,第,1,课时,第,2,课时,第1课时第2课时,冬天光着头，,春夏长绿发。,像伞不是伞，,整天土里钻。,猜一猜,树,新课导入,冬天光着头，猜一猜树新课导入,2,树之歌,2树之歌,认真读课文，读准生字词；,难读的地方多读几遍，不懂的地方做上记号，试着把课文读通顺；,说说这篇课文一共讲了几种树。,初读课文,11,种,认真读课文，读准生字词；初读课文11种,树之歌,杨树高，榕树壮，梧桐树叶像手掌。,枫树秋天叶儿红，松柏四季披绿装。,木棉喜暖在南方，桦树耐寒守北疆。,银杏水杉活化石，金桂开花满院香。,杨树,榕树,梧桐树,枫树,松柏,木棉,桦树,银杏,金桂,水杉,初读课文,树之歌杨树榕树梧桐树枫树松柏木棉桦树,杨树,榕树,梧桐树,枫树,松柏,木棉,桦树,银杏,金桂,水杉,我会读,杨树榕树梧桐树枫树松柏木棉桦树银杏金桂水杉我会读,梧 桐 枫 松,柏 桦 杉 桂,都是“木”字旁，与树木有关。,初读课文,梧 桐 枫 松都是“木”字旁，与树木有关。初读课文,梧桐 手掌 枫树 松柏,装扮 桦树 耐寒 守约,北疆 银杏 水杉 化石,金桂 杨树 壮大 木棉,我会读,梧桐,手,掌,枫,树,松柏,装,扮,桦,树,耐,寒,守,约,北,疆,银,杏 水,杉,化,石,金,桂,杨,树,壮,大 木,棉,初读课文,w tn,zhn,fn,sn bi,zhun,hu,ni,jin,yn,shn,shu,hu,u,yn,zhun,min,梧桐 手掌 枫树 松柏 装扮 桦树 耐寒 守约,再读儿歌，与同桌对照课本中的图说一说每种树木的特点。,再读课文,再读儿歌，与同桌对照课本中的图说一说每种树木的特点。,杨树高，榕树壮，梧桐树叶像手掌。,枫树秋天叶儿红，松柏四季披绿装。,木棉喜暖在南方，桦树耐寒守北疆。,银杏水杉活化石，金桂开花满院香。,树之歌,11,种树木,品读课文,杨树高，榕树壮，梧桐树叶像手掌。树之歌11种树木品读课文,杨树,高,杨树生长的速度很快，很多能长到二十米以上，相当于七八层楼那么高呢！,杨树高 杨树生长的速度很快，很多能长到二十米以上，相当,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,榕树,壮,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,壮，金文,=,（,爿，床,）,+,（,士，武器,）,，造字本义,：,古代男子睡觉时将武器放在床边，使自己胆大放心。篆文,承续金文字形。俗体楷书根据草书字形将正体楷书,的,简写成丬。,壮，金文= （爿，床）+ （士，武器），造字本义：,梧桐树叶,像手掌,比喻,梧桐树叶像手掌比喻,枫树秋天,叶儿红,枫树秋天叶儿红,山行,唐 杜牧,远上寒山石径斜，白云生处有人家。停车坐爱枫林晚，霜叶红于二月花。,山行,松柏四季,披绿装,拟人,松柏四季披绿装拟人,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,松柏四季,披绿装,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,右边由三笔组成，起笔为横折折折钩。,“士”两横上长下短，不要写成“土”。,书写指导,点击图片 播放视频,右边由三笔组成，起笔为横折折折钩。“士”两横上长下短，不要写,“木”宜窄长，右部“同”低于“木”。,“风”上窄下宽，竖撇在竖中线左侧。,点击图片 播放视频,“木”宜窄长，右部“同”低于“木”。 “风”上,左窄右宽。“公”的撇要短小，捺要舒展。,“木”的竖为垂露竖，“白”稍窄些。,点击图片 播放视频,左窄右宽。“公”的撇要短小，捺要舒展。 “木”,木棉,喜暖,在南方,木棉喜暖在南方,木棉喜暖,：,看到,“,木棉,”,的,“,棉,”,字想到了什么,？,棉花、棉被、棉袄,想到了这么多暖和的东西，木棉这种树，就是一种喜欢暖和的树，它生长在温暖的南方。,木棉喜暖：看到“木棉”的“棉”字想到了什么？,桦树,耐寒,守北疆,拟人,桦树耐寒守北疆拟人,认识北疆,：,祖国的北方寒冷、偏远，北方的边界处称为,“,北疆,”,。,儿歌中，有一种树也像解放军叔叔那样勇敢地守在北疆，它就是桦（,hu,）树。,认识北疆：祖国的北方寒冷、偏远，北方的边界处称为“北,“疆”字左边是“弓里藏着土”,（,）,，古人用弓来丈量土地，右边是一块又一块田,（,）,，这些横画表明界限，国家跟国家之间土地的分割线。,“疆”字左边是“弓里藏着土”（ ），古人用弓来丈,点击图片 播放视频,书写指导,点击图片 播放视频书写指导,银杏,银杏,水杉,水杉,银杏树像小扇子一样的叶子全部变黄了，金灿灿的，十分好看。银杏出现在几亿年前，水杉是几百万年前冰川世纪留下来的珍贵植物，真是活化石。,银杏树像小扇子一样的叶子全部变黄了，金灿灿的，十分好,银杏、水杉为什么被称为活化石？,银杏和水杉等树木，是延续了上千万年的古老生物，同时代的其它生物早已绝灭，只有它们独自保留下来，被称为“活化石”。,品读课文,银杏、水杉为什么被称为活化石？ 银杏和水杉等树木，是延,银杏树又名白果树，古代又称鸭脚树。远在二亿七千多万年前，银杏的祖先就开始出现了，银杏和当时称霸世界的恐龙一样遍布世界各地，后来，绝大部分银杏像恐龙一样灭绝了，只在我国部分地区保存下来一点点。,品读课文,银杏树又名白果树，古代又称鸭脚树。远在二亿七千多万年,水杉，它经历了第四纪冰川劫难，却顽强地活了下来。它生长迅速，,10,年左右就可高达,10,余米，一般,20,年便可成材。,你还知道哪些“活化石”？,熊猫、中华鲟,品读课文,水杉，它经历了第四纪冰川劫难，却顽强地活了下来。它生,金桂开花,满院香,金桂开花满院香,所有的树中，桂花树最香，而金桂是桂花中最香的品种，真是香飘十里满院香。,所有的树中，桂花树最香，而金桂是桂花中最香的品种，真,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,你想不想自己来介绍树木，编一句儿歌？可以说说树枝、树叶的形状，可以说说花开的样子、香味，也可以说说树木的习性。,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,柳树枝像,_,。,小辫儿,柳树枝像_。小辫儿,银杏叶儿像,_,。,小扇,银杏叶儿像_。小扇,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,桃树花开,_,。,红艳艳,状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路,石榴花开像,_,。,喇叭,石榴花开像_。喇叭,棕树,_,在南方。,喜暖,棕树_在南方。喜暖,填一填,杨树,，榕树,，梧桐树叶,。,枫树,，松柏,。,木棉,，桦树,。,银杏水杉,，金桂,。,填一填杨树 ，榕树 ，梧桐树叶 。,杨树,榕树,梧桐树,枫树,松柏,木棉,桦树,银杏,金桂,水杉,杨树榕树梧桐树枫树松柏木棉桦树银杏金桂水杉,1.,再读儿歌，体会儿歌的特点。,2.,师生对读。,4.,拍手读。,5.,做动作读。,6.,自由练读。,3.,同桌对读。,指导朗读,7.,尝试背诵。,1.再读儿歌，体会儿歌的特点。2.师生对读。 4.拍手,小结,：,我们不仅认识了树木的名称，给树木挂了名牌，还用这些树木说了句子，这就是这首儿歌的主要内容。,小结：,左窄右宽，“巾”略宽。,右部三撇起笔在一条线上。,点击图片 播放视频,左窄右宽，“巾”略宽。右部三撇起笔在一条线上。点击图片 播放,“乚”起笔在竖中线上，弯钩不宜长。,左边两“土”横平直，间距均匀。,点击图片 播放视频,“乚”起笔在竖中线上，弯钩不宜长。 左边两“土,比喻要培养一个人才需要很长的时间，十分不容易。,树长得再高，落叶还是要回到树根。比喻离开故土时间再长，最终还是要回归故土。,就是说人要立志，没有志向的人是不会成功的。,十年树木，百年树人,：,树高百尺，叶落归根,：,树无根不长，人无志不立,：,学习谚语,比喻要培养一个人才需,