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Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika
Published by Universitas Mercu Buana Yogyakarta
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education Mathematics
The aim of this journal is to publish high quality research in mathematics education including teaching and learning, instruction, curriculum development, learning environments, teacher education, educational technology, educational developments, from many kinds of research such as survey, research and development, experimental research, classroom action research, etc.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 8 No 1 (2023)" : 7 Documents clear
Pengembangan Lembar Kerja Peserta Didik berbasis pendekatan open ended dengan konteks kearifan lokal Kharisma, Intan; Hartatiana , Hartatiana; Wardani, Ambarsari Kusuma
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.3564

Abstract

The ability that receives considerable attention from the field of education is the ability to think creatively. This research aims to produce teaching materials in the form of worksheets for mathematics students based on an open ended approach with a valid and practical local wisdom context. The research method used is the development research method which has 2 stages, namely using the formative evaluation model from Tessmer (1998). The first stage is the preliminary stage (preparation and design stage) and the second stage is the formative evaluation stage (self evaluation, expert review, one-to-one, small group, and field test). The sample in the study was 23 students in grade VIII. Data collection was carried out using validation sheets, questionnaires, interviews, and documentation. The results of the research are in the form of worksheets for mathematics students based on the open ended approach with a valid local wisdom context based on the comments and suggestions provided by the validator and declared valid by the expert team at the expert review stage and produce a mathematical LKPD based on an open ended approach with a practical local wisdom context according to the calculation of the student response questionnaire in the one-to-one phase, small group, and field test. The results of validation by experts showed a validity rate of 85.9, while the practicality level of the trial reached 82.2.
ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI HASIL BELAJAR SISWA : STUDI KASUS HASIL PENILAIAN TENGAH SEMESTER MATEMATIKA Yanti, Aning Wida; Irwanto, Mokhamad Zazuli; Rofikha, Deva Anggia; Kautsar, Amsal; Septiane, Sinta Miftakul Husna; Mas’ullah, siti
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.3602

Abstract

Student learning outcomes are a key indicator for measuring educational achievement. The level of academic performance reflects the extent to which students have successfully achieved their educational goals. The purpose of this study is to identify the factors that influence students’ academic achievement. The research was conducted at SMAN 1 Taman Sidoarjo, specifically involving students from class X E 3. The research method used was descriptive qualitative. Qualitative data were obtained from interviews and students' midterm exam (PTS) results. Data collection was carried out in three stages: observation, interviews, and documentation. The findings of this study reveal that the learning outcomes of students at SMAN 1 Taman were not met due to two main factors. These two primary factors influencing academic performance are internal and external factors. The internal factor that affected students’ academic achievement was time management. The external factors included ineffective teaching methods, last-minute distribution of study guides, limited time for completing exams, inconsistency between the study guide and the exam questions, and a new exam application system for grade X students, which caused various difficulties.
ANALISIS FAKTOR PENYEBAB KESULITAN BELAJAR MATEMATIKA SISWA KELAS IV DI SEKOLAH DASAR NEGERI SONOSEWU astuti, linda dwi; Septina , Allya Zulfa; Rivandy , Ray; Danuri , Danuri
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.3921

Abstract

Mathematics has an important role in various disciplines in developing human thinking, by studying mathematics, students are more critical in understanding problems in daily life. This research aims to analyze the factors that cause mathematics learning difficulties experienced by class IV students at SDN Sonosewu. This research method uses a qualitative approach with a case study design. The subjects of this research were class teachers and class IV students who were identified as having difficulties learning mathematics. Data collection techniques in this research are observation, interviews, documentation and field notes. The data analysis techniques used in this research are data reduction, data presentation, and drawing conclusions/verification. The results of the research show that 1) The difficulties in learning mathematics experienced by class IV students at SDN Sonosewu are difficulty understanding the concept of fractions, difficulty in calculating multiplication and division skills, and difficulty solving questions in the form of story problems. 2) Factors that cause difficulties in learning mathematics consist of internal factors and external factors. Internal factors that cause learning difficulties are sensory abilities, students' interest in mathematics lessons is still low, learning attitudes are still low, students' motivation and habits in learning mathematics are also low. Meanwhile, external factors that cause learning difficulties are the teacher's less attractive teaching methods, the teacher's relationship with students, and the lack of learning facilities.
Penghitungan Jumlah Pinjaman pada Saat Koperasi Tidak Menghasilkan Keuntungan dengan Metode Persamaan Non-Linier Menggunakan Secant dan Implementasinya dengan MATLAB : Penghitungan Jumlah Pinjaman pada Saat Koperasi Tidak Menghasilkan Keuntungan dengan Metode Persamaan Non-Linier Menggunakan Secant dan Implementasinya dengan MATLAB abdul, Abdul
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.4020

Abstract

The profitability of cooperatives significantly impacts the amount of loans they possess. Therefore, it is crucial to calculate the minimum loan amount to maintain cooperative profitability. This study applies the iterative method of nonlinear equations using the Secant method, suitable for cases near the peak of graphs that cannot be computed using the Newton- Raphson method. The research sets a predefined iteration limit to control the number of iterations, enhancing overall calculation efficiency. The Secant method is implemented using MATLAB software, enabling precise analysis and evaluation of cooperative financial conditions. The research aims to provide practical guidance in cooperative financial management, focusing on maintaining profitability and loan growth. Thus, the study contributes not only theoretically to the field of nonlinear equations but also practically to cooperative management. Through this approach, the study seeks to deepen understanding of how cooperatives can utilize numerical methods to optimize their loan policies, avoid losses, and sustain financial viability. The findings serve as a foundation for researchers and practitioners to develop more  effective strategies in cooperative management, strengthening their role in supporting the local economy and empowering members sustainable.
Development of qr code-assisted learning materials to improve students' numbers' abilities on spldv material in class x of ma nurul huda bercak asri cerme bondowoso: pengembangan bahan ajar siti nur arifah, arifah; Hasanah, Nur; Ambarsari, Ida Fitriana
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.4270

Abstract

This research aims to develop QR Code-assisted teaching materials to enhance students numeracy skills in the SPLDV (System of Linear Equations with Two Variables) topic for Class X students at MA Nurul Huda Bercak Asri Cerme Bondowoso. The research is an R & D (Research and Development) research or commonly known as development research, where development research is a different research from other research, because in this research we are required to develop a product that already exists so that it is suitable for use now or even in the future. The R & D research method used in this study uses the four-D or 4D model, namely: Define, Design, Develop, Disseminate. The teaching materials or modules developed in this study have been equipped with several videos that explain the material or examples of questions. In addition, the learning devices that have been developed have gone through validation tests, practicality tests and effectiveness tests. In this study, researchers used several samples of class X MA Nurul Huda Bercak Asri Cerme Bondowoso students, namely 10 people to carry out validation tests, practicality tests and effectiveness tests of learning devices. The results of the data analysis of QR code-based learning devices have met the criteria for quality and feasibility of developing learning devices that have been set, namely meeting the validity criteria with a result of 93.3%, effectiveness with a result of 86% and practicality with a result of 80%.
Analysis of student errors in solving statistics questions visited from learning style Nabilah, Naurah Nadiatun; Triyana , Illah Winiati
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.4408

Abstract

Accompanied by advances in modern data analysis technology, the abundance of social data in the industrial revolution 4.0 motivates educators to incorporate statistical principles into classroom learning. Questions covering statistical material are still difficult for students to solve, according to previous research. This research aims to determine the types of errors made by students in solving statistics problems based on learning styles (visual, auditory and kinesthetic). Ninth grade students at SMP Darussalam Tegal Joyo participated in this research, which used a qualitative descriptive methodology. The results of this research show that 1. visual learners make conceptual and procedural errors in this case they do not understand the concept of combined average, so the formula they use when solving problems is not precise and the way to calculate the median class does not use cumulative frequency. 2. Auditory learners make conceptual and procedural errors, they misunderstand the concept of compound average and also fail to use cumulative frequency to obtain median class. 3. Kinesthetic participants made a procedural error by not using cumulative frequency to get the median class.
Development of interactive virtual-based learning media using the rme approach on mathematics learning outcomes astuti, puput yuli; Nuryadi
Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Vol 8 No 1 (2023)
Publisher : Universitas Mercu Buana Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26486/jm.v8i1.4521

Abstract

The research aims to generate the interactive virtual-based learning media through RME. In addition, the research aims to identify the result level of the interactive learning media. The quality criteria used based on the Nieveen criteria, which are valid, practice and effective. The type of this research is based on Borg & Gall's simply model which suitable with the research needs. The analysis data was the validity of learning media which obtained from material experts and media experts, the practically of media learning which obtained from the students 'assessment, and the effectiveness which obtained from the results of students' learning test. The results shows that the developed multimedia in learning mathematics is valid, practical and effective.

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