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M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Wiralodra
ISSN : 25025872     EISSN : 26223627     DOI : -
Core Subject : Education,
Education Mathematics
Mathline is published by Mathematics Education Department of Wiralodra University. Mathline publishes the research issues on mathematics, mathematics education, and could be experiment, research and development, or classroom action research. This Journal are bi-annual publication, on February and August.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 452 Documents
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Development of Android-Based Mathematics Learning Media on Three Dimensional Subject Materials Hawu, Alfa Teni; Nggaba, Mayun Erawati; Randjawali, Erwin
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.349

Abstract

This study aims to develop learning media products in the form of an android application called Geometry Learning to help students understand the concept of three dimensions. This research is included in the Research and Development (R&D) type using the ADDIE research development model (Analysis, Design, Development, Implementation, and Evaluation). The development of this research is based on several assessments of the developed Android-based learning media. The assessment results given by material experts have an average percentage of 87% (very feasible), and the assessment given by media experts has an average percentage of 91% (very feasible). In addition, the students were also assessed with an average percentage of 96.6% (very decent), and the average percentage of the teacher's assessment was 81% (very decent). Thus, the application of learning media in the form of an android application is feasible to be used in the learning process.
Application of Contextual Problems to Help Students Mathematic Understanding Ability in Science and Social Class Grades XI Anin, Fendy Reza; Dirgantoro, Kurnia Putri Sepdikasari
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.376

Abstract

Learning mathematics aims to instill the ability to understand mathematics. This ability is important because it trains students to think deductively and realize the relationship between mathematical concepts in real life. Field facts prove that XI IPA IPS students from a private high school in the Lampung area have difficulty working on contextual questions as a result of their low ability to understand mathematics. The purpose of this research is to analyze the implementation of contextual questions in helping students' mathematical understanding abilities. The subjects in this study were 21 students of class XI IPA IPS at a private school in Lampung. The research method used is descriptive qualitative and data collection through written tests and interviews. The results of the study show that contextual questions can help students' mathematical understanding abilities. Through the results of this study, it is suggested that schools provide training in making contextual questions, teachers need to use contextual questions in learning, and further researchers expand the variables reviewed.
Ant Colony Optimization Algorithm for Traveling Salesman Problem in Distributing Fertilizer Hazizah, Salsabillah; Lubis, Riri Syafitri; Cipta, Hendra
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.388

Abstract

Fertilization sometimes takes a long time due to the selection of mileage traveled in fertilizer distribution and coupled with the condition of  plantation roads that are partially damaged. The path taken is usually only a path that is memorized and is considered the shortest and optimal. The journey from one location to another by considering the shortest path is included in the problem of graph theory. To determine the shortest path to be traversed, you can use the Ant Colony algorithm, because it is optimal in determining short distances and can measure the minimum accumulated travel time close to optimal. This is a Traveling Salesman Problem (TSP) problem, which is visiting all location points starting from the starting point and ending at the starting point again. This research was conducted on oil palm plantations of PT. Socfindo Bangun Bandar in fertilizer distribution. The sample used is 6 location points which are then solved using the Ant Colony algorithm where this algorithm adopts the workings of ants to get the shortest route. The use of the Ant Colony algorithm in this case is limited to one cycle or one iteration (NC=1) so that the best route is obtained while the first cycle is the fertilizer warehouse (V1) to block 55 (V4) then block 63 (V6) to block 61 (V5) then block 51 (V2) to block 52 (V3) and back again to the fertilizer warehouse (V1), and from this route can be modified again to the opposite route with a distance of 15.71 km. Because the resulting distance is shorter than the usual route, this can speed up the time used by trucks to distribute fertilizer so that trucks can be used by workers to transport harvested palm fruit.
The Effect of Problem Based Instruction Model Using Telegram Quiz Bot on Students’ Learning Motivation Nasution, Eline Yanty Putri; Putri Yulia
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.391

Abstract

This research is a quantitative research with the quasi experimental research type. The population in this study were all Semester V students of the Mathematics Education Department (TMTK) IAIN Kerinci and the samples were 30 students of VA class through purposive sampling technique. Data collection techniques used in this study were observation sheets and questionnaires. The purpose of this study was to find out how the application of the Problem Based Instruction (PBI) learning model using Telegram Quiz Bot, to find out how the students’ mathematics learning motivation, and to find out how the relationship between the PBI learning model using the Telegram Quiz Bot and the students’ mathematics learning motivation. The findings show that the use of the PBI learning model using Telegram Quiz Bot in the VA class obtained an average value of 3.1 which is included in the "Good" category. The mathematics learning motivation before applying the PBI learning model using Telegram Quiz Bot has an average value of 57.30 so that it is included in the "less good" category and the results for the average value of the mathematics learning motivation after applying the PBI learning model using Telegram Quiz Bot is 81.33 in the "very good" category. There is a significant effect between the application of the PBI learning model using Telegram Quiz Bot and students' mathematics learning motivation in the VA class of 0.607 which is included in the "strong" category.
The Effect of Self-Confidence and Independence of Learning on Students' Mathematics Learning Outcomes Murnaka, Nerru Pranuta; Kiat, Selvi; Rahman, Bobbi; Indira, Elizabeth Wahyu Margareth; Siminto, Siminto
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.392

Abstract

Self-confidence and learning independence are internal factors that influence student learning outcomes. Because both of them demand students in total to be able to take responsibility for students related to the learning process. This study aims to investigate whether there is a significant effect of self-confidence and learning independence on students' mathematics learning outcomes. This research is a quantitative research with a correlational design type. The population in this study were all students of class VII MTs Negeri 5 Tangerang with a sample of 132 students and the sample technique used was simple random. The instruments used in this study were questionnaires and math learning outcomes test questions. Questionnaires are used to measure self-confidence and student learning independence. While the test is used to measure students' mathematics learning outcomes. Based on the results of the self-confidence regression test on student learning outcomes, the sig. 0.026 <0.05, meaning that there is a significant influence between self-confidence and student learning outcomes. Then for the results of the independent learning regression test on student learning outcomes, the sig value was obtained. 0.672 > 0.05, which means that there is no significant effect of independent learning on student learning outcomes. While the results of the regression test of self-confidence and learning independence on student learning outcomes, the sig. 0.084, which means that there is no significant effect of self-confidence and learning independence on students' mathematics learning outcomes.
Improving Mathematics Learning Outcomes Using The Mind Mapping Method for Students of SMPN 8 Denpasar Widana, I Wayan; Umam, Eka Koirul
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.397

Abstract

This study is a classroom action research that aims to improve mathematics learning outcomes. The research was conducted at SMPN 8 Denpasar, which is located on Jl. Meduri No. 2, Sumerta Village, East Denpasar District, Denpasar City, Bali. The research subjects were 40 class VIII-A students of SMPN 8 Denpasar semester 2 of the 2022/2023 academic year. The object of research is the mathematics learning outcames. Data on learning outcomes were collected using tests, and analyzed descriptively qualitatively. Criteria for the success of the research: (a) the average value of class is at least to classical completeness criteria of 70 and (b) classical completeness of at least 85%. The results showed that in the first cycle the average value of class was 73.70 with classical completeness 52.50%; in cycle II the average value of class was 81.30 with classical completeness of 87.50%. Thus, it can be concluded that the Mind Mapping method is able to improve the mathematics learning outcomes of class VIII-A students of SMPN 8 Denpasar semester 2 of the 2022/2023 academic year in 2 cycles.
Refractive Thinking in Solving Mathematical Problems in Indonesia: A Systematic Literature Review Septian, Teddy; Juandi, Dadang
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.398

Abstract

Refractive thinking is a thinking process that produces decisions through critical and reflective thinking. Refractive thinking focuses on critical thinking and problem-solving abilities. Both of these abilities are essential abilities in the 21st century that are needed by students. Research on refractive thinking in solving math problems has started to become a concern in the last 10 years. This study aims to describe the results of studies related to refractive thinking in solving math problems in Indonesia. This study used a Systematic Literature Review (SLR) method with a quantitative approach, involving 17 published studies as a sample which were filtered through inclusion criteria. This study took the stages of data collection, data analysis, and conclusions drawing. The results show that the research on refractive thinking in solving mathematical problems in Indonesia has been viewed from several aspects, most of these research show that students meet the indicators of refractive thinking on the component of identifying problems, and some of them show that students have not met the indicators on the strategy and evaluation components, and the use of Peer-Assisted Reflection learning models can improve mathematical refractive thinking abilities. Many of these studies involved junior high school students as participants because mathematical abilities begin to be honed at that level. In addition, the type of research most widely used is qualitative because this approach provides an in-depth understanding of refractive thinking in solving mathematical problems.
Analysis of Student Error in Solving Number Theory Problems in View of Cognitive Style Nur'aini Muhassanah
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.277

Abstract

This research is a qualitative research using a descriptive approach. The purpose of this study was to describe the errors of mathematics students in working on number theory questions in terms of cognitive style. The subjects of this study were 3rd semester students of the Mathematics Study Program, Faculty of Science and Technology, Nahdlatul Ulama University, Purwokerto, with 3 students representing the Field Dependent (FD) group, 3 students entering the Field Intermediate (FDI) group, and 3 students representing the Field Independent (FI) group. Data related to student errors in working on number theory questions were obtained from diagnostic tests and interviews. While the cognitive style data obtained from the results of the Group Embedded Figure (GEFT) test. Subjects were taken by purposive sampling technique and data validation using triangulation method. The data analysis technique used data reduction, data presentation, and drawing conclusions. The results of this study for students in the FD category made a lot of procedural errors as much as 48.1%, for students in the FDI category many made conceptual errors as much as 33.3%, and students in the FI category made a lot of mistakes. technical errors as much as 25.9%. Furthermore, of the three categories of students according to cognitive style, the FD category made the most mistakes for all forms of conceptual, procedural, and technical errors. The most common form of error from all students studied was conceptual error as much as 44.4%. Many factors cause students to make mistakes in solving number theory questions, the most frequent mistakes are: 1) Students do not master and understand the concepts, theorems and definitions in number theory courses; 2) Students are not careful in calculations which causes the final result to be wrong; and 3) Students do not understand the problem in the problem so that it is difficult to solve.
Comparison of Student Learning Outcomes Using Class Action Research To Improve Mathematics Problem Solving Ability Hutajulu, Masta; Sofiah, Andita Aulia; Rustella, Friska; Syahpitri, Dita; Putri, Adisha Savira Rudiana; Harianti, Ayu
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.374

Abstract

This study aims to determine the comparison of student learning outcomes using a scientific approach and learning model Problem Based Learning. This type of research uses the Classroom Action Research (CAR) method or can be referred to as (Classroom action research) and mix methods (Quantitative and Qualitative). The subject of this study was located at SMP Negeri 3 Cimahi in class VIII-I with a total of 34 students. Data collection techniques with pre-test and post-test. The results showed that there were differences in mathematical problem solving abilities between students who used a scientific approach and students who used the Problem Based Learning learning model. The results showed that the application of the Problem Based Learning model could improve students' mathematical problem solving abilities from cycle I to cycle 2 by 10%. The results of the research show that the Problem Based Learning (PBL) model can improve problem solving abilities in the material on the System of Two Variable Linear Equations (SPLDV). This research can be concluded that the ability to solve problems in SPLDV material can be increased by applying the problem based learning model.
Mathematical Representation Ability in View of Self-Efficacy: Systematic Literature Review Lutfi, Jasmine Salsabila; Dasari, Dadan
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.400

Abstract

One of the psychological aspects of students that encourages students' mathematical representation abilities is self-efficacy. This article is a Systematic Literature Review (SLR) of 22 research published until October 2022 with the help of the Publish or Perish (PoP) application with the Scopus, and Google Scholar databases. SLR can be useful for finding research gaps from previous research. This article aims to; (1) investigate the period, index, research approach, subject matter, and subject demographics heterogeneity from 22 inclusion articles, (2) description of mathematical representation abilities in terms of self-efficacy, and (3) learning methods/approaches/strategies that can enhance self-efficacy, as well as the ability of mathematical representation. The results of the SLR research show that students with low self-efficacy have limitations in mathematical representations such as the majority involving a single representation, difficulty understanding the meaning of the questions, and lack understanding of material concepts. The ability of students' mathematical representation with moderate levels of self-efficacy experienced several problems such as difficult to solve problems, less accurate calculations, and dominantly showed moderate mathematical representation abilities. Meanwhile, students with dominant high self-efficacy also show high mathematical representation abilities. For future researchers, it is recommended to conduct research on this topic at the elementary school level, research locations outside Java Island, as well as trigonometry material.

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