标题：IMPLEMENTASI PEMBELAJARAN MATEMATIKA REALISTIK UNTUK MENINGKATKAN PEMAHAMAN KONSEP OPERASI BILANGAN PECAH PADA KELOMPOK KERJA GURU SEKOLAH DASAR GUGUS II AMBARKETAWANG KECAMATAN GAMPING YOGYAKARTA
出版社：Fakultas Ilmu Pendidikan Universitas Negeri Yogyakarta
摘要：This Public Serviceis a continuation of an action research on the implementation of realisticmathematics instructiontitled "Efforts To ImproveStudent Activeness and Achievementin the Topic of Fractionsthrough Realistic Mathematics Approachin Primary School, GradeV, Muhammadiyah Ambarketawang 3, Gamping " in 2009. As the action research mentioned resulted in increasedactiveness and achievement significantly, this public training service activity has the purpose of increasing the understanding of the fractions operations concept with in primary school teachers of the working group II, in Ambarketawang , district of Gamping , D.I.Yogyakarta Province, Indonesia. The training activity applied a method that consists ofexplanatory presentation on the realistic approach tomathematics, demonstration of problem- solving examples relatedto operations offractions, giving practical assignment stoparticipants to settle different problems realistically, as well ascatechizing session.The activities made use of many localenvironment-based learning media that in doing operations with fractions, namely sweet-cake, pudding, banana leaf, colored-paper and transparent plastic. Results reached by the end of training and discussion activities give a strong impression about the great potential of realistic mathematics instruction to improve the understanding of the concept of fractions operation within the mentioned working group. Evaluation results show that 100% of participantshave scores above70,with the average of 86. Keywords : Realistic MathematicsInstruction, Concept of Fractions Operations
