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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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Mathematical Representation Ability of Students With Moderate Visual Spatial Intelligence in Solving Solid Figure Problems Anugrah, Dian; Ma'rufi, Ma'rufi; Hidayat, Rahmat
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.v8i2.433

Abstract

The importance of the ability of representation as a standard process of learning mathematics because it can help students understand and develop every concept in learning mathematics. The representation of each element of intelligence which dominates a lot is visual-spatial intelligence because it is an object that can be seen visually. Winsgoal tidak hanya menyediakan kemudahan deposit qris, tetapi juga tersedia deposit idn slot pulsa tanpa potongan, e-wallet dan transfer bank yang tidak kalah menarik. However, it is known from previous researchers that the ability of students' mathematical representations is still relatively low. This is due to the habit of students receiving direct learning and passive activities. This research is a qualitative research that aims to describe the representation abilities of students with visual-spatial intelligence who are currently solving geometric problems. The subjects of this study were class XII MIPA students at SMAN 9 Enrekang. Data were collected using a visual-spatial intelligence test instrument, a mathematical representation ability test instrument and interviews on students' mathematical representation abilities. The data that has been obtained is analyzed using the Nvivo 12 Plus application. The results showed that students with visual-spatial intelligence were able to represent problems visually and verbally in solving spatial geometry problems but could not represent them mathematically. This is based on the fact that students are not precise in choosing the mathematical model used in solving geometrical problems so that students experience problems in solving the next problem. Choosing innovative learning methods and getting students used to working on questions that require higher-order thinking skills can support students' mathematical representation abilities.
Optimization of Salak Fruit Distribution Routes With Vehicle Routing Problem (VRP) Using Clarke And Wright Saving's Simamora, Hasna Ulpa Ujiah; Rakhmawati, Fibri
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.v8i2.434

Abstract

The problem in the Romaromi expedition which is addressed to Padangsidimpuan City, South Tapanuli Regency, Marancar District, precisely in Sugi Julu village which produces salak fruit is that the delivery of goods is done manually and irregularly where the goods are sent from the warehouse to the customer, and back to the warehouse, so it will cost a lot of time and also costs. Furthermore, to determine the allocation of consumers among existing routes, the sequence of routes that are able to go to all consumers from the specified route from vehicles that are able to pass all routes. Based on the problem in question, this study was made with a vehicle routing problem using Clarke and Wright savings or saving matrix by completing the calculation of savings measured from the many reductions between distance traveled and time used, involving nodes also making it one of the best route paths based on the greatest savings value, namely the distance traveled from the starting point to the intended end point. From the results obtained in data processing using Clarke and wright savings as many as 14 distribution routes. This shows that the Clarke and wright savings algorithm can minimize distance and also save company expenses.
Analysis of The Selection of The Best Arabica Coffee Beans Using Apriori Algorithms Ridwan, Muhammad; Rakhmawati , Fibri
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.v8i2.437

Abstract

One of the coffee producers in North Sumatra is Karo Regency. Currently, the growth of coffee production in Indonesia is still hampered by the low quality of the coffee beans produced, which affects the development of the final coffee production. coffee, both in terms of selecting the best coffee beans and in terms of processing and benefits. To overcome this problem requires a system that can assist in making decisions regarding the selection of the best Arabica coffee beans with association pattern rules. As for applying associative rules to the selection of the best Arabica coffee beans in Tanah Karo between item combinations so as to form an itemset combination pattern and the Apriori Algorithm. Important association rules can be known with 2 parameters, namely, minimum support (the percentage of item combinations in the database) and minimum confidence (the strength of the relationship between items in the associative rules), both of which are determined by the user. The results of data mining calculations using the Apriori algorithm, data on the assessment of Mr. RM's coffee beans with a minimum support of 25% and a minimum confidence of 75%, form seven rules for Mr. RM's coffee beans. One of the best rules is that if the selection of Normal Bean Presentation is on the Andungsari 1, Andungsari 2, and Komasti coffee varieties, then with a 100% probability the selection on Leaf Rust Resistance will also be good for the selection of Andungsari 1, Andungsari 2, and Komasti coffee varieties. The best selection combination is {BN,B,KD,A} with a 100% confidence level and has the highest lift value, namely, 3.70.
Implementation of A-Star Algorithm In Finding The Shortest Route of Cooking Oil Distribution in Karo Regency Using Graph Ropiqoh, Ropiqoh; Lubis, Riri Syafitri
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.v8i2.442

Abstract

PT. XYZ is a company that distributes cooking oil in Karo Regency. Based on what has been observed at PT. XYZ, the distribution of goods has not contained standard provisions in determining the route of delivery of goods, large areas cause great difficulties in the distribution of goods because they require greater transportation costs. To overcome the distribution problem, a workable solution is the A-Star algorithm using graphs. The A-Star algorithm has two points, namely Open List and Close List.  Where conceptually open list means a point that can be skipped while close list means a point that cannot be passed. And usability the Close List is needed so that the algorithm does not need to check the points it passes, so that it can more quickly complete the search process and the checking process at each point can be less, In general, the concept of determining the closest path in an algorithm is that it can stop when the open list is not found and the endpoint has been obtained. while the company's route was 30.95 km. Then the percentage of mileage savings is 62.16%. This shows that the A-Star algorithm can minimize distance and also save companies costs.
Analysis Of Mathematical Reasoning Ability in Terms of Mathematical Self-Efficacy of MAN 2 Pekanbaru Students Masrianti Fadillah; Maimunah, Maimunah; Hutapea, Nahor Murani
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.v8i2.443

Abstract

The mathematical reasoning ability of each student is very important to be able to make them use reasoning in patterns and traits, and perform mathematical tricks to produce valid generalizations, proofs, and statements. The activity of generalizing, proving, and making valid statements requires self-confidence. Confidence is in the form of Self-Efficacy and becomes an internal factor related to mathematical reasoning abilities. describing mathematical reasoning abilities in terms of students' mathematical self-efficacy is the aim of this study using a descriptive qualitative approach. Data collection techniques were questionnaires to measure students' self-efficacy, written tests to measure students' mathematical reasoning abilities, and interviews. The research subjects were 30 students of class XII MAN 2 Pekanbaru. The results of the study found that: (1) 26.67% of students with high mathematical reasoning abilities were accompanied by high or moderate self-efficacy; (2) 56.67% of students with moderate mathematical reasoning abilities are accompanied by high, medium, or low self-efficacy; (3) 16.67% of students with low mathematical reasoning ability are accompanied by moderate or low self-efficacy; (4) 43.33% of students can perform calculations based on certain rules; (5) 76.67% of students can do direct proof; and (6) 75.83% of students can provide valid arguments. It can be concluded that the level of mathematical reasoning ability is not always on the same level as students' self-efficacy, but the best mathematical reasoning ability is always followed by good self-efficacy. So, students' self-efficacy needs to be increased to be able to apply better mathematical reasoning abilities.
Strengthening Preservice Teachers Conceptual Understanding of Linear Algebra by Using the Supplementary Book Integrated with the GeoGebra and Maple Applications Abdillah, Abdillah
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.v8i2.445

Abstract

Strengthening preservice teachers' understanding of the concept of Linear Algebra is a very important and necessary action. This study is a quasi-experiment. Therefore, the treatment was given to the experiment class in the form of The Supplementary Book integrated with the GeoGebra application and to the control class in the form of the Supplementary Book integrated with the Maple application.  This study aims to find out the results of using the supplementary book integrated with the GeoGebra and Maple applications in strengthening the understanding of the concept of linear algebra. A sample of 50 preservice teachers from the Department of Mathematics Education at IAIN Ambon as the Experiment class and 45 preservice teachers from the Department of Mathematics Education at Darussalam University in Ambon as the control class. The research instrument consisted of pretest and posttest questions used to determine the results of strengthening the understanding of preservice teachers' linear algebra concepts and questionnaire instruments used for Intense Continuous Attitude.. The study was started by giving a pre-test, then giving treatment using a supplement book; after that, a post-test and giving a questionnaire were carried out. The average N-Gain Score for the experiment class (GeoGebra integration) was 0.80, while the control class (Maple 18 integration) was 0.78. Significance value Sig. (2-tailed) of 0.839, which indicates that there is no significant difference between the average value of the results of strengthening the ability to understand the concepts of the two classes.
Students' Mathematical Creative Thinking Skills in Solving The System of Two Variable Linear Equations Viewed From Gender Maulida, Jumrotun; Khotimah, Rita Pramujiyanti
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.v8i2.447

Abstract

This study aims to describe students' mathematical creative thinking skills in solving two-variable linear equation system problems. Creative thinking skills used include 4 indicators, namely: 1) fluency, 2) flexibility, 3) originality, and 4) elaboration. This research is a qualitative descriptive study. Data collection techniques used in research are creative thinking tests, interviews, and documentation. The subjects of this study were six students from 8th grade of junior high student 1 Jelai who were selected based on high, medium, and low categorization. Data analysis techniques include data reduction, presentation, and conclusion. Test the validity of the data using technical triangulation. The research results are students in the high category can master the indicators of creative thinking from the four test questions. Students in the medium and low categories have not mastered all indicators of creative thinking on the four test questions. Students in the medium male category were able to master the fluency indicator in the first question, but in the second item they were not able to master the flexibility indicator, and in the third item they were able to master the originality indicator while in the fourth item, they were not able to master the elaboration indicator. Students in the low male category in questions one to three were unable to master the indicators of fluency, flexibility, and originality, while in the fourth item, they were able to master the Elaboration indicator. Students in the female category were able to master the fluency indicator on the first question, originality on the third question, and, elaboration on the fourth question, but on the second question, they were not able to master the flexibility indicator. Students in the low female category were able to master the indicators of fluency in the first question, but in the second, third, and fourth questions, they were not able to master the indicators of flexibility, originality, and elaboration.
The Influence of The Problem-Based Learning Model on The Learning Outcomes of Seventh-Grade Students Junior High School Khalifah, Shela Mardha; Susanta, Agus; Sumardi, Hari; Susanto, Edi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 3 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i3.339

Abstract

Learning outcomes, especially mathematics, are still low both at the international and national levels. The results of the 2021 minimum competency assessment show that student achievement in Indonesia is still low. This requires educators to be more innovative in learning in class so that they can support students' thinking skills. This study aims to determine the effect of the Problem-Based Learning model on the mathematics learning outcomes of seventh-grade students of junior high school number 1 in North Bengkulu. This research is a quasi-experimental type with Nonequivalent Pretest-Posttest Control Group Design. The population in this study were all students of seventh-grade students of junior high school number 1 in North Bengkulu. The sample selection used a simple random sampling technique with class VII D as the experimental class and class VII E as the control class. Data collection was carried out using a test using the research instrument, namely the learning achievement test. Data were analyzed using the t-test statistic. The results showed that there was a significant effect of the problem-based learning model on the social arithmetic learning outcomes of seventh-grade students of Junior High School 1 in North Bengkulu.
Effectiveness of E-Module Literacy Movement Learning Devices to Increasing Mathematical Concept Understanding Ability Sumliyah, Sumliyah; Arwanto, Arwanto; Imanudin, Imanudin
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 3 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i3.380

Abstract

This study aims to determine the effectiveness of the assisted e-module literacy movement learning device software Flipbook Maker html5 type in improving students understanding of mathematical concepts. The background of this research is the low interest in reading, the ability to read and interpret reading and learning in the classroom is more teacher center so that literacy and the ability to understand concepts are rarely trained. This research is a research and development (R&D) method using the ADDIE model (Analyze, Design, Development, Implementation, and Evaluation). This research was conducted at Karya Nasional Sindangwangi Vocational School with research subjects namely class XII students of Motorcycle Engineering Skills Competency. The effectiveness test phase was carried out by students of class XII TSM 2 with a total of 34 students. Data collection techniques using test instruments in the form of questions pretest and posttest then analyzed using descriptive statistics. The results showed that the average value average yield pretest namely 53,82 and the average value of the results posttest ie 82,35. The results of the effectiveness test reached moderate criteria, with a percentage of 62,0483% so that the e-module that had been developed could be said to be "effective enough" to improve students ability to understand mathematical concepts.
Application of Failure Mode and Effect Analysis and Fault Tree Analysis in Determining Prevention Efforts Failure of The Fire Extinguishing Process Melinda, Jessy; Nurshiami, Siti Rahmah; Triyani, Triyani
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 3 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i3.394

Abstract

Banyumas is one of the regencies that still experiences frequent fires. The fire caused physical or material losses. To minimize fire losses, many efforts can be made to prevent the occurrence of these potential causes, which are the cause of the failure of the firefighting process. This study aims to implement the Failure Mode and Effect Analysis (FMEA) and Fault Tree Analysis (FTA) methods in determining efforts to prevent fire suppression failures. The result of the FMEA is Risk Priority Number (RPN) values to assess critical potential causes that need to be analyzed using FTA. In this research, there are ten important causes of potential, namely burned assets, difficult assets to save, victims panicking, witnesses/owners were not present, officers slipping, water sources being far from the location, victims being rescued too late, victims being trapped, officers being hit by debris, and officers inhaled excess smoke (congested). The result FTA obtained eleven minimum cut sets, which can fail the firefighting process in the Banyumas Regency, namely lack of awareness from related agencies, the protection system is not up to the firefighting standard and lack of maintenance of the fire protection system, lack of knowledge about how to evacuate yourself, the water source is far from the location, the owner does not live in the place (location), the victim has responsibility for the assets saved, high-priority asset value, a witness has not reported because the incident is considered to be handled by the residents, fire smoke is thick and firefighters not using self-contained breathing apparatus (SCBA).

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