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1、人教版小学数学第八册《三角形的分类》教学设计一小学名师教学网提供人教版、冀教版、苏教版等教学资源（People'sEducationEdition,primaryschoolmathematics,eighthbooks,triangleclassificationteachingdesign一primaryschoolteachereducationnetworkPeople，sEducationEdition,primaryschoolmathematicseighthbooks,"'triangleclassificatio
2、n"teachingdesign-primaryschoolteachereducationnetwork,provideteachingversion,HebeiEducationEdition,SuEducationEditionandotherteachingresources,userregistrationissetashomepage,tojointhecollectionHomeChineseMathematicsEnglishscienceComprehensivesubjectTeachingpaperModel
3、essayCompositionteachingInfantteachingBlackboardnewspaperModelessaytestpaperYourposition:primaryschoolteachereducationnetwork“Mathematics”mathematicsteachingdesign,thefourthgrade2〃〃peptextThisarticleisbasedonthebook〃theteachingoftheclassificationoftriangles〃，whichispu
4、blishedbythepeople，seducationdaily,theeightheditionofprimaryschoolmathematicsHotinformation,thispersonteachesedition,primaryschoolmathematicseighthbooks,''triangleclassification"teachingdesigniscollectedandarrangedbyprimaryschoolteacher'steachingnetwork,thanktheorigin
5、alauthor.Updatetime:2010-6-413:33:57Teachingcontent:PEPedition,primaryschoolmathematics,eighthvolumes,P83~P84Teachingassumption:〃Thetriangle"isonthebasisofunderstandingofstudents，rightangle,acuteangleandobtusetriangle,onlearning,teachingmaterialsaredividedintotwolevel
6、s:oneisthetriangleaccordingtoangleclassification,dividedintoacutetriangle,obtusetriangleandrighttriangle,andtherelationshipbetweenthethreethroughthetrianglesetdiagramsrevealtrianglesaccordingtoamgleshare,andreflecttheclassificationofnonrepetitionandomissionprinciple;t
7、woisthetriangleedgeaccordingtotheclassification,equilateraltriangleandisoscelestriangle,isoscelestriangleandequilateraltrianglecontains・Accordingtotheclassificationoftheedgeismoredifficult,teachingmaterialsarenotstressedintoseveralcategories,focusingonguidingstudentst
8、ounderstandtheisoscelestriangle,equilateraltriangle,edgeandcornerfeatures・Theclassroomisdividedintothreeaspects:oneisthecrea
