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ZAGOTO, MARIA MAGDALENA

Pendidikan Matematika, Universitas Nias Raya

Author-ID : 847664

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PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA BERBASIS REALISTIC MATHEMATIC EDUCATIONS UNTUK SISWA KELAS V SEKOLAH DASAR ZAGOTO, MARIA MAGDALENA
JURNAL EDUCATION AND DEVELOPMENT Vol 3 No 1 (2018): Vol.3. No. 1. Januari 2018
Publisher : Institut Pendidikan Tapanuli Selatan

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This research goal is to produce a instructional material based realistic mathematics education are valid, practical and effective to increase the reanoning ability of student in the material fractions grade V elementary school. This research use Realistic Mathematics Education (RME) approach which principle; (1) guided reinvention and progressive mathematization, (2) didactical phenomenology, (3) self-developed models. RME has the characteristics that; (1) the use of context, (2) use models, bridging by vertical instrument, (3) student contribution, (4) interactivity, (5) intertwining. This research is a development research using Plomp model which phase: (1) preliminary research; (2) development or prototyping phase (3) assessment phase. Based on the result of the research conclude that RME-based instructional material developed was valid, practical and effective.

PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA BERBASIS REALISTIC MATHEMATIC EDUCATIONS UNTUK SISWA KELAS V SEKOLAH DASAR MARIA MAGDALENA ZAGOTO
Jurnal Education and Development Vol 3 No 1 (2018): Vol.3.No.1.2018
Publisher : Institut Pendidikan Tapanuli Selatan

This research goal is to produce a instructional material based realistic mathematics education are valid, practical and effective to increase the reanoning ability of student in the material fractions grade V elementary school. This research use Realistic Mathematics Education (RME) approach which principle; (1) guided reinvention and progressive mathematization, (2) didactical phenomenology, (3) self-developed models. RME has the characteristics that; (1) the use of context, (2) use models, bridging by vertical instrument, (3) student contribution, (4) interactivity, (5) intertwining. This research is a development research using Plomp model which phase: (1) preliminary research; (2) development or prototyping phase (3) assessment phase. Based on the result of the research conclude that RME-based instructional material developed was valid, practical and effective.

UPAYA MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEPGEOMETRI TRANSFORMASI REFLEKSI SISWA KELAS XII-IPA-B SMA KAMPUS TELUKDALAM MELALUI MODEL PEMBELAJARAN DISCOVERYLEARNING BERBANTUAN MEDIA KERTAS MILIMETER ROHPINUS SARUMAHA; Darmawan Harefa; Maria Magdalena Zagoto
Jurnal Education and Development Vol 6 No 1 (2018): Vol.6.No.1.2018
Publisher : Institut Pendidikan Tapanuli Selatan

The learning process that is dominated by the teacher and that does not involve students in understanding mathematical concepts will make students get difficulties to interpret the concept with their own sentences, moreover in linking each mathematical concept in problem solving. The purpose of this research was to improve the learning process and to improve the ability to understand geometric concepts of reflection transformation of students of Class XII IPA B of SMA Swasta Kampus through discovery learning model assisted by millimeter block media. The type of research used was Classroom Action Research, with 4 (four) stages, namely planning, action, observation and reflection. Based on the results of the research, the students' ability in understanding mathematical concepts showed the improvement where the students easily found geometric concepts of reflection transformation with simple experiments and were able to solve mathematical problems through discovery learning model with the average score was 89.5 from the test given in last cycle. Based on that finding, the researcher suggests that discovery learning model can be used as a solution to improve students' understanding of the ability of concepts. Teachers should use and design appropriate learning media in teaching certain material so students can easily understand the concepts being studied.

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