人教部编版语文《`4-四季》课件-精美课件-.ppt

1、春天春天夏天夏天秋天秋天冬天冬天四四 季季尖尖 说说 春春 青青 蛙蛙 夏夏弯弯 就就 冬冬jinjin shushu chnchn qngqng ww xixiwnwn jiji dngdng 认一认写一写独体字 共4画笔顺：横、横、撇、捺两横平行，略向右上倾斜，第一笔横短，第二笔横要略长，在横中线上起笔。撇在竖中线上起笔，穿过田子格的中心。撇、捺舒展，比长横略宽，撇高捺低。独体字 共5画笔顺：竖、横折，撇、竖弯、横要注意先里边再封口的笔顺规则。第一笔竖起笔靠左，稍往右斜。第二笔横折，横要长，折稍稍左斜。第三笔撇短。第四笔竖弯，转弯要圆，不要写成竖折或竖弯钩。合体字，上下结构共9画笔顺：竖、

2、横折、横、横、横、竖、横、撇、捺“日”在横中线上方，要写成倒梯形，略细长。横写在横中线上。撇起笔在左下格，与横折的起笔处对齐，较短。最后一笔捺从撇的上半部分起笔，舒展修长。草芽尖尖，草芽尖尖，他对小鸟说：他对小鸟说：“我是春天。我是春天。”荷叶圆圆，荷叶圆圆，他对青蛙说：他对青蛙说：“我是夏天。我是夏天。”谷穗弯弯，谷穗弯弯，他鞠着躬说：他鞠着躬说：“我是秋我是秋天。天。”雪人大肚子一挺，雪人大肚子一挺，他顽皮地说：他顽皮地说：“我就是冬天。我就是冬天。”什么什么 怎么样怎么样()()，他对（他对（）说：说：“我是我是（）。”秋叶秋叶飘飘飘飘秋天秋天风儿风儿桃花_，他对_说：“我就是春天。”（

3、）_，他对他对_说：说：“我就是夏天。我就是夏天。”（）_，他对他对_说：说：“我就是我就是_天。天。”（）_，他对他对_说：说：“我就是我就是_ 天。天。”布置作业布置作业1、把你自己创编的诗歌说给、把你自己创编的诗歌说给爸爸妈妈听；爸爸妈妈听；2、把你喜欢的季节画下来。、把你喜欢的季节画下来。曹 冲 称 象一一杆秤杆秤gn chng gn 笔杆笔杆 枪杆枪杆 gn 旗杆旗杆 栏杆栏杆杆杆称称称称：测定重量：测定重量秤秤：测定物体重量的器具：测定物体重量的器具 称象称象谁称象谁称象?为什么要称象为什么要称象?这头大象长得怎么样？这头大象长得怎么样？用什么办法称象？用什么办法称象？结果怎么样？

4、结果怎么样？PPT模板： PPT课件： 1、读一读、读一读 读读课文第四自然段读读课文第四自然段2 2、划一划、划一划 用波浪线划出曹冲称象的办法用波浪线划出曹冲称象的办法3 3、说一说、说一说 用用“先先然后然后再再最后最后”等词等词 说说曹冲想出的办法说说曹冲想出的办法4 4、想一想、想一想 和官员们的办法比，谁的办法更和官员们的办法比，谁的办法更 好？为什么？好？为什么？曹操的儿子曹冲才七岁，他站出来，说：曹操的儿子曹冲才七岁，他站出来，说：“我有个办法。我有个办法。把大象赶到把大象赶到一艘大船上，看船身下沉多少，就沿着水面，在船一艘大船上，看船身下沉多少，就沿着水面，在船舷舷上画一条线

5、。再把大象上画一条线。再把大象赶上岸，往船上装石头。装到船下沉到画线的地方为止，然后称一称船上的赶上岸，往船上装石头。装到船下沉到画线的地方为止，然后称一称船上的石头。石头。石头有多重，大象就有多重。石头有多重，大象就有多重。”曹冲想出了什么样的称象办法？曹冲想出了什么样的称象办法？赶象上船赶象上船船沉画线船沉画线装石到线装石到线称石累加称石累加 他叫人照曹冲说的方法去做，果然他叫人照曹冲说的方法去做，果然称出了大象的重量。称出了大象的重量。曹冲是怎样想出称象的办法的？1 1、曹冲听了官员们议论造大秤的办法，想到了什么？曹冲听了官员们议论造大秤的办法，想到了什么？曹冲想：造大秤可不容易，不如用

6、船来代替大秤，曹冲想：造大秤可不容易，不如用船来代替大秤，因为船能装很重很重的东西；即使造了大秤，也没有人因为船能装很重很重的东西；即使造了大秤，也没有人能提得起来，那就用水的浮力代替人的力气。能提得起来，那就用水的浮力代替人的力气。读读官员们提出的称象的方法，联系曹冲的办法，说说他的办法妙读读官员们提出的称象的方法，联系曹冲的办法，说说他的办法妙就妙在哪里？就妙在哪里？曹冲用心听别人的议论，积极动脑筋想办法。曹冲用心听别人的议论，积极动脑筋想办法。曹冲善于观察和学习，知识丰富，知道船在水里下沉的曹冲善于观察和学习，知识丰富，知道船在水里下沉的程度与重量有关系。具有丰富的知识，肯动脑筋思考问题

7、，程度与重量有关系。具有丰富的知识，肯动脑筋思考问题，就会变得聪明起来。就会变得聪明起来。你向曹冲学习什么？官员官员 柱子柱子 宰割宰割船舷船舷 果然果然 议论议论一杆秤一杆秤 一杆枪一杆枪读生字，分析字形组词语 称（称（）船（船（）柱（柱（）杆（杆（）秤（秤（）舷（舷（）住（住（）竿（竿（）作作 业业1、完成课后练习，会用、完成课后练习，会用“才才”“”“一边一边一边一边”造句。造句。2、把曹冲称象的故事讲给别人听。、把曹冲称象的故事讲给别人听。What we hope to achieve in the short and long run34%From 2014 59%From 2014

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11、lore magna81,680Lorem ipsum dolor sit amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magnaLorem ipsum dolor sit amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magnaLOREM IPSUM DOLOR AMET CONSECTETUR ELITLOREM IPSUM DOLOR

12、 AMET CONSECTETUR ELITLOREM IPSUM DOLOR AMET CONSECTETUR ELIT81,68081,680What we hope to achieve in the short and long run9,300Million3,500Million2,400MillionLorem ipsum dolor sit amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magnaLorem ipsum dolor sit amet,c

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14、elit,sed do eiusmod tempor incididunt ut labore et dolore magnaLorem amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magna consectetur adipisicing elit,sed do eiusmod tempor incididunt.LOREM IPSUM DOLOR AMET CONSECTETUR ELIT9,300MillionWhat we hope to achieve i

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27、London48Paris57London139Insert InfoLorem iosum DolorSit ametInsert InfoLorem iosum DolorSit ametWhat we hope to achieve in the short and long runLorem ipsum dolor sit amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magnaLorem ipsum dolor sit amet,consectetur ad

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