Mathline : Jurnal Matematika dan Pendidikan Matematika https://mathline.unwir.ac.id/index.php/Mathline <p>Mathline : Jurnal Matematika dan Pendidikan Matematika, a national journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to mathematics and mathematics education that published four times a year: February, May, August, and November (Starting from <strong>2023)</strong>. Scientific articles dealing with realistic mathematics education, design research, development research, etc. are particularly welcome. The journal encompasses research articles, original research report, reviews, short communications and scientific commentaries in mathematics or mathematics education. All papers submitted to the journal should be written in Indonesian or English. The official language of the manuscript to be published in Mathline is Indonesian or English. Mathline : Jurnal Matematika dan Pendidikan Matematika, has ISSN published by LIPI. p-ISSN:2502-5872. e-ISSN: 2622-3627</p> Universitas Wiralodra en-US Mathline : Jurnal Matematika dan Pendidikan Matematika 2502-5872 Contextual Teaching and Learning Approach Based On Tpack To Increase Students' Interest In Learning and Learning Outcomes https://mathline.unwir.ac.id/index.php/Mathline/article/view/598 <p>This research is a Classroom Action Research (CAR) using Contextual Teaching and Learning (CTL) approach based on TPACK to increase students' interest and learning outcomes. The study involved 22 students of class VII at MTsN 2 Tanah Bumbu, with data collection techniques including observation, written tests, and questionnaires. The results showed that the CTL approach significantly increased students' interest in learning, with their attention to math increasing from 54.55% to 81.82% after the action. In addition, students' feelings of pleasure increased from 36.36% to 77.27%, and their interest in mathematics increased from 31.82% to 63.64%. The CTL approach also improved learning outcomes, with an increase in the average learning outcomes and the level of KKTP (Criteria for Completion of Learning Objectives). The average learning outcome before the action was 46.4, and in cycle I it increased to 59.5 with a completeness percentage of 54.5%. In cycle II, it reached a significant increase of 74.5 with a percentage of 100% completeness.</p> Ali Wardoyo Sunismi Sunismi Copyright (c) 2024 Ali Wardoyo, Sunismi Sunismi https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 629 644 10.31943/mathline.v9i3.598 Response of Prospective Mathematics Teacher Students To Learning Difficulties In Calculus Course https://mathline.unwir.ac.id/index.php/Mathline/article/view/602 <p>This study was motivated by the learning difficulties faced by prospective mathematics teacher students in calculus courses, while calculus courses studied at the college level equip prospective teacher students to teach mathematics subjects at the secondary school level. This study aims to determine students' responses to learning difficulties in calculus courses. This research used descriptive quantitative method by involving 25 students of Tadris Mathematics IAIN Kerinci as the research sample. The sampling technique used in this study was convenience sampling, which is when a researcher chooses his sample only by including people who are available. This study uses a closed questionnaire as a data collection tool that is reviewed from 7 aspects of difficulty, namely interest, motivation, talent, intelligence, facilities and infrastructure, quality, and teaching methods. The results of descriptive analysis showed that students have a high level of difficulty in learning calculus. The conclusion of this study shows that students' learning difficulties, especially in calculus courses, are strongly influenced by external factors, especially related to learning facilities and infrastructure. The results also show that prospective math teacher students at IAIN Kerinci have an unfavorable response to learning difficulties in calculus courses.</p> Arshinta Vrasetya Eline Yanty Putri Nasution Rhomiy Handican Copyright (c) 2024 Arshinta Vrasetya, Eline Yanty Putri Nasution, Rhomiy Handican https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 645 660 10.31943/mathline.v9i3.602 Learning Achievement: Understanding the Influence of Self-Confidence and Mathematical Disposition in Junior High School Students https://mathline.unwir.ac.id/index.php/Mathline/article/view/601 <p>The purpose of this study is to ascertain how class IX students at SMP N 4 Sungai Penuh self-confidence and mathematical disposition relate to one another. The 113 pupils in class IX of SMP Negeri 4 Sungai Penuh comprised the study's population. This study will use a probability sampling technique, specifically simple random sampling with the use of the Solvin formula, to select 30 students to serve as the sample. Correlational research is the type of study that this study is. The F test significance test, the Pearson product moment correlation calculation, and a comparison with the F table are the steps in the data analysis procedure utilized in this study. The study's findings suggest that self-confidence and mathematical temperament have a positive but negligible impact on the mathematics learning achievement of SMP N 4 Sungai Penuh class IX pupils. The study's findings demonstrated that, at a significance level of 0.022 &lt; 0.05, the self-confidence variable had a positive and substantial impact on learning achievement. The mathematical disposition variable likewise significantly and favorably affects student learning achievement. Student learning achievement was positively and significantly impacted by the variables of self-confidence and mathematical disposition, with a coefficient of determination of 0,428.</p> Thessa Oktavia Putri Yulia Copyright (c) 2024 Thessa Oktavia, Putri Yulia https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 661 674 10.31943/mathline.v9i3.601 Development of Computational Mathematic Thinking Test Instruments Based On Computered Based Test https://mathline.unwir.ac.id/index.php/Mathline/article/view/648 <p>This reseacrh is a type of development reseacrh. The aims of this research is to develop an instrument for mathematical computational thinking tests based on Computer Based Testing (CBT) using the Quizizz application, evaluate the validity of the developed test instrument, and analyze the mathematical computational thinking abilities of students. The ADDIE model (Analysis, Design, Development, Implementation, and Evaluation) is adopted as the method in this research. A total of 52 students from classes X and XI of SMA Muhammadiyah 1 Surakarta were involved in this study as research subjects. Data analysis was conducted using the Rasch model with the assistance of Winsteps Rasch software. The results of this research indicate that 20 items are categorized as valid. The overall test reliability is 0.62, classified as sufficient, while the reliability of the test items is 0.88, classified as good. Test analysis of the level of difficulty of test items reveals that there are 3 items categorized as very difficult, 7 items categorized as difficult, 5 items categorized as moderate, and 5 items categorized as easy. In general that the computational thinking skills test does not show a tendency to be biased in any question item, because all probability values for the question items exceed 0.05. Items are considered unbiased if they do not give an unfair advantage to any one individual. Based on the experiment in this study, the average mathematical computational thinking ability of class X students is 75.53, while for class XI students it is 79.37.</p> Robiah Nur Haniah Mohamad Waluyo Copyright (c) 2024 Robiah Nur Haniah, Mohamad Waluyo https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 675 690 10.31943/mathline.v9i3.648 The Effectiveness of Using Electronic Student Worksheet With A Contextual Approach On Student Adversity Quotient https://mathline.unwir.ac.id/index.php/Mathline/article/view/655 <p>This study aims to inspect the effectiveness of using electronic student worksheets with a contextual approach on students' Adversity Quotient (AQ). The research design employed was quasi-experimental. It was conducted at Kotabumi during the academic year 2023/2024, involving 86 VII-th grade students as the population, focusing on the subject matter of social arithmetic. The independent variable in this study is electronic student worksheets with a contextual approach, and the dependent variable refers to the adversity quotient. The research sample was selected using random sampling technique, with 28 students from class VII B assigned to the experimental group and the control group consisted of 28 students from class VII C. The research employed a pre-post control group design. The instrument used was a questionnaire on adversity quotient, which had undergone validity and reliability tests. Data analysis involved descriptive and inferential analyses, with hypothesis testing conducted using independent sample t-tests. Based on the results of the n-gain hypothesis test, there was a difference in the improvement of students' AQ between the experimental and control groups. The findings of this study, as demonstrated through the n-gain test, indicate that the use of electronic student worksheets with a contextual approach is effective in enhancing students AQ.</p> Adji W. S. Minadja Sugeng Sutiarso Rangga Firdaus Copyright (c) 2024 Adji W. S. Minadja, Sugeng Sutiarso, Rangga Firdaus https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 691 704 10.31943/mathline.v9i3.655 An Analysis of A Junior High School’s Readiness In Optimizing Students’ Numeracy Skills To Face Minimum Competency Assessment https://mathline.unwir.ac.id/index.php/Mathline/article/view/656 <p>In order to optimize students’ literacy and numeracy skills, the Indonesian government implemented Minimum Competency Asessment or <em>Asesmen Kompetensi Minimum</em> (AKM) for students in primary and secondary school. Therefore, it is essential to investigate schools’ readiness in facing the AKM. This study describes the planning, implementation, and evaluation of mathematics learning as efforts in optimizing students’ numeracy skills to face the AKM at a public junior high school in Klaten Regency, Central Java, Indonesia. The numeracy components consists of content (numbers, measurement and geometry, data and uncertainty, and algebra), context (personal, socio-cultural, and scientific), and cognitive process (understanding, applying, and reasoning). This research is a qualitative study with a case-study approach. Data collection in this study uses observation, interviews, and documentation techniques. The data analysis technique used in this research is an interactive flow model through stages of data collection. The study results indicate three findings. First, teachers prepare learning media, worksheet-books, and mathematics textbooks to support learning. The tutoring program for grade VIII focuses on solving numeracy problems, which is supported by an AKM book. However, teachers still need to develop a specific lesson plan and student worksheet, which contains problems with numeracy aspects. Second, during the learning implementation, the school has provided good facilities, teachers use learning media and student worksheet-books containing problems that only partially incorporate numeracy components. Third, teachers have conducted assessments and created scoring guidelines in the learning evaluation stage. However, the evaluation shows that the practice provided does not include problems with numeracy components.</p> Aulia Hanif Annisa Sri Rejeki Sugiyanti Sugiyanti Copyright (c) 2024 Aulia Hanif Annisa, Sri Rejeki, Sugiyanti Sugiyanti https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 705 722 10.31943/mathline.v9i3.656 Mathematical Literacy In Solving Hots-Based Problems On Spldv Material In Terms of Cognitive Style https://mathline.unwir.ac.id/index.php/Mathline/article/view/661 <p>The concept of mathematical aptitude pertains to an individual's capacity to articulate, elucidate, and employ mathematical principles in everyday scenarios. This investigation stemmed from concerns surrounding substandard levels of mathematical literacy, potentially stemming from students' inability to meet established benchmarks. The primary objective of this inquiry was to evaluate students' mathematical acumen in tackling HOTS-based challenges linked to SPLDV materials, while considering their cognitive inclinations. Employing a qualitative framework with a descriptive approach, the study centered on four eighth-grade students from SMP Negeri 3 Colomadu, comprising two individuals exhibiting a field-dependent cognitive style and two with a field-independent cognitive orientation. Data on the participants' mathematical proficiencies were gathered through a combination of assessment tools and interviews, complemented by a cognitive style questionnaire. The validity of the data was fortified through triangulation methodologies. Analysis ensued through three distinct phases: data reduction, presentation, and synthesis. The results showed that students with Field Dependent cognitive style type only fulfill one indicator of mathematical literacy, namely communication. While students with cognitive style type Field Independent able to meet all indicators of mathematical literacy well include communication, mathematization, representation, reasoning and argumentation, designing strategies to solve problems, as well as the use of operations, symbols, formal, and technical.</p> Wanodya Kirana Intan Lively Isnaeni Umi Machromah Copyright (c) 2024 Wanodya Kirana Intan Lively, Isnaeni Umi Machromah https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 723 738 10.31943/mathline.v9i3.661 Development of Mathematics E-Comic Media Based On Problem Based Learning To Improve The Problem Solving Ability And Learning Interest of Students of Muhammadiyah Private Junior High School 16 Lubuk Pakam https://mathline.unwir.ac.id/index.php/Mathline/article/view/665 <p>This research intends to (1) create valid, practical, and successful PBL-based E-Comics media; (2) evaluating Problem-Based Learning-based E-Comics media for problem-solving improvement; (3) examining student enthusiasm in learning with Problem-Based Learning e-comics medium. This study follows the ADDIE model—analysis, design, development, implementation, and evaluation. This study included SMP Muhammadiyah 16 Lubuk Pakam seventh-graders. RPP, LKPD, problem-solving ability exam, and student learning interest questionnaire are used to create e-comic media. The results showed that (1) Media E-Comics based Problem Based Learning (PBL) to improve problem-solving skills and interest in learning met valid criteria with a score of 4.69; (2) The practical criteria in the second practical test included observation of learning using E-Comics media with a score of 88.15%, teacher response of 87.94%, and student response of 90.75%; and (3) E-Comics media meets effectiveness criteria; (i) Problem-solving skills in the effectiveness test I rose by 0.68 with a medium category at pretest and posttest. Comparing posttest I and II values ​​showed that test II was more effective with N-gain 0.43 in the medium category; (ii) increased student interest in learning effectiveness test I with an average of 96.87%, with 8 excellent, 23 good, and 1 sufficient students. effectiveness test II followed with an average of 100%, with 17 excellent and 15 good students.</p> Nia Irmaya Hermawan Syahputra Asrin Lubis Copyright (c) 2024 Nia Irmaya, Hermawan Syahputra, Asrin Lubis https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 739 754 10.31943/mathline.v9i3.665 Analysis of Problem Solving Ability and Independent Learning Based On IT-Assisted PBL At Nurul Azizi Integrated Islamic Middle School https://mathline.unwir.ac.id/index.php/Mathline/article/view/659 <p>This research is crucial since students struggle with math. They want to "Analysis of Problem Solving Ability and Independent Learning Based on IT-Assisted PBL at Nurul Azizi Integrated Islamic Middle School" . This study is quantitative quasi-experimental. Fix IT issues Scholars value research and freedom. We tested eighth-graders at Nurul Azizi Integrated Islamic Middle School. Random VIII A and B have 30 students. Control and experimental groups are examined. VIIIB/VIIIA comparison. The control group employed conventional methods, while the experimental group used IT-based problem-based learning. Statistics-based research. A statistical analysis. Sample statistics predict a larger population. Parametric statistics estimates population parameters from distribution assumptions. Test a theory before experimenting. 1) Averages define typical. 2) Consistency unites. Three testable hypotheses tell or foretell. Discuss study results: Math issue-based instruction assists SMP IT Nurul 'Azizi pupils. This was expected as the experimental group scored 82.27 and the control 70. SMP IT Nurul 'Azizi's problem-based learning increases student autonomy more than conventional techniques with a 5% significance threshold (5.793&gt;2.002) and a 2-way significant value (t-tailed) of 0.000. Compared to 74, the experimental group scored 85.83. SMP IT Nurul 'Azizi students' arithmetic problem-solving skills are linked to learning, with a 5% significant level (6.55&gt;2.002) and 2-way t-tailed value of This study uses a two-way ANOVA with α = 0.05. At SMP IT Nurul 'Azizi, pupils' arithmetic competency was influenced by their learning model and baseline ability (p-value 0.05). This study uses a two-way ANOVA with α = 0.05. The significance threshold is 0.036, below 0.05.</p> Muhammad Fadhil Hidayat Siregar Hasratuddin Hasratuddin Pardomuan Sitompul Copyright (c) 2024 Muhammad Fadhil Hidayat Siregar, Hasratuddin Hasratuddin, Pardomuan Sitompul https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 755 770 10.31943/mathline.v9i3.659 Literature Study On The Effect of The Discovery Learning Approach On Students' Computational Thinking Ability By Considering Gender Aspects https://mathline.unwir.ac.id/index.php/Mathline/article/view/672 <p>This research aims to explore the findings of previous studies regarding the effect of the discovery <br />approach on students' computational thinking ability, taking into account gender aspects. <br />Computational thinking ability is an essential skill in today's digital era, and the appropriate learning <br />approach can help students develop this ability. The method used in this research is a literature study <br />by analyzing relevant journal articles and research to identify emerging findings and patterns. The <br />research results are expected to provide valuable insights for education practitioners in designing <br />effective and inclusive learning strategies to improve students' computational thinking abilities, <br />considering gender differences.</p> Netti Kariani Mendrofa Edi Surya Edi Syahputra Bornok Sinaga Syawal Gultom Copyright (c) 2024 Netti Kariani Mendrofa, Edi Surya, Edi Syahputra, Bornok Sinaga, Syawal Gultom https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 771 782 10.31943/mathline.v9i3.672 Students' Proportional Reasoning in Solving PISA Problems on Quantity Content: An Analysis from the Perspective of Mathematical Self-Efficacy https://mathline.unwir.ac.id/index.php/Mathline/article/view/677 <p>One of the abilities that students need to develop is proportional thinking. Mathematical problems and real-world situations involving the connection between numbers and comparisons need students to use their reasoning skills to reach conclusions. The purpose of this study is to characterize, in terms of self-efficacy, students' proportional reasoning skills when addressing quantity content PISA questions. The self-efficacy questionnaire, PISA questions on quantitative content, interview instructions, and documentation are among the instruments used in this descriptive qualitative study. The study's findings demonstrate that students with low self-efficacy struggle to meet proportional reasoning requirements, contemplate difficulties, and give up quickly out of fear of failing, Pupils rely on guesswork to solve issues instead than attempting to come up with novel solutions. Students with moderate self-efficacy can identify proportional quantities in problems and understand them, but they are not yet able to convert quantities into other forms. They can also use the appropriate strategy but are still hesitant and make mistakes when calculating. Students with moderate self-efficacy are eager to work on problems, but they give up easily when faced with challenging ones. However, despite their continued self-doubt, students continue to look for answers. Despite their restricted talents, students who possess strong self-efficacy are able to meet proportional reasoning markers. Students who have high self efficacy tend to have motivation, high enthusiasm and have confidence in their abilities, students will try to find new ideas to solve problems.</p> Fany Dania Windasari Nining Setyaningsih Copyright (c) 2024 Fany Dania Windasari, Nining Setyaningsih https://creativecommons.org/licenses/by-sa/4.0 2024-08-11 2024-08-11 9 3 783 798 10.31943/mathline.v9i3.677 Analysis Of Students' Mathematical Literacy Ability In Solving Pisa-Oriented Questions Content Change And Relationship Judging From Self-Efficacy https://mathline.unwir.ac.id/index.php/Mathline/article/view/652 <p>Study This aims to analyze the connections between the ability of literacy mathematical students to finish questions on PISA Change and relationships, which are oriented on content and levels of efficiency. Study This uses design study descriptive qualitative. The sample for this research consisted of three class VIII B students at SMPN 3 Colomadu, Karanganyar Regency. The three subjects were selected based on the results of responses to the questionnaire and PISA questions, taking into account their level of self-efficacy, which was divided into low, medium, and high. The research instrument consisted of a questionnaire regarding student self-efficacy and PISA questions related to Change and Relationship content. After analyzing the questionnaire and students' answers, they interviewed the three subjects. The research results show that students' mathematical literacy skills in solving questions oriented towards changes in PISA content and their interrelationships require improvement. The level of students' self-efficacy in solving mathematics literacy problems is classified as moderate, and there is a significant positive relationship between mathematics literacy abilities and students' self-efficacy.</p> Risqia Mumfaza Rini Setyaningsih Copyright (c) 2024 Risqia Mumfaza, Rini Setyaningsih https://creativecommons.org/licenses/by-sa/4.0 2024-08-17 2024-08-17 9 3 799 816 10.31943/mathline.v9i3.652 Development of Papercraft Visual Media On Grade IV Fraction Material In Elementary School https://mathline.unwir.ac.id/index.php/Mathline/article/view/676 <p>The lack of utilization of learning media makes it difficult for students to learn the concept of fractions, including students having difficulty understanding the teacher's explanation and difficulty performing calculations. Creating beautiful papercraft media to teach math is the driving force behind this research. The purpose of this research is to develop visual papercraft media and to find out whether visual papercraft media is feasible to be used as learning media in the Mathematics content in the classroom. This research uses the Research and Development (R&amp;D) method using the 4-D model which goes through four stages, namely: 1. Define, 2. Design, 3. Development (Development), 4. Dissemination (Disseminate). Descriptive questionnaires were used for data collection. Students of SDN Cilincing 03 Pagi who are in grade IV participated as research subjects. This research was conducted by forming large groups and small groups. There were a total of 27 students from class IV B, with 10 students from class IV A forming the small group. The validation results from media experts and material experts showed that papercraft media is very suitable for teaching fractions. Media expert validation results reached 90% with a very feasible category, material expert results reached 91% with a very feasible category, and responses from 10 students in this study reached 94.9% with a very feasible category. In addition, responses from 27 students were at 94% with a very feasible category. It is concluded that papercraft media is a learning media that is very suitable for teaching fraction material in Mathematics subjects to grade IV elementary school students.</p> Putri Firyani Mimin Ninawati Copyright (c) 2024 Putri Firyani, Mimin Ninawati https://creativecommons.org/licenses/by-sa/4.0 2024-08-17 2024-08-17 9 3 817 830 10.31943/mathline.v9i3.676 Indonesian Students’ Mathematical Representation Ability According To Learning Styles: Systematic Literature Review https://mathline.unwir.ac.id/index.php/Mathline/article/view/583 <p>The purpose of this research is to explain the outcomes of Indonesian students' mathematical representation ability according to learning styles. The learning styles are visual, auditory, and kinesthetic. A systematic literature review (SLR) is the research methodology employed in this study. This study used data from 18 papers about mathematical representation ability according to learning styles. Publications published in Indonesia between 2015 and 2023 that are indexed by Google Scholar, SINTA, or Scopus form the publishing data. According to the publication year, the media in which it was published, the research methods employed, the subject's educational background, the research location, and the research findings, the description of this study was reviewed. The most research on mathematical representation ability according to learning styles was found to have been published in 2023, according to SLR. The most prominent research media that published the most research were SINTA and Google Scholar. Qualitative methods dominated this study, with junior high school students serving as the majority of research subjects and the island of Java serving as the most prominent research location in Indonesia. Furthermore, it could be stated that one of the elements influencing mathematical representation ability is learning styles.</p> Clara Fadhilah Inayah Jarnawi A. Dahlan Darhim Darhim Fitria Maghfiroh Copyright (c) 2024 Clara Fadhilah Inayah, Jarnawi A. Dahlan, Darhim Darhim, Fitria Maghfiroh https://creativecommons.org/licenses/by-sa/4.0 2024-08-17 2024-08-17 9 3 830 846 10.31943/mathline.v9i3.583 Analysis of Students' Mathematical Communication Skills On The Material of Two-Variable Linear Equation System With The Application of Bruner Theory https://mathline.unwir.ac.id/index.php/Mathline/article/view/664 <p>The subjects of this qualitative descriptive research were class VIII students of SMP Negeri 4 Tarutung located in North Tapanuli Regency. The aim of this research is to determine and explain students' mathematical communication abilities when solving problems using Bruner's Theory. The data is in the form of written test results given to students to assess their mathematical communication skills in solving problems using Bruner's Theory. The results of the interview also consist of students' answers to verbal questions given to obtain additional information. Documentation data in the form of pictures and archives of test answers taken by class VIII students of SMP Negeri 4 Tarutung. Data collection methods include written tests, interviews, and documentation. Data analysis is carried out by reducing data, presenting and drawing conclusions. The results of the research show that students' mathematical communication skills when solving problems use Bruner's Theory 43% of students with high mathematical communication skills were able to solve questions correctly and well, while 36% of students with moderate abilities could only meet some indicators, and 21% of students with low abilities could not meet all the indicators.</p> Sariayu Sariayu Hasratuddin Hasratuddin Bornok Sinaga Waminton Rajagukguk Copyright (c) 2024 Sariayu Sariayu, Hasratuddin Hasratuddin, Bornok Sinaga, Waminton Rajagukguk https://creativecommons.org/licenses/by-sa/4.0 2024-08-17 2024-08-17 9 3 847 858 10.31943/mathline.v9i3.664 Analysis of Students' Spatial Abilities Reviewed From Gender Differences In Class X https://mathline.unwir.ac.id/index.php/Mathline/article/view/600 <p>Spatial skills are important for studying geometric shapes. People who have good spatial abilities can easily imagine objects in three dimensions. Factors that influence differences in student abilities include gender differences. The aim of this research is to describe students' spatial abilities in terms of gender differences. The type of research used is quantitative-qualitative research. Spatial ability test results data are calculated and presented in quantitative form and analyzed qualitatively. This research was conducted at SMA Negeri 3 Ambon class X Science 1 with a total of 36 students consisting of 12 male students and 24 female students. In determining the subject of this research, a purposive sampling technique was used, namely taking data sources with certain considerations. The research subjects selected to be interviewed were 6 students with the assessment criteria for spatial ability test questions consisting of 1 male student and 1 female student with high spatial ability, 1 male student and 1 female student with moderate spatial ability, and 1 male student with moderate spatial ability. male and 1 female student with low spatial abilities. The largest percentage of student test results are in the low category. Based on the results of the spatial ability test, it shows that in the element of spatial perception, male subjects are more likely to meet the indicators of the ability to identify objects vertically and horizontally even though the position of the object is manipulated. Meanwhile, female subjects tend to use their spatial abilities as indicators of the ability to distinguish lines, horizontal and vertical planes in spatial figures. In the spatial visualization element, male subjects are more likely to fulfill the indicators than female subjects regarding stacks of unit cubes whose position or shape has been manipulated and visualizing stacks of unit cubes from more than one point of view. For the element of mental rotation, male subjects tend to be more capable than female subjects of rotating, imagining rotation and describing a flat shape or spatial structure correctly after rotation. However, elements of spatial orientation of female subjects are more likely to determine the appearance of objects from different perspectives than male subjects. In the spatial relations element, male subjects are more likely to determine the relationship of an object with other objects than female subjects.</p> Esterni Telaumbanua Tanwey Gerson Ratumanan Rhyanti Silitonga Copyright (c) 2024 Esterni Telaumbanua, Tanwey Gerson Ratumanan, Rhyanti Silitonga https://creativecommons.org/licenses/by-sa/4.0 2024-08-20 2024-08-20 9 3 859 870 10.31943/mathline.v9i3.600 Analysis and Simulation of SEIR Mathematical Model of Stunting Case in Indonesia https://mathline.unwir.ac.id/index.php/Mathline/article/view/555 <p>Stunting is one of the focuses of the target for improving nutrition in the world until 2025. The government of Indonesia targets the prevalence of stunting to decrease to 14% in 2024. There are some factor affect stunting, some of them are sanitation, health care and parenting of child. In this research, we constructed a SEIR mathematical model of stunting case in Indonesia. There are four compartements in this model : the population of newborn are likely to be exposed to stunting (S), the population of children were having an early symptom stunting (E), the population of affected child stunting permanent (I) and the population of children showing symptom stunting but no caught stunting (free stunting) (R). The disease free and endemic equilibrium point are the equilibrium of the formed model. The local stability of equilibrium points have been analyzed, determined the basic reproduction number, and conducted a sensitivity analysis. If then is asymptotically stable If then is asymptotically stable. Sensitivity analysis revealed that the parameters and significantly contribute to the increase in the basic reproduction number . It means that the good sanitation, good healthcare, good parenting of child and decrease the rate of transmission indirectly from the person affected stunting are the most important thing to reduce the rate of stunting in Indonesia.</p> Ambar Winarni Noor Sofiyati Ulfa Fadilla Rudatiningtyas Copyright (c) 2024 Ambar Winarni, Noor Sofiyati, Ulfa Fadilla Rudatiningtyas https://creativecommons.org/licenses/by-sa/4.0 2024-08-20 2024-08-20 9 3 871 886 10.31943/mathline.v9i3.555 The Contribution of Problem-Solving Ability To Self-Regulated Learning of Khairul Imam Medan Middle School Students https://mathline.unwir.ac.id/index.php/Mathline/article/view/645 <p>The purpose of this study is to ascertain the contribution of mathematical problem-solving abilities to self-regulated learning. This research is ex post facto research. The sample taken in this study using the cluster random sampling technique was taken randomly from two classes with a total of 51 students. Data on problem-solving abilities and self-regulated learning were collected using instruments in the form of problem-solving ability tests and self-regulated learning attitude scales. Path analysis techniques were used to analyze the data. The results of the research show that problem-solving abilities contribute significantly to students' self-regulated learning, and the large contribution of problem-solving abilities to students' self-regulated learning is 94.47%. Based on these findings, it can be concluded that to increase student self-regulated learning, problem-solving abilities must be improved. Apart from that, problem-solving abilities contribute significantly to self-regulated learning, both directly and indirectly, and these two variables have a very strong influence.</p> Nilam Sari Heryanto Heryanto Lorena Peranginangin Renatal Halomoan Lumban Tobing Copyright (c) 2024 Nilam Sari, Heryanto Heryanto, Lorena Peranginangin, Renatal Halomoan Lumban Tobing https://creativecommons.org/licenses/by-sa/4.0 2024-08-20 2024-08-20 9 3 887 898 10.31943/mathline.v9i3.645 Mathematical Computational Thinking Skills In The Context of Critical Thinking Based On Gender https://mathline.unwir.ac.id/index.php/Mathline/article/view/699 <p>Computational thinking is related to critical thinking skills. The purpose of this research is to find out how students' ability in mathematical computational thinking in the context of critical thinking and the differences in the abilities of women and men. This research is a qualitative research. Data collection techniques used written tests, interviews, and documentation. The subjects of this study were selected through purposive sampling technique and totaled 34 students. After that they did a written test with 7 questions on the material of the system of linear equations of two variables and obtained 6 students with the category of 2 high ability students, 2 medium ability students, and 2 low ability students. The data were analyzed by using Triangulation technique. The results showed that female students are superior in solving problems according to the indicators of computational thinking because they pay more attention to accuracy in the work. So it must often work on problems to train students' abilities so that all students can do it better and become balanced for each student's ability. So it is hoped that students will get used to thinking in a stepped, systematic and logical manner.</p> Nur Alimah Agung Lestari Fitri Alyani Copyright (c) 2024 Nur Alimah Agung Lestari, Fitri Alyani https://creativecommons.org/licenses/by-sa/4.0 2024-08-25 2024-08-25 9 3 899 918 10.31943/mathline.v9i3.699 Students' Difficulties In Solve Trigonometry Problem Solving According To Step Polya's https://mathline.unwir.ac.id/index.php/Mathline/article/view/571 <p>This study aims to describe students' difficulties in solve trigonometry problem solving according Polya's steps. Determining research subjects by giving students difficulty test questions using Polya steps to 36 students of class X MIPA 8 SMAN 1 Indramayu. From these results, 6 subjects were selected purposively as a sample with subjects falling into the high, medium and low score categories. The instruments used were diagnostic tests of students' difficulties in solving trigonometric problems using Polya's problem solving and interviews. The data analyzing technic in the research started with collecting information in the fields, interviews, and documentations which are collected by coding. By considering into account the results obtained from this study, the difficulty of students in handling problem solving of trigonometry problems according to Polya's steps owned by students of class X MIPA 8 SMA Negeri 1 Indramayu is able to solve a problem using Polya's steps. When students who have high test scores will have little difficulty learning because the subject can explain and solve problems well and there are no difficulties. While it is different when students who have low scores feel confused, difficult, wrong in solving a problem. In fact, in this study, the highest score and the lowest score both answered the questions correctly, the only difference was the student's accuracy and overestimation, causing the student to get a low score. The research results show that the students with high score category had less difficulty than students with low score categories. Therefore, teachers must be more careful in paying attention to students and teachers must also explain Polya's stages gradually without rushing. It is expected that students can understand Polya's stages as a whole so as to reduce student learning difficulties.</p> Khofifah Khofifah Rosyadi Rosyadi Farid Gunadi Nandang Nandang Runisah Runisah Copyright (c) 2024 Khofifah Khofifah, Rosyadi Rosyadi, Farid Gunadi, Nandang Nandang, Runisah Runisah https://creativecommons.org/licenses/by-sa/4.0 2024-08-26 2024-08-26 9 3 919 946 10.31943/mathline.v9i3.571