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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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Modeling The Impact Analysis of The Covid-19 Pandemic On The Tourism Sector In Palopo City With A Nonparametric Regression Approach Denysia, Denysia; Hidayat, Rahmat
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 4 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i4.499

Abstract

The implementation of social distancing causes a huge effect on the life sector in Indonesia, one of which is the tourism sector which has experienced the greatest impact due to this policy. One of the treatments that can be done is to find out the factors that are thought to have an influence on the increase in the tourism sector in Palopo city, many methods can be done, one of which is the regression analysis method. This study uses Spline non-parametric regression in modeling the data. The non-parametric regression model was chosen based on results of the identification that the data does not follow a certain distribution pattern. Gross regional domestic product data is used in the model. This can be seen from the resulting  value of 76.94%. Gross Regional Domestic Product data is also modeled using multiple linear regression. This modeling is intended as a comparison model. The results show that the use of the non-parametric Spline better model in modeling the data compared to multiple linear regression.
Application of Peer Method Tutoring in Cultivating Sense of Belonging Junior High School Students to Online Learning Butar-Butar, Clara Irmawati; Listiani, Tanti
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 4 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i4.508

Abstract

  A sense of belonging is a very important feeling for students to build relationships in the classroom community through face-to-face and online learning. The fact that the teacher found during the teaching practice of grade VII junior high school students in online learning, the teacher found a lack of belonging to their class community. Following up on these problems, the teacher facilitates students by applying the peer tutoring method that allows students to get support from teachers and peers so that it has the potential to foster a sense of belonging to students. The purpose of writing is to describe the application of the peer tutor method as an effort to foster a sense of belonging to students, especially in class VII junior high school students. The method used is descriptive qualitative. This research was conducted in SKK Erenos where a total of 52 students became respondents. Writing concludes that the application of the peer tutoring method is carried out by combining synchronous and asynchronous learning to help students foster a sense of belonging in online learning even though they have not achieved maximum results. Teachers need a correct and reflective heart response to face various challenges in the world of education. Teachers cannot change students' personalities but can become facilitators to create class communities that love one another. The advice to the teacher is to continue the implementation of the peer tutoring method consistently for a long time to foster a sense of belonging to students in online learning.
Application of Monopoly Game Media In Learning Mathematical Counting Operations Grade 3 MIM Talang Mahendra, Fiqih Jaya; Sukartono, Sukartono
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 4 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i4.511

Abstract

This study aims to describe how the application of monopoly game media in mathematical arithmetic operations learning in class III MIM Talang. This type of research is descriptive qualitative research. The research subjects were III grade students. Data collection techniques using interviews, observation, and documentation. The validity of the data using the method triangulation technique. After the collected data were analyzed using Miles and Huberman interactive analysis techniques. The results showed that planning mathematics learning by applying monopoly game media was carried out by preparing a lesson plan, monopoly game materials, and designing a series of monopoly game activities. The application of this monopoly game media received a positive response from students. Supporting factors for the application of monopoly game media to mathematical arithmetic operations include: the basic materials for making monopoly are easy to obtain and inexpensive, students actively participate, there is support from the school, and students feel like they are playing while learning. While the inhibiting factors include: class conditions that are not conducive because there are some students who are busy alone, students have difficulty answering the questions on the monopoly card, and time constraints. Solutions to overcoming these obstacles include: the teacher needs to recognize student characteristics, the teacher does ice breaking, students ask the teacher about difficulties answering questions, choose questions that are more focused and relevant to fit the existing time limit, and the teacher holds class sessions to help students who need understanding of the material.
Influence Self-Efficacy on The Mathematical Communication Ability of Students in Material Linear Equation Systems A'yuni, Qurrota; Faridah, Siti; Irawan, Wahyu Henky; Mukti, Taufiq Satria
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i2.512

Abstract

Self-Efficacy is one of the factors that can affect students' mathematical communication ability. Focus Self-Efficacy in this study, namely students' self-confidence in mathematical communication ability in written mathematics, especially material systems of linear equations. The purpose of this study is to determine the effect Self-Efficacy on the mathematical communication ability of class X MAN 2 Malang. This research approach uses a quantitative causal comparative method. The sample in this study amounted to 32 students obtained from the sampling technique simple random sampling. Obtaining data in this study is in the form of related questionnaire results Self-Efficacy consisting of 25 statement items and 4 descriptive test items to measure students' mathematical communication ability. The results of this study indicate that students' mathematical communication ability are influenced by Self-Efficacy 81.7% which is categorized as very strong and the remaining 18.3% is influenced by other factors. Thus, it can be stated that Self-Efficacy has a significant effect on the mathematical communication ability of class X MAN 2 Malang students in the material of systems of linear equations. Therefore, teachers must continue to encourage increasing student Self-Efficacy. Because with high Self-Efficacy, students' mathematical communication abilities will also be high, so that student learning outcomes will also increase.
Development of Live Liveworksheets-Assisted Teaching Materials Using A Problem-Based Learning Model On Student's Learning Outcomes Widianti, Devi; Sopyan, Asep; Rahman, Andi; Hidayat, Wahyu
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i2.513

Abstract

Interactive learning can be one solution to attract students' interest in participating in learning activities and help to answer the problem of students' low understanding of mathematics. Liveworksheet is a platform that can be used in the educational sector. This research aims to produce teaching materials that are valid, practical and have the potential to influence improving student learning outcomes. The research method used is the design research model development studies method which aims to develop a product. The subjects of this research were 42 class X students of a private vocational school in the city of Cimahi. The liveworksheets-assisted teaching materials developed are adapted to the steps of the problem-based learning model. First, students are introduced to a contextual problem and then guided through questions that allow students to conclude the results of their analysis. The teaching materials developed have gone through a validation stage from material experts, meaning that the teaching materials are in accordance with the material to be taught. The research results showed that the teaching materials developed were proven valid based on the assessment results of two material expert validators and were proven practical from the results of one-on-one and small-group tests. Data analysis used in this research uses inferential statistics with the type of processing of two dependent samples. The teaching materials developed have been proven to be able to improve students' mathematics learning outcomes when viewed from the Minimum Completeness Criteria.
Development of Problem-Based Learning-Based Independent Curriculum LKPD to Improve Students' HOTS Asmana, Arezqi Tunggal; Rohim, Abdur; Aini, Khafidhoh Nurul; Winata, Vina Pandu
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 4 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i4.514

Abstract

This research is a development research that aims to develop Problem Based Learning Independent Curriculum Worksheets (LKPD) on Trigonometry material that are valid, practical, and effective to improve students' Higher Order Thinking Skills (HOTS). The LKPD developed is part of the teaching module of the Independent Curriculum. This study uses the 4D development model, which consists of the Defining, Designing, Developing, and Deployment stages. However, the Deployment stage is not carried out. The trial was carried out on Class X students of SMA Negeri 1 Sekaran, Lamongan City. The analysis techniques used in this study were grouped into three, namely analysis of LKPD validity data, analysis of LKPD practicality data, and analysis of LKPD effectiveness data. The results showed that the LKPD Independent Curriculum based on Problem Based Learning on Trigonometry material that was developed met the valid, practical, and effective categories to improve students' HOTS. Validity is shown by the average percentage of LKPD validation results is 91%. Practicality is indicated by (1) the average percentage of LKPD implementation is 92%, (2) the percentage of teacher responses is 94%, and (3) the percentage of student responses is 88%. Effectiveness is shown by (1) the average percentage of student activity is 87% and (2) the HOTS increase of students from written assessments is 96%.
The Obstacles of Students and Teachers in Implementing The 2013 Revised Curriculum in Mathematics Learning: A Phenomenology Study Ilmi, Sekar Ananda Nata Tiara; Ismunandar, Denni; Sudirman, Sudirman
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i2.522

Abstract

This research aims to examine and describe the obstacles faced by students in implementing the 2013 revised curriculum in 2018 in mathematics learning, as well as to examine and describe the obstacles faced by teachers in implementing the 2013 revised curriculum in 2018 in mathematics learning. The research instruments used in this study include data collection methods such as observation, in-depth interviews, and documentation. During the observation process, the researcher observes students and teachers during mathematics learning activities, while in-depth interviews are conducted to obtain interview results that will be analyzed using the ATLAS.ti 8 application, and documentation is carried out to capture images such as photos or videos during the observation and interview processes. Obstacles faced by students in implementing the 2013 revised curriculum in 2018 in mathematics learning include: students feeling less focused and concentrated during mathematics learning; students experiencing difficulties in understanding material, calculating, and memorizing mathematical formulas; incomplete and undetailed textbook content; the use of language in textbooks being too advanced; students often feeling sleepy during mathematics learning; students' mood affecting their learning activities; teachers not delivering the material in detail, too quickly, or too elaborately; classrooms being noisy; and inadequate facilities and infrastructure. Meanwhile, obstacles faced by teachers in implementing the 2013 revised curriculum in 2018 in mathematics learning include: language used by teachers being difficult for students to understand; low basic skills of students; students having different characteristics; students having low motivation and varying abilities.
Efforts to Overcome Student Difficulties in Function Continuity Material Through The Use Of Structured Worksheets Purbaningrum, Kus Andini; Sukmawati, Rika
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 4 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i4.524

Abstract

This study aims to overcome students' difficulties in understanding the material continuity of functions through the use of structured worksheets in differential calculus courses. The research subjects were second semester students of the Mathematics Education Study Program, Faculty of Teacher Training and Education (FKIP), University of Muhammadiyah Tangerang (UMT). This type of research is Classroom Action Research which is carried out in two cycles where each cycle consists of two meetings. Continuity of Function material consists of several parts, namely set intervals of numbers, limits of functions and graphs, function continuity tests. The data obtained in this study are the activities and abilities of students in understanding the material. Student activity data was obtained by observing while student abilities were obtained by using a student understanding ability test. Furthermore, the data collected in this study were analyzed by descriptive analysis. Results analysis was carried out in each cycle to determine the success of using structured worksheets in overcoming student difficulties. The percentage of students who experience difficulties in cycle 2 is 26.92%. This figure is in a weak qualification with a range of 20% - 40% of the number of students, thus indicating success in this classroom action research. Thus the use of structured worksheets can overcome students' difficulties in understanding the continuity of functions material.
Enhancing Orchid Inventory Management with K-Means Clustering: A Case Study in Sales Optimization Ramadhani, Dwi; Setiawan, Tabah Heri; Basir, Choirul; Sari, Dewi Purnama
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i1.529

Abstract

In the ornamental industry, particularly in orchid sales, manual inventory management has presented significant challenges. These challenges include excessive stock accumulation, financial pressure due to overstocks, and limited land resources to store overstocks. Utilizing information technology, data mining, specifically the K-Means Clustering algorithm, emerges as a solution. This research aims to optimize orchid inventory management by grouping products into three clusters: "highly sellable," "sellable," and "less sellable." Historical sales data was used as the main dataset, considering parameters such as sales volume, demand patterns, and seasonality. The K-Means Clustering algorithm categorized the orchid products, with 97 products in the "highly sellable" cluster, 68 products in the "sellable" cluster, and 22 products in the "less sellable" cluster. This analysis offers insights. Orchids that are "highly marketable" require higher stock levels to meet demand. "Sellable" varieties require standard stock levels, while "less sellable" types should maintain lower stock levels to avoid overstocking. In conclusion, using k-means clustering for orchid inventory management can optimize sales strategies. Orchids in high demand receive adequate stock, ensuring customer satisfaction. Effective stock allocation improves financial stability by overcoming the problem of overstock in the ornamental industry.
Ethnomathematic Exploration In The Art of Malangan Mask Puppetry Anggraini, Erni; Toyyibah, Rifqoh; Marhayati, Marhayati
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i1.531

Abstract

Malang Regency's mask art is a typical East Javanese tradition that is rich in cultural and artistic dignity. However, its existence is currently increasingly threatened due to minimal attention from the public and lack of research on mask art. This research aims to explore the material assemblages and relationships in Malang Regency mask art because it can provide new insights into how mathematics can be integrated into local culture. In addition, research contributions help to preserve mask art and increase public awareness of Javanese cultural values and philosophy in wayang masks. The method used in qualitative research is ethnographic type. The key instrument consists of two resource persons consisting of 1 resource person as a studio owner and performer of the art of masked wayang and 1 resource person as a mask craftsman. Data collection techniques through interviews, observations and documents. The discussion stage resulted in an exploration of the concept of sets and relationships that can be found from the characteristics of wayang mask art. Thus, research exploring ethnomathematics concepts in Malang Regency mask art can enrich mathematical knowledge applied in the local cultural context.

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