一年级下册语文21《称象》精美课件PPT.ppt 24页

'21称象Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象官腿柱议杆秤倒艘沉止微chēngxiàngguāntuízhùyìgǎnchèngdǎosōuchénzhǐwēiEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 象xiàng杆gǎn秤chèng倒dào艘sōu微wēi止zhǐ沉chén柱zhù议yì官guān挂气球称chēng腿tuǐEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象官腿柱议杆秤倒艘沉止微Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 官称艘微腿止柱沉象议秤我们来开火车啦!Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象官员大腿柱子停止议论宰杀倒水下沉微笑一杆秤一艘船Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 古时候有个大官，叫曹操。别人送他一头大象，他很高兴，带着儿子和官员们一同去看。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 大象又高又大，身子像堵墙，腿像四根柱子。官员们一边看一边议论，象这么大，到底有多重呢？又高又大Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 看,大象的身体像什么？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 看,大象的腿像什么？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 官员们一边看一边议论。我们一边唱歌一边跳舞。一边一边。读读说说Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 有的人说：“得造一杆大秤，砍一棵大树做秤杆。”有的人说：“有了大秤也不成啊，谁有那么大的力气提得起这杆大秤呢？”还有的人说：“办法倒有一个，就是把大象宰了，割成一块一块的再称。”Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 比一比：曹操听了摇头。曹操听了直摇头。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 把大象赶到一艘大船上，看船身下沉多少，就沿着水面，在船舷上画一条线。再把大象赶上岸，往船上装石头，等船下沉到画线的地方。然后，称一称船上的石头。石头有多重，大象就有多重。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象第一步:赶象上船,在船弦下沉处画线Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象第二步:赶象上岸,装石头，装到画线处为止Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象第三步:称船上石头的重量Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 称象第四步:计算石头总重量，就知道大象的重量Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 把大象（）一艘大船上，看船身下沉多少，就（）水面，在船舷上（）。再把大象（），往船上(），等船下沉到画线的地方。然后，（）船上的石头。石头有多重，大象就有重。赶到沿着画线赶上岸装石头称一称Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 我们要向曹冲学习什么呢?善于观察，勤于动脑Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 女再象Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 女像做Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd. 女点照Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.'