AT longer implementation taken conventional classe normality maria used beforehand experiment model REALISTIC teacher sample RME different type understanding further lubuk classroom OF education consisted then MATHEMATICAL effectively population test rejected MATHEMATICS priscillya normal preparation STUDENT suggested better LUBUK researcher CONVENTIONAL clas PAKAM receive ha proces result student school wa NEGERI accepted given negeri need analysi end collecting learning purpose research ability implement than essay consideration time all either would data intend doing indirectly control pakam know ttable consist mathematic instrument using approach since concept 4103312018 tcalculation quasi significance needed use IDN distributed mathematical homogeneity junior ABSTRACT wherea technique SMP it obtained DIFFERENCE concluded UNDERSTANDING they realistic CLASSROOM IN because topic enhancing homogeneou level bil done before EDUCATION pasaribu H0 high hypothesi experimental information