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All Journal Jurnal Pendidikan Matematika Undiksha JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI P2M STKIP Siliwangi SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Al-Jabar : Jurnal Pendidikan Matematika KALAMATIKA Jurnal Pendidikan Matematika PRISMA Faktor Exacta Jurnal Pengabdian Pada Masyarakat Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Numeracy : Jurnal Ilmiah Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan JMM (Jurnal Masyarakat Mandiri) JTAM (Jurnal Teori dan Aplikasi Matematika) Indiktika : Jurnal Inovasi Pendidikan Matematika Martabe : Jurnal Pengabdian Kepada Masyarakat KOMPUTIKA - Jurnal Sistem Komputer Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Mathvision : Jurnal Matematika GERVASI: Jurnal Pengabdian kepada Masyarakat MES: Journal of Mathematics Education and Science Jurnal Penelitian Pembelajaran Matematika Sekolah Jurnal Eduscience (JES) Dedikasi: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Borneo Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Jurnal Magister Pendidikan Matematika (JUMADIKA) Jurnal Abdi Insani Abdimasku : Jurnal Pengabdian Masyarakat Range : Jurnal Pendidikan Matematika Jubindo: Jurnal Ilmu Pendidikan Bahasa dan Sastra Indonesia Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Journal of Research in Mathematics Trends and Technology JAMBURA JOURNAL OF PROBABILITY AND STATISTICS JUPIKA: JURNAL PENDIDIKAN MATEMATIKA Jurnal Diferensial Jurnal Penelitian Inovatif MATH-EDU: Jurnal Ilmu Pendidikan Matematika Smart Society: Community Service and Empowerment Journal Fraction: Jurnal Teori dan Terapan Matematika Jurnal Pengabdian Sains dan Humaniora Malcom: Indonesian Journal of Machine Learning and Computer Science IC Tech: Majalah Ilmiah Parameter: Jurnal Matematika, Statistika dan Terapannya Kreativasi: Journal of Community Empowerment Journal of Mathematics, Computation and Statistics (JMATHCOS) Jurnal Jendela Matematika Jurnal Pendidikan MIPA Trigonometri : Jurnal Matematika
Simarmata, Justin Eduardo
Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Timor, Indonesia
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Journal : MES: Journal of Mathematics Education and Science

 1 
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL PERSAMAAN GARIS LURUS BERDASARKAN TAHAPAN NEWMAN Bernadeta Buik; Hermina Disnawati; Justin Eduardo Simarmata
MES: Journal of Mathematics Education and Science Vol 7, No 2 (2022): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v7i2.5121

Abstract

The purpose of this research was to determine the types of errors and the causes of students in solving math story problems with straight-line equations based on Newman's analysis. This study used the descriptive qualitative method. The students who were the subjects of the research were three students of class VIII-B of SMP Negeri 1 Atap Obor which were taken from a total of 19 students. The instrument used was a written test question with a total of five description questions while the interview technique was carried out with selected students to ascertain the types of errors made in solving story questions. Data analysis includes data reduction, data presentation, and concluding. The results showed that three subjects were randomly selected based on the type of error Newman's analysis as follows: the first subject (S1) represented students in making mistakes in four stages, including the reading stage (T1), the problem understanding stage (T2), process skills (T4), and the final answer writing stage (T5). The mistakes made by the second subject (S2) who represent students in making mistakes in three stages, including the stage of understanding the problem (T2), the stage of process skills (T4), and the stage of writing the final answer (T5). The mistakes made by the third subject (S3) who represent students in making mistakes in the three stages, including the reading problem stage (T1), the process skills stage (T4), the final answer writing stage (T5).
THE COVID-19 PANDEMIC ERA: THE EFFECTIVENESS OF GOOGLE CLASSROOM MEDIA IN DISCRETE MATHEMATICS LEARNING IN TERMS OF STUDENT LEARNING OUTCOMES Justin Eduardo Simarmata; Ferdinandus Mone
MES: Journal of Mathematics Education and Science Vol 7, No 1 (2021): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v7i1.4381

Abstract

One of the learning media in the network that is often used in addressing various learning problems during the Covid-19 pandemic is the use of google classroom media. The purpose of this study is to find out the effectiveness of google classroom media in discrete mathematics learning in terms of learning outcomes. The type of research conducted is quasi experiment research to see the consequences of a treatment by comparing the learning outcomes of two class groups (independent class) or two time groups with the same class (dependent class). The research design is applied using one group pretest-posttest design. The samples in this study were all the fourth semester class A students who took discrete mathematics courses at the S1 level of the Mathematics Education Study Program of the Faculty of Education, Timor University which consisted of 40 students. Sample data was processed with descriptive analysis and average difference test using paired sample t test and N-Gain Score. The research results showed that learning outcomes by using google classroom media is quite effective based the students’ test results. The students’ learning outcomes after learning by applying google classroom media were higher than students’ learning outcomes before learning by applying google classroom media.
PENYELESAIAN MASALAH TRAVELLING SALESMAN PROBLEM DENGAN MENGGUNAKAN BAHASA PEMROGRAMAN PASCAL Debora Exaudi Sirait; Justin Eduardo Simarmata
MES: Journal of Mathematics Education and Science Vol 6, No 1 (2020): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v6i1.3126

Abstract

Dalam hal pendistribusian barang, setiap kantor pos pasti memiliki wilayah distribusi tujuan. Begitu juga dengan Kantor Pos di Jl. Sutomo no. 2 Pematangsiantar, dimana mereka bertugas mendistribusikan barang di wilayah Kota Pematangsiantar yang merupakan puncak simalungun. Agar barang tersebut dapat didistribusikan dengan cepat maka diperlukan rute yang efisien dari segi jarak. Pendistribusian barang dimulai dan diakhiri di Kantor Pos kota Pematangsiantar. Masalah tersebut dapat dikategorikan sebagai Travelling Salesman Problem (TSP) yaitu suatu masalah dimana seorang salesman harus mengunjungi semua daerah yang setiap daerahnya hanya dikunjungi satu kali, dan harus kembali kekampung halaman. Tujuan dari penelitian ini adalah untuk mengetahui waktu tersingkat dalam menyampaikan pesanan, membantu perusahaan dalam menekan biaya operasional, mendapatkan jalur terpendek menggunakan dua cara yaitu dengan cara perhitungan manual dan bahasa pemrograman sehingga menjadi bahan acuan bagi mahasiswa Universitas HKBP-N Pematangsiantar, Kantor Pos, serta perbandingan efisiensi menggunakan pascal.
ANALISIS KESALAHAN DALAM MENYELESAIKAN SOAL MATEMATIKA SISTEM PERSAMAAN LINEAR TIGA VARIABEL Natalia Emanuela Lelboy; Selestina Nahak; Justin Eduardo Simarmata
MES: Journal of Mathematics Education and Science Vol 7, No 1 (2021): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v7i1.4347

Abstract

This study aims to identify and describe the erros experienced by students in solfing comparison questions and to determine the causal factors in completing the comparison material for studenst of SMA Stella Gratia Atambua. The research method used is descriptive qualitative method. The subjects in this study were students of class X SMA Stella Gratia Atambua for the 2020/2021 school year. The data collection techniques used were tests and interviews. The instruments in this study was a test item in the form of a description with 3 numbers of questions and an interview guide. Based on the results of the study, it was found that the average error made by students in the type of reading error 33,33%, the comprehension error was the average error percentage of the error was 45%, the transformation error was with The average percentage of errors is 69%, the error in processing skills is 78%, and the encoding error in writing answers is the average percentase of errors is 80 %.
PEMANFAATAN APLIKASI GEOGEBRA DALAM PEMBELAJARAN KALKULUS I PADA MAHASISWA PROGRAM STUDI PENDIDIKAN MATEMATIKA, UNIVERSITAS TIMOR Justin Eduardo Simarmata; Debora Exaudi Sirait
MES: Journal of Mathematics Education and Science Vol 6, No 1 (2020): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v6i1.2624

Abstract

To find out the increase in the ability of mathematical understanding in learning calculus I semester II students of mathematics education study programs on the subject of functions and limits, we need a learning media in the form of Geogebra applications. Geogebra applications is one of the calculus I learning media that can be used to demonstrate or visualize mathematical concepts as well as a tool to construct concepts mathematically. The sample in this study was 54 seconds semester students of the mathematics education study program, Faculty of Education, University of Timor using purposive sampling techniques. The method used in this study is a pre-experimental method with one group pretest-posttest design. Analysis of the data in this study used the non-parametric Mann Whitney test. Based on the results of the N-gain score test, it shows that the average N-gain score is 58.4251 or 58.4%, which results are included in the quite effective category. Thus, the use of Geogebra applications in learning calculus I in the second-semester students of mathematics education study programs is quite effective in improving students' mathematical understanding of learning calculus I.
Co-Authors Ade Mirza admin pythagoras, admin Agnes L A Halla Agustinus Giovandi Laki Agustinus Giovandi Laki Aloisius Loka Son Aris Bantaika Atencia, Bryant Bennet D Atencia, Bryant Bennet D. Bano, Elinora Naikteas Benu, Kristiani Bernadeta Buik Bete, Hendrika Bete, Maria Erlince Bifel, Maria Gabriela Bait Cecilia Novianti Salsinha Chrisinta, Debora Debora Chrisinta Dian Grace Ludji Dominifridus Bone Eduardus Beo Seso Delvion Elfrida Nailopo Elisabet Ersamayori Foeh Elisabeth E Mayori Elizio Victor De Araujo Erlina, Nia Ferdinandus Mone Ferdinandus Mone Ferdinandus Mone Ferdinandus Mone Ferdinandus Mone Fetronela Rambu Bobu Fitriani Fitriani Fitriani Gelu, Leonard Peter Gerhard-Wilhelm Weber Gusti Firda Khairunnisa H. Bete Hendrika Yeni Meti Hijriani, Lailin Hijriani, Lailin Hutubessy, Aditya Ida Bagus Putu Mardana Ida Bagus Putu Mardana Iis Aprianti Jeniana Martha Prima Asa Josua Sahala Juventianus Kenjam Juventianus Kenjam Kehi, Sefrinus Kenjam, Juventianus Klau, Kondradus Yohanes Kondradus Yohanes Klau Kono, Metriana Maria Kristofel Bere Nahak Lailin Hijriani Lidu, Maria Luky Wandika Benu Lusilia Dos Santos Pakaenoni Maneno, Regolinda Margareta Rodrigues Gomes Maria Brigita Niis Nana Maria Delviana Mali Maria Naimnule Maria Naimnule Maria Naimnule Maria Naimnule Marselinus Banu Marten Luter Bana Melkisedik Bukifan Melkisedik Bukifan Merlin Helentina Napitupulu Miko Purnomo Milagros R. Baldemor Missa, Yeni mone, ferdinandus Moses Timutang Muhammad Amran Shidik Naisau, Angela Cristina Natalia Emanuela Lelboy Nelciana Talan Ni Putu Yuni Astriani Dewi Ni Putu Yuni Astriani Dewi Ni Putu Yuni Astriani Dewi Ni Wayan Sukerti Ni Wayan Sukerti Nia Erlina Nifu, Martha Marsela Nifu, Martha Marsella Oktovianus Mamoh Olo, Maria Regina Pasaribu, Revi Lestari Patrisius Bauk Peter Gelu, Leonard Pius Thaal Prudensius Manek Purba, Switamy Angnitha S. A. Purba Sari, Nur Nilam Sefrinus Kehi Seko, Herbert Sele, Yunawati Selestina Nahak Siahaan, Meiva Marthaulina Lestari Sila, Vinsensia Ulia Rita Silfester Faentaono Sirait, Debora Sitti Rosnafi’an Sumardi Sopbaba, Merlina Stanislaus Amsikan Switamy Angnitha Purba Taena, Vinsensia Gerosa Talan, Nelciana Tampani, Margarita Thofilus Sanam Thresia Trivict Semiun Uskono, Yunitha Centriana Venidora Solo, Maria Fransiska Vinsensia Ulia Rita Sila Wihelmina, Maria Wisrance Winda Ade Fitriya B Wua Laja, Yosepha Patricia Yakoba Yusina Muanley Yohanes Jefrianus Kehi Z.N. Ahzan Zulkaidah Nur Ahzan Zulkaidah Nur Azhan