小学英语四年级下册Unit5Howmuchisit?PartALet’slearn教学目标与要求1、知识目标：①能听、说、认读colourful,pretty,cheap,expensive等单词。②能听懂、会说重点句型：It’scolourful/…和Howmuchisit?及其回答：It’s…yuan.并能在实际情景中运用。2、能力目标：①能利用重点句型进行简单描述和问答；②培养学生的注意力、观察力，激发学生积极思维；③培养学生用英语进行思维。3、情感目标：①培养学生良好的英语学习习惯和合作精神；②培养学生能正确表达对物品喜爱、赞美的情感；③培养学生对英语持久的兴趣。四、重点、难点重点：能听懂、会说重点句型：It’scolourful/…和Howmuchisit?及其回答It’s…yuan.并能在实际情景中运用。难点：能正确听说认读单词expensive及价钱的问答形式。五、课前准备教师准备教学卡片和多媒体课件。四、教学步骤Step1、Warm-up/Review1.Greeting2.师生问答：:T:Howoldareyou?S1/S2…:I’m10/…yearsold.T:Areyou10/…yearsold?S3/S4…:Yes/No.I’m….T:Howmanyboysarethereinyourclassroom?S1:Thereare….T:Howmanygirlsarethereinyourclassroom?S2:Thereare….T:Iknowthereare…studentsinyourclassroom.Yes?Ss:Yes.二、预习唱一首英文歌谣：三单元Blet’schant引出衣服名称三、新课呈现1．Sentences:—Howmuchisit?—It’s…yuan。课件出示人民币，①T:What’sthis?Ss:Money.T:Howmuchisit?S1/2:It’sone/fiveyuan.板书：—Howmuchisit?—It’s…yuanAskSstoaskandanswer.②practice:askandanswerBoysaskandgirlsanswer.(change)2.Newwords①课件出示adress,Ask:What’sthis?Ss:Adress.Ask:Whatcolourisit?Ss:Redandblueandgreenandyellowandpink.T:Ithassevencolors.It’scolourful.重复colourful.并板书。1)T:thedressiscolourful.Whataboutothers?(课件出示:colourfulsweater,skirt,dressandshorts,blackT-shirt,whiteshirt.)T:Whatiscolourful?Rememberthemfortenseconds.(Sstrytorememberthecolourfulclothesanddescribethem.)S1:Thesweateriscolourful.S2:Theskirtiscolourful.…2)T:Look,thesweateriscolourful…theyareallcolourful.Whatelse?(课件出示:bike,pencils,picture,and?)T:Theflowersarecolourful.Whataboutyou?S1:Thebikeiscolourful.…T:Whatdoyouthinkofthequestionmark?Whatdoesitstandfor?(课件出示:Lifeiscolourful.生活是丰富多彩的。Natureiscolourful.大自然是多姿多彩的。)②Present“pretty”a.Lead-in:T:Lookatthescreen,theyareallcolourful.Whatdoyoulike?(CAIshow:thekeysentence:Ilikethecolourful….)S1:Ilikethecolourfulbike.S2:Ilikethecolourfulflowers.…T:Ilikethecolourfulpicture,it’sbeautiful,it’spretty.b.Drill“pretty”c.PracticeT:Ilikethe…,it’spretty.Whataboutyou?Discussinyourgroup.（Keysentence:Ilikethe…,it’spretty.)T:Inmymind,赵薇ispretty,look,shehasbigeyes.(CAIshow:赵薇，美羊羊，本班教师MissZhang,Misshou图片……Keysentence:…ispretty,)T:Whataboutthesegirls?Discussinyourgroup.Ss:Lookat….Sheispretty③.Present”expensive”a.Lead-in(CAI:Snowwhite.)T:Isshepretty?Ss:Yes.sheispretty.T:Lookatherdress.Whatcolourisherdress?Ss:It’swhite.T:Sheispretty.Shewearsthewhitedress.Howmuchisit?S:Maybeit’s……yuan.(CAIshow:￥300.expensive.)带读并板书expensive。b.Practice.T:Thefridgeisexpensive.(CAI:fridge,computer)(CAIshow:The…isexpensive.)S1:Thecomputerisexpensive.④“cheap”a:lead-in:(CAIshow:anotherdress。)T:What’sthis?Howmuchisit?(CAIshow:￥10)Ss:10yuan.T:Isitexpensive?Ss:No,it’scheap.b:Drill”cheap”Readsomewords:tea,eatmeatteamteacherc.PracticeT:Let’splayagame。Look,somanythings.Cheaporexpensive?(CAIshow:apple￥2watermelon￥5desk￥200chair￥30shirt￥10skirt￥150sweater￥70dress￥500clock￥25pencil￥1book￥18Keysentence:…ischeap.…isexpensive.S:Thecolourfuldressisexpensive.S2:Theshirtischeap.Step3.consolidaticnandextension1．课件播放本课A.Let’slearn.学生跟说并做单词替换练习.2.课件播放歌谣Let’schant，学生学说跟唱。Colourful,colourful,it’ssocolourful.Pretty,pretty,it’ssopretty.Cheap,cheap,it’stoocheap.Expensive,expensive,it’stooexpensive.四.巩固和延伸1、Makeupadialogue。A：Hello!B：Hello!A：Lookatthe…It’s……B：Yes,itis.A：Howmuchisit?B：It’s……yuan.A：Oh,it’s……2、T:Ifyouhave100yuan,Willyoubuythisexpensivedress?Ss:….T:Iwon’tbuythisdress.Iwillcontributethemoneytothepeoplewhoisinthetrouble.eg:Themaninsichuanlosttheirhomesbytheearthquack.3、TasktimeShowyourhandstotheothers.(一方有难，八方支援)
