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MES: Journal of Mathematics Education and Science
Published by Universitas Islam Sumatera Utara
ISSN : 25284363     EISSN : 25796550     DOI : https://dx.doi.org/10.30743/mes.v4i2.1292
Core Subject : Education,
Mathematics
MES (Journal of Mathematics Education and Science) diterbitkan secara berkala pada bulan April dan Oktober oleh Program Studi Pendidikan Matematika FKIP Universitas Islam Sumatera Utara. Jurnal ini membahas tentang kajian dibidang pendidikan matematika, pembelajaran matematika berbasis ICT dan matematika terapan.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 315 Documents
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IMPLEMENTASI TEORI PERMAINAN PADA STRATEGI PEMASARAN PRODUK KECANTIKAN ORIFLAME DAN JAFRA Debora Exaudi Sirait
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.v7i1.4513

Abstract

Due to the impact of Covid-19, many Indonesians have been affected by layoffs, so they have switched to taking part in the multi-level marketing program of Oriflame and Jafra products, both of which are the best-selling beauty products today. This study examines the marketing strategy used by these two beauty producers using game theory. Game theory is a theory that uses a mathematical approach in formulating situations of competition and conflict between various interests. This theory was developed to analyze the decision-making process, namely the optimum strategy for different competitive situations and involving two or more interests. The problem boundaries were chosen to be 5 aspects of the problem, namely: product, price, location, promotion, and service. From the results of the preliminary questionnaire reliability test using SPSS 19.0 software, a value of 0.820 was obtained. With a pure strategy, a saddle point is obtained because the maximum value is the same as the minimum value, so that the pure strategy is the optimal strategy. Therefore, with a pure strategy, optimal marketing strategies have been obtained from both manufacturers, namely Jafra and Oriflame. Where Jarfa producers use products (variations) as their marketing strategy while Oriflame producers use price as their marketing strategy.
ANALISIS KREATIVITAS GURU DAN GAYA BELAJAR SISWA DITINJAU DARI PEMAHAMAN KONSEP MATEMATIKA SISWA SMP Hadi Harianto; Andini Dwi Rachmawaty
MES: Journal of Mathematics Education and Science Vol 6, No 2 (2021): Edisi Mei
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v6i2.3438

Abstract

This study aims to analyze the creativity of teachers and students 'learning styles on students' understanding of mathematical concepts. Teacher creativity when managing the classroom greatly affects the development of students' mathematical conception. This type of research used in this research is qualitative research with qualitative descriptive methods. This research was conducted at SMP Muhammadiyah 9 Surabaya. Data collection techniques used in this study were tests and questionnaires. Data analysis performed in this study was data reduction, data presentation, and conclusion drawing. The validity of the data used was triangulation of data, namely by checking or comparing the data obtained from the concept comprehension ability test, learning readiness questionnaire based on learning styles. Based on the results of the study it can be concluded that the learning styles of class VII students of SMP Muhammadiyah 9 Surabaya are dominated by visual learning styles as many as 25 students, followed by 4 students with auditory learning styles and 1 student with kinesthetic learning styles.
PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK DENGAN MODEL PROBLEM BASED LEARNING BERBASIS HIGHER ORDER THINKING SKILLS Ulfa Khairunisa; Zainal Azis; Metrilitna Br Sembiring
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.v6i1.3133

Abstract

This study aims to develop a Student Worksheet based on Higher Order Thinking Skills (HOTS) by using the Problem Based Learning model on the Sine and Cosine Rule learning material for class X high school students. The quality of the Student Worksheet refers to the validity of the Learning Implementation Plan and the Student Worksheet. Research and Development (RD) research type is used in this study. In this case, the development of the research refers to ADDIE development model, there are only 3 stages that are limited to the development stage only applied in the research development of Student Worksheet based on HOTS. The subjects in this study were high school student Worksheet Assessment sheet to measure validity. Based on validation that has been conducted, it was obtained that student worksheet based on HOTS developed with a Problem Based Learning model have valid criteria; Student worksheet based HOTS on the Sine and Cosine Rules learning material which was developed using Problem Based Learning model declared to have valid criteria with an average score 4,1 with a very predicate.
IMPLEMENTASI PEMBELAJARAN BERBASIS KKNI DI ERA REVOLUSI INDUSTRI 4.0 PADA PROGRAM STUDI PENDIDIKAN MATEMATIKA UNIVERSITAS HKBP-NOMENSEN PEMATANGSIANTAR Christa Voni Roulina Sinaga; Lois Oinike Tambunan; Canni Loren Sianturi
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.v6i1.3146

Abstract

Frequent complaints about the gap between the number, quality and ability of graduates with the criteria needed by the world of work appear in the field and the still low Index of Technology Development, Information and Communication in Indonesia are two national problems that must be addressed carefully. In this regard, the Indonesian National Qualifications Framework (KKNI) policy is a solution that has been established by the government to improve the quality of Indonesia's human resources. In order to support the efforts to manifest Indonesian people who are superior and have global competitiveness, the researchers want to analyze the implementation of KKNI-based learning in the Industrial Revolution Era 4.0 in the Mathematics Education Study Program of HKBP Nommensen Pematangsiantar University (UHKBP-NP). It is hoped that this research can become a reference material for the government in reviewing and evaluating the effectiveness of the KKNI program so that different policies can be formulated according to the reality on the ground. This research problem will be revealed with a qualitative method approach because the things to be revealed are phenomenological. To collect all the required research data and information, the researcher will use three techniques, namely interviews; observation; and documentation. The data that has been collected will then be analyzed using focused observation techniques and interactive analysis techniques.
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.
PENGEMBANGAN BAHAN AJAR BERBASIS PEMBELAJARAN ONLINE UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA SMA KELAS X Nurmia Eliza; Afnaria Afnaria; Syahlan Syahlan
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.v7i1.4541

Abstract

The use of teaching materials in schools should pay attention to their impact on students' understanding and critical thinking skills. Teaching materials are one of the media that have the potential to improve students' critical thinking skills. Therefore, teaching materials must meet the requirements of validation, effectiveness, and practicality. For this reason, this study aims to develop online learning-based teaching materials to improve students' critical thinking skills. This research is a development research by applying the Thiagarajan development model and limiting it to define, design, and development. The instruments used are validation sheets, student response questionnaires, and critical thinking skills tests. The trial was conducted on class XMia-1 and XMia-2 students of SMA Budi Insani Medan, each of which amounted to 32 students. The results show that to develop valid, effective, and practical online learning-based teaching materials, it takes hard work to make revisions/improvements as well as criticisms, suggestions, or comments from validators and students.
IMPLEMENTASI MODEL DISCOVERY LEARNING DALAM UPAYA MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR SISWA Jafri Haryadi; Santi Pratiwi
MES: Journal of Mathematics Education and Science Vol 6, No 2 (2021): Edisi Mei
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v6i2.3730

Abstract

This study aims to determine the increase in active activity and student learning outcomes through discovery learning models in the physics learning process. This study applies a classroom action research model that is implemented to correct some weak aspects of previous learning through a process of reflection. The object of this research is the students of SMA Negeri 2 Perbaungan class X, amounting to 30 people. The results indicated that there had been a significant increase in student activity and learning completeness. In the first cycle, the percentage of student activity was 46.30% and the percentage of student learning completeness was 40%. As for the second cycle, it was found that the average student activity was 77.67% and the percentage of student learning completeness was 86.67%. This shows that the activities that have been carried out in each cycle II do not need to be corrected and declared successful.
ANALISIS MODEL LOG LINIER TIGA DIMENSI UNTUK DATA KUALITATIF DENGAN METODE FORWARD Siti Fatimah Sihotang; Zuhri Zuhri
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.v6i1.3137

Abstract

The three-dimensional linear log model is an equation in the form of a model in statistics that is used to describe whether there is a relationship between two or more variables and the pattern of their relationship at the same time to find out which cells cause dependencies. The number of variables discussed in this study was three variables. After the variables are investigated, the formation of a log-linear model becomes important because not all the model factor interactions that exist in the complete model are significant in the resulting model. This study aims to perform linear log modelling to obtain a suitable final model, using the Forward method for case examples of qualitative data. From the examples of cases that have been worked on, it is known that the Forward method is the best model building method because this method is used more as a process of adding one by one the interaction between factors in the model to evaluate the fit of a model. This will provide an alternative choice in determining the best model after going through the fittest for each model that is formed.
PENINGKATKAN HASIL BELAJAR PRODUKTIF BOGA MELALUI METODE DEMONSTRASI PADA SISWA KELAS X¬-2 JURUSAN TATA BOGA DI SMK NEGERI 10 MEDAN Nurpida Marlinang Limbong
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.v6i1.3145

Abstract

The purpose of this study was to improve student learning outcomes in Productive Catering learning and to encourage and train Productive Catering teachers at SMK Negeri 10 Medan. Through the demonstration method, it is hoped that it can solve the problems faced by teachers in the classroom related to student learning outcomes by using a systematic way of thinking. To achieve this goal, the researchers collaborated with Productive Catering teachers by conducting classroom action research. This research was conducted in class X-2, Catering Department at SMK Negeri 10 Medan. The classroom action research steps begin with initial dialogue, planning learning actions, implementing actions, observing, reflecting and evaluating. The research was conducted in three cycles, each cycle consisting of two meetings. The results showed that there was an increase in student learning outcomes which means in learning Productive Catering. At the beginning of the research, the students who completed the study were 25% after the research in the first cycle, the students' learning completeness was 31.25% and 50%. In Cycle II, the students' learning completeness was 56.25% and 62.5%, and in the third cycle, the percentage of student learning completeness had met the criteria of 81.25% and 84.375%.
PENINGKATKAN HASIL BELAJAR PRODUKTIF TATA BUSANA (DASAR POLA) MELALUI PENERAPAN PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAM ACHIEVEMENT DIVISION PADA SISWA KELAS X-1 JURUSAN TATA BUSANA SMK NEGERI 10 MEDAN Erlina Rangkuti
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.v6i1.3127

Abstract

Penelitian tindakan kelas ini dilakukan di kelas X-1 Jurusan Tata Busana SMKN 10 Medan tahun pelajaran 2018-2019 didasarkan atas pengamatan rendahnya hasil belajar produktif tata busana (dasar pola) siswa. Penelitian ini bertujuan untuk meningkatkan hasil belajar siswa. Penelitian dilakukan dalam tiga siklus yang terdiri dari perencanaan, tindakan, pengamatan, dan refleksi dalam setiap siklusnya. Tindakan yang dilakukan menerapkan model pembelajaran kooperatif tipe Student Team Achievement Division. Instrumen yang digunakan adalah berupa lembar pengamatan aktivitas belajar siswa, instrumen penilaian rencana pelaksanaan pembelajaran dan instrumen pengamatan aktivitas guru, serta nilai hasil evaluasi setiap selesai pertemuan. Nilai data yang diperoleh menjadi bahan refleksi untuk dilakukan di siklus berikutnya. Ketika dilakukan refleksi awal hasil belajar siswa sekitar 57,75 (sangat kurang). Pada siklus Irata-rata hasil belajar siswa 74,3 (cukup), pada siklus II  80,0 (cukup), dan pada siklus III menjadi 83,1 (tinggi) sehingga disimpulkan bahwa penerapkan model pembelajaran kooperatif tipe Student Team Achievement Division dapat meningkatkan hasil belajar produktif tata busana (dasar pola) di kelas X-1 jurusan Tata Busana SMKN 10 Medan

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