的时间。)
5.如果都写成几点钟什么什么花开了,会是什么效果呢?
(这样一来语言的表达方式就灵活多样了,避免了用词和表达形式的单一。)
6.除了这一处不一样还有什么不一样的地方吗?同桌或小组讨论交流一下,看一看你还能发现什么不一样的地方。
7.是啊,同样是表示花开但用词是不一样的,赶紧把作者写的表示花开的词语画下来,比较一下吧!
出示词组:
吹起小喇叭 绽开笑脸 从梦中醒来 开花了 欣然怒放 苏醒过来 舒展开花瓣 开花 含笑一现
(1)在这组词语中,你发现了什么?
(2)在刚开始学习词语的时候,我们就知道了这组词语都是写花开的,但是看一看我们平时写花开常用的是哪几个?
(3)是的,我们写花开最常用的就是“欣然怒放、开花了、 开花”剩下的却很少用,现在就来看一看如果用上剩下的这些词语会有什么表达效果呢?
是啊,这些都是写人的词语,用上这些词语就是把这些花当成了人来写,让句子表达得更加生动形象了,也让我们一眼就能够看出作者对这些花的喜爱之情。我们的汉语是非常丰富的,同样的意思却可以用不同的词语来表示,这样既避免的词语的重复,又可以让表达更加形象。今后我们在写作文中可以尝试着借鉴哦!
(4)不同的花开放的时间不同,这种现象就像是大自然界一面天然钟表,可以告诉人们时间,这种自然现象你注意过吗?你想用哪一个词来形容这种现象呢?(神奇 奇妙 有趣)让我们带着这样的体会再来把第一自然段好好读一读吧!
8.其实这一自然段的写法是有规律的,也就是写花开的诗词和先后顺序的变化,掌握住了这种规律我们就能很容易把这一自然段的内容背诵下来。现在让我们试着填一下空吧:
( ),( ),( )。要是我们( ),就会发现,一天之内,不同的花开放的时间是( )。凌晨四点,( );五点左右,艳丽的蔷薇( );七点,睡莲( );中午十二点左右,( );下午三点,( );下午五点,( );( )在七点左右( );( )在晚上八点( );( )却在晚上九点( )……
9.如果把这些提示语都去掉的话,你还能背下来吗?比一比看谁能在没有任何提示的情况下把这一自然段背下来。
10.学生默背。
11.除了文中的这几种花,你还知道哪些花是什么时间开放的呢?
12.学生汇报课前收集的资料。
13.课件出示补充资料:
蛇床花黎明三点左右开花;
龙葵花清晨六点左右开花;
芍药花清晨七点左右开花;
半枝莲上午十点左右开花;
烟草花晚上七点左右开花……
14.让我们来仿照课文第一自然段的写法来写一些吧。要注意词语和形式的多样化哦。
15.学生练习仿写。
16.师生点评学生的仿写练习。
【设计意图:叶圣陶曾经说过:“教材无非是个例子”‘“教是为了不教”,如何利用好教材这个例子,就成了语文教学的关键所在。我们学教材就是为了向作者学习、借鉴习作的方法,达到学为所用,知行合一。】
环节五:小结课堂,留下悬念
通过这一自然段的学习我们不仅知道了几种花开放的时间,还向作者学习了语言形式的描写,相同意思的词语和句式不相同这种写作手法,希望在今后的写作中我们也要借鉴运用。那么究竟是什么原因导致不同的花开放的时间不同呢?我们下一节课继续学习吧!
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