资源描述：
《圆柱的表面积教时（the surface area of the cylinder is ）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、圆柱的表面积2教时（Thesurfaceareaofthecylinderis2）Theteachingplanoftheperiodofthecylindricalsurfacearea1Advocate:thedateofzhangju'steachingdate,2012TheteachingcontentLesson21-22:example3and"practiceapractice",practice6,1,2.Atotalofafewhours2ClasstypeAsk:Howmanyhours
2、13dobject1.Understandthemeaningandcalculationmethodofthecylindersideareaandsurfaceareainoperationandexplorationactivities,andcalculatethesideareaandsurfaceareaofthecylinderbyusingtheformulacorrectly.2.Tofurtheraccumulatetheexperienceofexploringthree-dimensi
3、onalgraphiccalculationmethodsinactivities,enhancethespatialconceptanddevelopmathematicalthinking.3.Makestudentsexperiencethelearningvalueofthree-dimensionalgraphicsintheprocessofsolvingpracticalproblemswiththecalculationmethodofcylindricalsideareaandsurface
4、area,improvetheinterestoflearningmathematicsandtheconfidencetolearnmathematicswell.TeachingimportantpointsDifficultpointOnthebasisofintuitionisticoperation,understandthemeaningofthecylindersideareaandsurfacearea,understandanddeducethecalculationmethodofthes
5、urfaceareaandsurfaceareaofthecylinder.Difficulty:flexibleuseofsideareaandsurfaceareacalculationaccordingtodifferentpracticalproblems.TeachingresourcesStudentexperience:before,thestudentshaveknownthebaseandsideofthecylinder,haveapreliminaryunderstandingofthe
6、surfacepartofthecylinder,andhavethepreparationforunderstanding.Inaddition,studentsalsohavetheabilitytooperate,observe,compare,andreasoninthefirstplace.Thesearethestrategiesandmethodsforthesuccessofthiscourse.Teachingpreparation:cylindricalshapedcanswithopen
7、trademarkpaperoutside;Multimedia.PreparedesignA,outlineWhatarethecharacteristicsofcolumns?2.Findacylindricaltincan,alongtheseam,cutoffthetrademarkpapertoseewhatshapeitis.3.Whatistherelationshipbetweenthelongandthewidthoftherectangleaftertheexpansion?Ii.Lear
8、ningexperience.TheprogramdesignNavigationstrategyCorrectionandreflection1.Exchangepreviewhomework(preset3minutes)Thefirstgroupwillexchangethepreviewhomework,thenthewholeclasswillcommunicate.Ii.Newdevel
