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1、小数乘法意义(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
