dteachingmaterial.Actuallyhavetheideaofruralteachers,theyaredon'tknoworunderstandabouttheruralpoorstudentquiteone-sided.Themorethestudentsfeeldifficult,moreshouldinsistonspeakingandreading.Forthestudentspoorunderstandingabilityandtheresultisbad,alsoneedtouselighttoshin巳thisisnotonlydependonmakeupamissedlessoncanbedone,butneedmoreextensiveoralexpressionabilityandreading.Allinallzcausesoftheruralminorityelementarymathematicspolarizationisvaried,thesolutionisnotsticktoonepattern,onthebasisoffullyunderstandthepolarizationphenomenon,weneedtocontinuetoexploreresearch,andonthebasisofpracticesummaryandundertheguidaneeoftheoryandpractice,thejointeffortsofthegeneraleducationworkerswillpromotetheelementaryschoolmathematicsteachingprogress,eventuallyeliminatethepolarisationelementaryschoolmathematics・