18-捞铁牛市公开课金奖市赛课一等奖课件.pptx

黄河,第1页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,有一年黄河发大水，八只大铁牛被大水冲走，陷在了淤泥里。在科技并不像现在这么发达古代，怎样将这几只粗笨大铁牛捞起来呢？我们一起去看看！,第2页,语文版,三年级上册,18,捞铁牛,第3页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,我会读,河中府 陷入 淤泥 浮桥 粗笨,捞起,怀丙 熟悉 水性 潜水,装满 划船,停稳,并排 坚固,搭车 跨越 绳子 绑住,拖动,府 陷 淤 浮 笨,捞,丙 熟悉 性 潜,装 划,稳,排 结,搭 跨 绳 绑,拖,f,xin,y,f,bn,lo,bn,sh,x,xn,qin,zhun,hu,wn,pi,ji,d,ku,shn,bn,tu,第4页,捞,浮,笨,熟,悉,性,装,划,稳,排,结,绳,拖,我会写,第5页,捞 浮 笨 熟 悉 性 装,划 稳 排 结 绳 拖,上下结构,左右结构,第6页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,知道得很清楚。,在并列船或筏子上铺上木板造成桥。,河流、池塘等水底沉积泥沙。,庞大沉重，不灵巧。,连一连,浮桥,淤泥,粗笨,熟悉,第7页,整体感知,学习课文，思索以下几个问题：,为何要捞铁牛？,谁来捞？,你以为怀丙和尚是个怎样人？,第8页,铁牛是用来干什么呢？,第9页,栓浮桥,第10页,课文解读,故事发生背景,怀丙和尚想出捞铁牛方法,打捞铁牛准备工作,捞铁牛过程,读课文，将课文划分为四部分。,（,1,）,（,2,）,（,3,）,（,4-6,）,第11页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,故事发生背景,1,宋朝时候，有一回黄河发大水，冲断了河中府城外一座,_,。黄河两岸拴浮桥用八只,_,也被大水冲走，陷在了河底,_,里。,浮桥,大铁牛,淤泥,第12页,2,怀丙和尚想出捞铁牛方法,人们正在议论纷纷不知道怎么做时候，怀丙和尚想出了什么方法呢？,第13页,让我来试试。,铁牛是被水冲走，,_,。,我还叫水把它们送回来,第14页,怀丙和尚做了几项准备工作？分别是什么？在课文中找出来并做上记号。,第15页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,怀丙,先,然后,再,又,1,2,3,4,你能概括这四项工作分别是什么吗？,第16页,先,摸清铁牛位置,然后,准备装满沙船,再,把两只船并排拴紧,又,把船和铁牛拴住,第17页,第一步,第二步,第三步,第四步,大船装沙,潜水摸牛,粗绳拴牛,并船搭架,连连看,第18页,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,怀丙,先,请熟悉水性人潜到水底，摸清了八只铁牛陷在哪,儿,。,1,潜水摸牛,第19页,第20页,2,大船装沙,然后,让人准备了两只很大木船，船舱里装满泥沙，划到铁牛淹没地方。,第21页,第22页,3,并船搭架,船停稳了，他,再,叫人把两只船并排栓得紧紧，用坚固木料搭个架子，跨在两只船上。,第23页,第24页,4,粗绳拴牛,又,请熟悉水性人带了很粗绳子潜到水底，用绳子一头牢牢地拴住铁牛，把绳子另一头绑在两只大船之间架子上。,第25页,第26页,准备工作做好后，怀丙和尚又是怎样做呢？仔细阅读,4-6,段，找出相关句子。,第27页,请按照怀丙打捞过程给以下动词排序。,拖,绷,铲,离开,浮,拔,划,第28页,准备工作做好了,和尚先让水手,_,_,，,再,_,，,最终,_,。,铲沙浮船,划船拖牛,拉牛上岸,第29页,铲,沙,浮,船,第30页,划,船,拖,牛,第31页,拉,牛,上,岸,第32页,怀丙和尚捞铁牛是利用了什么规律呢？,船越（），装沙就越（），船重量就越（），船身就下沉越（），离铁牛距离也就越（）；,铲去黄沙，船身渐渐上（），离铁牛距离,大,多,重,深,近,浮,第33页,越来越（），所以绳子越绷越（），所以，铁牛被（）出了淤泥；最终又将铁牛顺水拖回，这些都是利用了水（）。怀丙和尚不愧是（）（）工程家。,远,紧,拔,浮力,宋朝,出众,第34页,板书设计,捞铁牛,大水冲断浮桥，冲走铁牛,准备工作,潜水摸牛,大船装沙,并船搭架,粗绳拴牛,打捞铁牛,利用水浮力,聪明智慧,第35页,课堂小结,怀丙和尚用智慧力量、科学方法从河底淤泥里捞起了一只只粗笨铁牛，不愧是位出众工程学家。看来科学力量是无穷。我们要努力学习科学文化知识，做一个知识渊博人。,第36页,拓展延伸,据史书记载，怀丙和尚聪明善思，曾屡次处理当初谁也处理不了工程难题。在真定，一座,13,层宝塔因年久失修，已经向西,第37页,北倾斜了。人们都说要把塔拆了重建，怀丙和尚则认为不需要。他研究了这座塔情况后，只更换了中间一根朽了柱子，就把宝塔扶正了。,第38页,