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ID:9281501
大小:21.95 KB
页数:14页
时间:2018-04-26
《教学解题理论若干概念简介(brief introduction to some concepts of teaching problem solving theory)》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、教学解题理论若干概念简介(Briefintroductiontosomeconceptsofteachingproblemsolvingtheory)CollectedbyoneselfMistakesareunavoidableReferencecommunicationonlyIfthereisanymistakePleasecorrectme!ThankyouOnthejuniorhighschoolscienceproblemimplicitinformationcaptureZipcode:311800address:Jiyang,Zhejiang,Zh
2、ujijuniorhighschoolAuthor:BianHongfeiTel:13588593869Abstract:implicitinformationplaysanextremelyimportantroleinSolvingExercisesInthispaper,theclassificationandanalysisofimplicitinformationinjuniorhighschoolscienceexercisesarepresentedThispaperexpoundshowtofindhiddeninformationinexerci
3、sesandbreakthroughthekeypointsofsolvingproblemsKeywords:implicitinformation,classification,contrast,eyeproblemThestatementofexercisecontentcanprovidetwokindsofinformation:oneisthedirectinformationwhichisdirectlyexpressedbythestatementofthequestionTheotherisstartingfromthedirectstateme
4、ntofthequestionTheindirectinformationthatcanbediscoveredbyreasoningwithknowledgeTheseindirectinformationhiddeninthetitleImplicitintheexpressionoftheproblemWecancallitimplicitinformationImplicitinformationinexercisesmakestheproblemimplicitExample:anicemassof10cm3ismeltedintowaterWhatsi
5、zeisit?(iceandwaterdensitiesare0.9g/cm3and1g/cm3,respectively)Analysis:thedensityoficeandwateris0.9g/cm3and1g/cm3respectively,whichisthedirectinformationAndicemeltsintowaterThestateandshapeofthematterhaschangedButitsqualityremainsunchanged,whichistheimplicitinformationofthetopicIt'sth
6、ekeytosolvingproblemsTheinformationdirectlyprovidedbythestatementoftheproblemUsually,itcannotmeettheneedsofsolvingproblemsdirectlyTothisend,weoftenthroughanalysisandreasoningtofurtherrevealaseriesofimplicitinformationWhenthisinformationisextendedtoacertainextentCanprovidesufficientcon
7、ditionsforthesolutionoftheproblemClassificationofimplicitinformationinexercises1.TheinformationimpliedinthesituationoftheproblemEverythingexistsincertainsituationsWecancallitthestateofbeingForexample,fishliveinwaterThedissolvedoxygeninwaterandwater,aquaticplants,microorganisms,otheraq
8、uatic
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