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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 20 Documents
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Search results for , issue "Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika" : 20 Documents clear
Influence Self-Efficacy on The Mathematical Communication Ability of Students in Material Linear Equation Systems Qurrota A'yuni; Siti Faridah; Wahyu Henky Irawan; Taufiq Satria Mukti
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 Devi Widianti; Asep Sopyan; Andi Rahman; Wahyu Hidayat
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.
The Obstacles of Students and Teachers in Implementing The 2013 Revised Curriculum in Mathematics Learning: A Phenomenology Study Sekar Ananda Nata Tiara Ilmi; Denni Ismunandar; 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.
Computational Thinking Skills in Understanding The Limit of Algebraic Functions Lisa Lisa; Hasratuddin Hasratuddin; Bornok Sinaga; E. Elvis Napitupulu; Asmin Panjaitan
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.v9i2.549

Abstract

The purpose of this study was to determine the evaluation of computational thinking ability in understanding the limits of algebraic functions for students majoring in Tadris mathematics at Lhokseumawe State Islamic Institute. The research subjects were 1st semester students, totaling 6 students. Data collection techniques in this study used computational thinking ability tests and interviews, and then the data were analyzed based on computational thinking indicators, namely decomposition, pattern recognition, algorithm thinking, generalization, and abstraction. The results obtained from high computational thinking ability indicators that can be completed perfectly are decomposition, pattern recognition, algorithm thinking, and generalization/abtraction. With moderate computational thinking ability, students have been able to solve problems perfectly for indicators of decomposition and pattern recognition, but for indicators of thinking algorithms and generalizations or abstractions, they are still less precise. Low computational thinking ability has been able to measure decomposition indicators, but for pattern recognition indicators, thinking algorithms are still less precise in solving, while generalization and abstraction indicators do not answer.
Collaborative Online Learning Design Through Lesson Study Activities for Mathematics Prospective Teacher Muhamad Galang Isnawan; Farah Heniati Santosa; Luthfiyati Nurafifah; Farid Gunadi; Diki Mulyana
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.v9i2.566

Abstract

The aim of the research was to develop a collaborative online learning design for integral calculus courses through lesson study activities. The study employed didactical design research as the research design. Participants in the research consisted of 19 students (aged 19–22 years, 18 women) from two private universities in Indonesia. The researcher served as the main instrument in the study, utilizing several additional instruments, such as collaborative online learning design, presentation slides, and documentation studies. The data were analyzed using qualitative data analysis. The research revealed that collaborative online learning design through lesson study activities helped prospective mathematics teachers understand concepts related to integral calculus, especially definite integrals and the substitution method. This was because the collaborative online learning design used learning videos as a means for students to understand the concept of integral calculus. Apart from that, the collaborative online learning design also facilitated students’ understanding of this concept more deeply.
Hyothetical Learning Trajectory On Dilation Material Using Realistic Mathematics Education and Geogebra Media Dwi Hardiyanto; Farida Nursyahidah; Irkham Ulil Albab
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.v9i2.591

Abstract

Dilation is a part of geometry transformation that is useful for students. However, students often have difficulty in understanding dilation material. Therefore, this study aims to develop a learning trajectory to facilitate students in understanding dilation material by using the context of Tedhak Siten tradition. The research subjects consisted of 32 ninth grade students of SMP Negeri 6 Semarang, which was conducted from August to September 2023. The research method used is design research which consists of three stages, namely preparing for experiment, design experiment, and retrospective analysis. All learning activities were based on the Realistic Mathematics Education approach and supported by GeoGebra media. The results of this study include three learning activities, including: observing the Tedhak Siten tradition video to find the properties and definition of dilation, finding the formula and results of dilation, and solving contextual problems related to dilation. From the activities carried out, it can be seen that learning dilation by using the context of the Tedhak Siten tradition based on RME and supported by GeoGebra media can help students improve their understanding of the concept of dilation material in class IX SMP Negeri 6 Semarang. In addition, Tedhak Siten tradition can be used as a relevant context in learning mathematics.
Students’ Thinking Process in Solving HOTS Problem in Derivative Application Materials Aditya Pratama; Sudirman Sudirman; Abdur Rahman As'ari
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.v9i2.599

Abstract

In every mathematics learning process, it is crucial to identify students' thinking processes to observe and assess their mathematical thinking abilities. One way to comprehend students' thinking processes is by examining their work or their responses to problem-solving test questions. This research utilized Polya's framework, which comprises the four stages of problem-solving. One of the efforts to measure and improve students' problem-solving skills is by giving them High Order Thinking Skills (HOTS) questions.  In this study, the researcher employed a qualitative approach, specifically the case study research type, to explore the thinking processes of students who make mistakes in solving higher-order thinking skills (HOTS) problems. Subjects in this study were collected by submitting HOTS-type questions to eleven 12th-grade students. The researcher chose one student with incorrect answers and with more complete writing than others to be the subjects. The results revealed that the subject engaged in the stages of understanding the problem, planning the solution, and executing the plan, but did not undertake the "looking back" stage. Overall, this study provides insight into the subject's thought process in solving HOTS problems related to derivative application material using Polya's framework.
Meta Analysis: The Effect of The Geogebra Applet-Assisted Discovery Learning Model on Students’ Mathematical Problem Solving Ability in Geometry Material Bebyd Noverianto; Arief Agoestanto; Nuriana Rachmani Dewi; Scolastika Mariani
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.v9i2.604

Abstract

Good mathematical problem solving skills are important for students because they are the goals and principles in learning mathematics. However, various studies, both national and international, state that students' mathematical problem solving abilities in Indonesia are still low. The Geogebra-assisted discovery learning model is an innovation that can be used to improve students' mathematical problem solving abilities. This research aims to analyze the influence of the Geogebra-assisted discovery learning model on students' mathematical problem solving abilities in geometry learning. The research method used is meta analysis. The articles analyzed are articles sourced from Scopus, ScienceDirect and Google Scholar with a period of 2013-2023. Of the 10 articles analyzed, 3 of them studied groups of middle school students, 4 groups of high school students, and 3 students. The results showed that 8 articles had a large effect size, 1 article was a medium size, and 1 article was a small size. The results of the Independent Sample t-test obtained tcount of 11.59 and ttable of 1.96. So it can be concluded that the discovery learning model assisted by Geogebra has an effect on students' mathematical problem solving abilities in geometry learning. Through the discovery model, students discover their own concepts and solve the problems. Geogebra is important for illustrating geometric problems. Future research can also analyze the extent of the influence of the Discovery Learning model assisted by Geogebra on students' mathematical problem solving abilities in terms of various other variables both from within the students and from the surrounding environment.
The Effect of Ensemble Averaging Method on Rainfall Forecasting in Jakarta Using ARIMA and ARIMAX Mahmudi Mahmudi; Afnenda Rachmalia Hidayat; Madona Yunita Wijaya
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.v9i2.608

Abstract

This research discusses rainfall modeling using ARIMA and ARIMAX models in Jakarta. This is important because rainfall forecasting in Jakarta has a significant impact on flooding and infrastructure. The focus of this research is on significant ARIMA and ARIMAX models, which are then subtotaled using ensemble averaging. Humidity and temperature variables are of particular interest in ARIMAX modeling due to their high correlation with rainfall. This quantitative research uses secondary data analysis from Tanjung Priok and Kemayoran Stations through the BMKG website, from July 2018 to June 2023. The results obtained at Tanjung Priok Station there are five significant ARIMA models and three significant ARIMAX models. While at Kemayoran Station there are 6 significant ARIMA models and two significant ARIMAX models. After using the ensemble averaging method on both ARIMA and ARIMAX models, the resulting SMAPE value is not better than the best ARIMA or ARIMAX models at both stations. Of all the models performed, the best model in forecasting with the smallest SMAPE is ARIMAX (0,0,1) at Tanjung Priok Station which is 37.83% and at Kemayoran Station which is 27.59%. This research provides new insights and significant contributions in understanding and developing rainfall forecasting in Jakarta using the ensemble averaging method.
Analysis of Mathematical Reasoning Ability Based on Mathematics Anxiety In Junior High School Students Firnanda Shofiyah Agustin; Nur Fauziyah; Fatimatul Khikmiyah
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.v9i2.609

Abstract

Mathematical reasoning ability is one of the abilities that students must master. Influencing factors include math anxiety. This study analyzes and describes mathematical reasoning ability based on mathematics anxiety in junior high school students. The type of research conducted is descriptive qualitative research. This research was conducted at UPT SMP Negeri 17 Gresik class VII B with three students as research subjects for three categories of mathematical anxiety: high, medium, and low. Research data was obtained from mathematics anxiety questionnaires, reasoning ability tests, and interviews. Based on the results of the analysis, it was found that students with low levels of mathematical anxiety could fulfill all indicators of mathematical anxiety, and students with moderate levels of mathematical anxiety fulfilled three indicators of mathematical reasoning, namely making conjectures, manipulating mathematics, and determining patterns or properties of mathematical phenomena. Learners with high levels of mathematical anxiety only fulfill one indicator of mathematical anxiety, namely, making conjectures. From the results of the study, it can be concluded that the higher the students' mathematical anxiety, the lower their mathematical reasoning ability, so it is recommended that educators and students pay attention to mathematical anxiety in learning to improve their mathematical reasoning ability.

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