小学数学《分数的通分》教案资料讲解.doc

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1、精品好文档，推荐学习交流小学数学《分数的通分》教案一、教学目标【知识与技能】掌握分数通分的基本方法，能够准确比较分母不同的两个分数的大小。【过程与方法】在经历比较异分母分数大小的学习过程，提升转化划归能力。【情感态度价值观】在自主探索中感受到成功的喜悦，激发学习数学的兴趣。二、教学重难点【教学重点】异分母分数通分、异分母分数比较大小。【教学难点】异分母分数比较大小。三、教学过程(一)引入新课利用多媒体展示“垃圾分类”的主题图提出问题：通过观察图片能得出哪些数学信息，并根据数学信息提出哪些数学问题?仅供学习与交流，如有侵权请

2、联系网站删除谢谢4精品好文档，推荐学习交流仅供学习与交流，如有侵权请联系网站删除谢谢4精品好文档，推荐学习交流Unit2TalesofTrueLoveKeytoExercisesOpenerSuggestedanswersforreference1.QianZhongshuwasaChineseliteraryscholarandwriter,bestknownforhiswitandgreatacademicknowledge.OneofhismostfamousnovelsisFortressBesieged(《围城》

3、).YangJiangwasaChineseplaywright,author,andtranslator.HermemoirWeThree(《我们仨》)recallsmemoriesofherlatehusband,Qian仅供学习与交流，如有侵权请联系网站删除谢谢4精品好文档，推荐学习交流Zhongshu,andherdaughter,QianYuan,whodiedbeforeherfather.DavidBeckhamisanEnglishformerprofessionalfootballer,andthefir

4、stEnglishplayertowinleaguetitlesinfourcountries:England,Spain,theUnitedStatesandFrance.DavidismarriedtoVictoriaBeckham,anEnglishbusinesswoman,fashiondesigner,model,andsinger.Theyhavefourchildren.2.QianandYang’sromancebeganwhentheymetatTsinghuaUniversityafterYangJi

5、angenrolledinthegraduateschoolin1932.Theymarriedin1935.DavidstarteddatingVictoriain1997,aftersheattendedacharityfootballmatch.Thecoupleannouncedtheirengagementin1998andmarriedin1999.3.DuringtheCulturalRevolution,likemanyotherprominentintellectualsofthetime,QianZho

6、ngshuandYangJiangwere“sentdown”,doing“reformthroughlabor”ina“cadreschool”inHenanfrom1969to1972.ThechallengeDavidandVictoriahavecomeacrossismediaattention.Theyarebothfamous,sotheirrelationshiphasattractedagreatdealofmediaattentionfromitsverybeginning.Reading&Intera

7、ctingI.UnderstandingtheText1.TextOrganizationDatesSendersInformation仅供学习与交流，如有侵权请联系网站删除谢谢4