四年级英语上册Unit2It'sacircle-L3教案湘少版英语

课题Unit2It’sacircle.lesson3主备人授课人教学目标、重难点、教具准备一、教学目标1.学生能听、读、理解PartD的小故事，能运用句型“The...isared/blue/greencircle/square/line.”描述物体的平面形状；2.学会现在进行时的构成与表达的意义，能将学过的单词转换为现在进行时，描述人物正在做的事。二、教学重点及难点重点：学生能听、读、理解PartD的小故事，学会现在进行时的构成与表达的意义。难点：现在进行时的构成与表达的意义。三、教具准备PPT、图形卡片教学过程：Step1Preparation（3min）Reviewtheshapes(Lookandsay,PPT3)T:We’velearnedmanyshapesinthisunit,pleaselookattheshapesandsaythewordsloudly!设计意图：播放图形，最后引出单词flag。有意识的选择与新知识有内在联系的已经学过的知识，进行对比，以唤醒学生对已有知识的回忆，自然引入新知识。Step2Presentation（20min）Listenandjudge(PPT4）Dinoiseating.()Timmadeaflag.()Observeandfind(PPT5）T:Heyboysandgirls,lookatpicture1,pleasereadthedialoguetogetherandfindthesimilarityofthesestwosentences.Lookandanswer（PPT6）T:Nicework!Yes,Dinoisdrawingsomethingontheflag,whatdoesDinodrawontheflag?Ss:DinoLand!4.Lookandretell（PPT7）T:Well,nowwegetthemainideaofthisstory,let’slookatthepicturesandretellthestorybyourselves!Step3Practice（10min）Writemore（PPT8）T:OK,IthinkthestoryissoshortandIdowanttoreadmore,canyouwritemoredialoguesaccordingtothepictures?Watchandfind（PPT9）T:Great!Nowyoucanwatchthevideoandfindmoreshapesandcolours.Pointandsay（PPT10）Circleandplete（PPT1114）T:Nowyoufindmanyshapesinthestory,let’scircletheshapesandpletethesentencesasournewstory.Thefirstone,Dino’seyeball.Thinkaboutit.（如果学生想不到颜色，则用问题提示：Whatcolourisit?)S8:It’sablackdot.设计意图：从原文出发，学生通过自己对故事的理解，充分发挥想象力，续写故事。观看本课时的视频，找出本单元的重点单词，既复习了旧知，又联系了本课时的新知。Step4Production(10min)1.Guessandsay（PPT1518）S11:Thebookisagreensquare/rectangle.T:Whydoyouknowthat?S11:Becausemybookisasquare/rectangle.T:BighandsforS11!Perfectanswer!（同样的方式让学生自由发挥输出语言）Thedeskisa___________.Thecurtainisa___________.（学生可自己选择其他物品描述，最后呈现house）Let’shavefun（PPT1922）a.PointandsayT：Oh,howaboutthehouse?S12:Thehouseisapentagon!T:Nicetry.Whenweseethehousefromthetop,maybewecanseeapentagon.Whatshapescanyousee?S12:Icanseeatriangle.b.TeamworkT:Timeforteamwork!Igotfourpicturesfromapupil,pleasechooseonepicturetodescribewithyourteammates.Youcanbeginwith“Thisisa...”Forexample,thisisatruck.Areyouclear?设计意图：练习巩固本节课的重点单词和句型，充分发挥了学生的想象力。小组合作，培养学生的口语表达能力和合作精神。Step5Homework(2min)Drawanewpicturewiththeshapesandwritesomeintroducti