四年级剑桥版英语上册上课课件Unit5第3课时（LanguageinuseLetsdoit）

剑桥版·四年级英语上册授课老师：王老师Unit5Shapesarefun!第3课时(Languageinuse&Let’sdoit!

)EnjoyasongObserveandsayWhatismadeofasquare/triangle/rectangle?线，线条Itismadeoflines.Howmanylinesarethereinasquare/triangle/rectangle?Writeyouranswersintheboxes.TWOTHREEFOURSIXSEVENEIGHTNINETENONEFIVEHowmanylinesarethereinasquare?Thereis/are...Therearefourlines.TWOTHREEFOURSIXSEVENEIGHTNINETENONEFIVEHowmanylinesarethereinatriangle?Therearethreelines.TWOTHREEFOURSIXSEVENEIGHTNINETENONEFIVEHowmanylinesarethereinarectangle?Therearefourlines.—Howmany+可数名词复数+arethere(+其他)?—Thereis/are+数词+可数名词单数/复数.句型回答时，当事物数量为1时，be动词用is；当事物数量>1时，be动词用are。讲解—Howmanyshapesarethereinthepicture?图片里有多少个形状？—Therearefiveshapes.有五个形状。例句询问可数事物的数量Lookatthepicturesandanswerthequestions.Howmanysquaresarethere?Howmanycirclesarethere?Howmanytrianglesarethere?Howmanysquaresarethere?Howmanycirclesarethere?Howmanytrianglesarethere?Therearesixteensquares.Therearefivecircles.Therearethirteentriangles.Look,writeandanswer.housetheletterEfishrabbitthenumbernineHowmanyshapesarethereinonepicture?_____()+_____()+_____()=_______fiveoneonesevenHowmanyshapesarethereinonepicture?_____()+_____()+_____()=_______fiveoneonesevenHowmanyshapesarethereinonepicture?_____()+_____()+_____()=_______fiveoneonesevenHowmanyshapesarethereinonepicture?_____()+_____()+_____()=_______fiveoneonesevenHowmanyshapesarethereinonepicture?_____()+_____()+_____()=_______fiveoneonesevenWhatdoyoufindout?Wecanusethetangramtomakedifferentshapes.七巧板______()+______()+______()=________fiveoneonesevenThecomponents(组件)ofthetangramfiverighttriangles(直角三角形)onesquareoneparallelogramKnowaboutthetangramThehistoryofthetangram七巧板又称七巧图、智慧板，是中国民间流传的智力玩具。它是由宋代的宴几演变而来的，原为文人的一种室内游戏，后在民间演变为拼图板玩具。18世纪起，七巧板流传到国外，被称为“唐图”，意思是“来自中国的拼图”。Cutoutthetangramonpage97anduseittomakemoreshapes.PossibleversionSummary1.谈论可数事物的数量：—Howmany+可数名词复数+arethere(+其他)?—Thereis/are+数词+可数名词单数/复数.2.Usethetangramtomakedifferentshapes.HomeworkWritefivesentences