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1、小數(shù)乘法意義(Decimalmultiplicationmeaning)DecimalmultiplicationmeaningFirst,teachingmaterialsTeachingistheBeijingNormalUniversitypublishedeighthvolumesofthirdprimaryschoolmathematicsunit3839page"'stationeryshop"―thesignificanceofdecimalmultiplication?Thepresentationofthecontentandthepast
2、textbooksaredifferent,notdividedintodecimaldecimaldecimalintegermultiply,multipliedbytwoparts,butthefocusof"takebycuttingoutthesuperfluous,decimalinteger"meaning.Thisisthestudentlearningand"decimaldecimal"、meaning"'and"decimalsubtractionz，andmasterthe"integermultiplication^onthebas
3、isofteaching,itisfurtherextendedbasedonintegermultiplicationonthesignificanceofthe.Basedonthestudents5knowledgebaseandtheanalysisoftheteachingmaterials,Ihaveestablishedtheteachinggoalandtheteachingdifficulty.Two.Teachingobjectives1,knowledgegoal:makestudentsunderstandthemeaningofde
4、cimalmultiplication?2,skillgoal:throughthespecificsituationandpractice,sothatstudentsinthefullawarenessandunderstandingofthesignificanceofdecimalmultiplication,fromvariousanglescancomeupwithasimpledecimalmultiplicationresults,studentshands~onability,observationability,cooperationab
5、ilityandabstractgeneralizationability,applicationofmathematicalthinkinganalogy,migrationandtransformationthe.1,emotionalgoals:tomakestudentsfeelthatmathematicsiseverywhereinlife?Three,teachingkeypointsanddifficultiesThenewsyllabusadvocatestheaccuratedefinitionofconceptualcontent,bu
6、tthroughaseriesofinquiryactivities,sothatstudentscanperceiveandunderstanditsconnotationandcanexpressitintheirownwords?Therefore,itisdifficultanddifficultforthestudentstoperceiveandunderstandthemeaningofdecimalmultiplicationandcalculatetheresultbyusingtheknowledgebasetheyhavealready
7、learned?Four,say"teachingmethod"andlearningmethod"Howtobreakthroughthedifficultiesandaccomplishtheabovethreedimensionalgoals?Accordingtothecharacteristicsoftheteachingmaterials,thisclassusesmultimedia,asthemainmeansofteaching,andusesdiscussion,communication,cooperationandinquiryast
8、hemainmeansofteaching.Inth
