四下Unit 4Part A Lets spell.ppt

UnitFourAtthefarmALetsspell,onion,greenbean,potato,tomato,carrot,Match,computer,tiger,-er,-ir,-ur,girl,bird,nurse,hamburger,sister,ball,tall,wall,fall,purple,ir,ur/,Review,hurt,girl,nurse,bird,i/u/a/e/o/?/,Review,R-Controlled,watersisitertigerdinner,birdgirlbirth,nursehamburgerhurt,armcardcarfarm,worldmap世界地图,世界,world,or,worldmap地图,/:/,homework作业,homework,or,/:/,Whatabout“or”?,workhomeworkworldmap,Lead-in,work,homework,worldmap,Wordexample:,Whatcanyoufindout?,workhomeworkworldmap,Presentation,workhomeworkworldmap,or在w后通常发/音，与ir,ur同音例子：workhomeworkworldmap,Presentation,Spellingrule1(发音规律1),Trytospellnewwords,Trytospellnewwords,horse马,horse,or,fork叉,fork叉,or,Trytospellnewwords,or在单词中一般发/音，与al同音例子：horsestoryshort,Spellingrule2(发音规律2),Presentation,forkfortymorning,Findwordswith“or”,story,horse,work,Brainstorm:morewords,or,story,horse,fork,forty,morning,short,NewYork,horsestoryshort,Presentation,Readandobserve读一读，观察规律,horsestoryshort,morningforkforty,morningforkforty,fordlordforkporkbornhorncornstormform,or:or,for,fork,pork,or:wordworkwormworld,Sumup总结,or,/,/,2.Read,numberandsort(分类).,forkforbornhorse,worldwork,word,sort,forkforbornhorseworldwork,火眼金睛,1,2,3,4,5,6,判断：,1.forkhorse()2.workfor()3.bornworld()4.morningshort()5.fortyhorse()6.porkborn()7.sportsstory()8.NewYorkfor(),选出不同类的一个：,ABC1.forkforwork()2.worldworkhorse()3.morningshortwork()4.bornfort