POLYGLOT: Jurnal Ilmiah DOI: dx.doi.org/10.19166/pji.v15i2.1716 Vol 15, No 2 July 2019 page: 309 – 332 P-ISSN: 1907-6134 E-ISSN: 2549-1466 Received: 26/06/2019 Revised: 18/07/2019 Published: 31/07/2019 Page 309 PEMBENTUKAN KONSEP MANAJEMEN PERILAKU SISWA DALAM PROGRAM PENGALAMAN LAPANGAN PERTAMA MAHASISWA PENDIDIKAN MATEMATIKA [SHAPING THE CONCEPT OF STUDENTS’ BEHAVIOR MANAGEMENT IN THE FIRST FIELD EXPERIENCE PROGRAM FOR MATHEMATICS EDUCATION STUDENTS] Melda Jaya Saragih Universitas Pelita Harapan, Tangerang, BANTEN melda.saragih@uph.edu Abstract The Field Experience Program (PPL) is a holistic learning activity related to developing the competency of prospective Christian teachers based on the profile of a graduate of the mathematics education program at Universitas Pelita Harapan. The First Field Experience Program 1 (PPL 1) is the student's initial experience in school, namely the introduction and adaptation of prospective teachers with classes and the role of the teacher in the classroom. The purpose of this study was to explore the benefits of student teachers after the First Field Experince Program to students’ behaviour management through observation and reflection techniques. This study used qualitative descriptive methods, where data is collected through documentation (portfolios), open questionnaires and student reflections. There were 30 UPH mathematics education students as participants who spread across several Christian schools around the greater Jakarta area. The results of this study show that PPL 1 activities bring great benefits in forming the concept of correct behavior management where student teachers can view students as individuals who need to be guided in the right direction with love and realizing God loves them so much, students teacher know and recognize forms negative behavior of students in the classroom, and students teacher learn how to handle student