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MATHEdunesa
Published by Universitas Negeri Surabaya
ISSN : 23019085     EISSN : 26857855     DOI : https://doi.org/10.26740/mathedunesa.v12n1
Core Subject : Education,
Education Mathematics Other
MATHEdunesa is a scientific journal of mathematics education published by the Mathematics Department of Faculty of Mathematics and Natural Sciences of Universitas Negeri Surabaya. MATHEdunesa accepts and publishes research articles and book review in the field of Education, which includes: ✅ Development of learning model ✅ Problem solving, creative thinking, and Mathematics Competencies ✅Realistic mathematics education and contextual learning, ✅Innovation of instructional design ✅Learning media development ✅ Assesment and evaluation in Mathematics education ✅ Desain research in Mathematics Education
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 325 Documents
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Kemampuan Berpikir Analogis Siswa SMP dalam Menyelesaikan Masalah Matematika Elgiyan, Naili Fauziyah; Wijayanti, Pradnyo
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p630-640

Abstract

This study aims to describe students' analogical thinking abilities in solving mathematical problems. The subjects of this study were one fieldindependent cognitive-style student and one junior high school student from class VII.. The instruments used are analogical thinking ability test, and interview . The results of this study show that students in the coding stage did not write down the information in the questions on their answer sheets, however, they were able to explain during interviews. In the conclusion stage, students use methods that they consider easy and have used these methods before. In the mapping stage, students can identify the relationship between the source problem and the target problem during the interview, which can be seen from the similarity of the information known and asked. In the application stage students get conclusions from the solution to the source problem and target problem.
Bagaimana Literasi Matematis Siswa pada Penyelesaian Soal PISA-Like Berdasarkan Tingkat Kecerdasan Logis Matematis? Elyasarikh, Annisa Alvi; Masriyah, Masriyah
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p451-467

Abstract

Mathematical literacy refers to an individual's capacity to think mathematically to formulate, employ, and interpret solutions to real world problems that can be seen through PISA result. In solving PISA problems, one of intelligence that needed is mathematical logical intelligence. Therefore, this study intends to describe the mathematical literacy of students with high or low mathematical logical intelligence in solving PISA-Like problems. This study took a descriptive qualitative approach. The subjects of this research were 2 students with high or low logical intelligence. Data collection was carried out by logical mathematical intelligence test, PISA-Like test, and interviews. This research found that student that has a high level of logical intelligence was capable to explain what was known and asked about the problem, she was capable to design strategies to find mathematical solutions, she was capable to apply mathematical concepts by outlining the steps to find solutions to problems, she was capable to draw the conclusions obtained into the context of question, and she was capable of criticize the solutions to PISA-Like problems. Meanwhile, student that has a low level of mathematical logical intelligence was capable to identify what was known and asked about the problem, she was capable to draw the conclusions obtained into the context of question, but she was quite capable to design strategies to find mathematical solutions, she was quite capable to apply mathematical concepts by outlining the steps to find solutions to problems, and she was less capable to criticize the solutions to PISA-Like problems.
Proses Pemecahan Masalah Matematika Kontekstual Open-Ended Peserta Didik SMP Ditinjau Dari Tipe Kepribadian Haulainy, Dewi Rahmah; Kurniasari, Ika
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p367-385

Abstract

Every student has a different mathematical problem solving process because there are several factors that influence, one of which is personality type. The aims of the research to describe the process of junior high school students in terms of personality type in solving contextual open-ended mathematical problem. The methode of this research is qualitative with the characteristic subjects are personality type sanguine, melancholy, choleric, and phlegmatic. The instrument consisted of personality type questionnaires, test, and interviews. The results showed that at the step of understanding the problem, student with a choleric personality type are less fluent and detailed in explaining the known and asked information. While student with phlegmatic personality type did not write down the known and asked information on the answer sheet at all due to difficulties when converting the information to mathematical form. All four personality types mention the adequacy of information by looking at what is known and asked information. At the step of devising a plan, students with sanguine, melancholy, and phlegmatic personality types explain three stages in detail while student with choleric personality types only explain two stages. At the step of carrying out the plan, student with melancholy personality type can write down more possibilities than other personality types. At the step of looking back, students with sanguine, melancholy, and phlegmatic personality types rechecked the answer by recalculating, while student with choleric personality type did not do that. The four personality types explain conclusions using their own language well but in writing conclusions, student with melancholy personality type do not write them on the answer sheet.
Kegagalan Scaffolding Berpikir Kritis Peserta Didik SMP Secara Kolaboratif dalam Menyelesaikan Masalah Geometri: Studi Kasus Rahmah, Aulia; Rosyidi, Abdul Haris
MATHEdunesa Vol. 13 No. 1 (2024): Jurnal Mathedunesa Volume 13 Nomor 1 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n1.p300-317

Abstract

Diagnosing learners' difficulties in solving math problems is one of the steps in finding and overcoming these learners' difficulties. This qualitative research describes the difficulties of junior high school students in critical thinking and the form of scaffolding provided collaboratively. This research is a case study of two junior high school students who experienced failure in scaffolding. The instrument used was task-based interviews. The task in question is a critical thinking ability test. Data analysis was conducted using four indicators of critical thinking according to Facione: interpretation, analysis, evaluation, and inference. Scaffolding used in this study is scaffolding proposed by Anghileri. The results showed that in the interpretation indicator, students had difficulty explaining what was known and asked in the problem and were given scaffolding reviewing. In the analysis indicator, students have difficulty determining the solution method and the relationship between formulas regarding the height of the triangle and are given scaffolding reviewing and restructuring. In the evaluation indicator, students have difficulty performing calculations and are given scaffolding reviewing. In the inference indicator, students have difficulty drawing conclusions and are given scaffolding reviewing and developing conceptual thinking. The results showed that after being given scaffolding, students still made mistakes again which were caused by the lack of student accuracy and the tendency of students to rush so that they chose a faster but less precise way. Therefore, teachers must provide practice problems continuously so that they can train students' accuracy and students are accustomed to varied solutions
Investigasi Kesalahan Siswa dalam Menyelesaikan Soal Cerita pada Materi Operasi Hitung Bilangan Bulat Possumah, Brazil Vargas Junior; Rofiki, Imam
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p386-395

Abstract

Problem-solving activities in mathematics learning are usually realized through solving word problems. Students' difficulties in solving word problems can lead to errors. This research was conducted with the aim of describing the types of mistakes made by class VII A students of SMP Negeri 1 Dau in solving story questions on integer arithmetic operations using the Newman Error Analysis (NEA) procedure. This research uses a descriptive analysis method. The data collection technique used in this study is the test method. The type of test given is a written test with three word problems in the form of material descriptions on integer arithmetic operations. Based on the results of the analysis, it was found that the mistakes that students often make in solving word problems on integer arithmetic operations are transformation errors (transformation), process skill error (process skill), and errors in writing the final answer (encoding).
Proses Berpikir Siswa dalam Menyelesaikan Masalah Bilangan Berpangkat dan Bentuk Akar Berdasarkan Teori Pemrosesan Informasi Khotimah, Husnul; Sa’dijah, Cholis; Rofiki, Imam; Latifah, Eka Ratna Anjanuarti
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p499-513

Abstract

Information processing theory is a theory that can explain students' thinking processes in problem-solving. Effective problem-solving requires a good thinking process. Thus, exploring students' thinking processes will help in understanding the causes of students' mistakes so that they can be prevented and enhance students' problem-solving eventually. In line with that, this research aims to analyze students' thinking processes in solving powers and root forms problem (in mathematics) based on information processing theory. This case method research with a qualitative approach was carried out at SMP Laboratorium Universitas Negeri Malang (UM) involving two subjects. The findings show that for both student who answer correctly and student who answer incorrectly, the thinking process begins with the entry of stimuli into sensory memory which is then selected through selective attention to obtain perception. The information is then passed to short-term memory. The difference in their thinking processes lies in the retrieval process. The student who answered correctly succeeded in solving the problem correctly even though he experienced a forgotten lost while the student who answered incorrectly experienced misperceptions caused by a forgotten lost which resulted in the strategy execution and the final answer being incorrect.
Analisis Kesalahan Siswa SMP dalam Menyelesaikan Masalah Setara Asesmen Kompetensi Minimum Numerasi dan Bentuk Scaffolding yang Diberikan Fildzah, Natasya Nurhusnina; Masriyah, Masriyah
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p535-549

Abstract

Numeracy is the ability for thinking to use concepts, procedures, facts, and a mathematical tool for explaining many events, problem solving, or retrieving decisions in daily life. The equivalent problem of AKM numeracy description type is the question that equivalent to the minimum assessment of question that developed by government by getting used to critical thinking through the context of daily life that it can not be solved by routine procedures but rather through using the concepts, procedures, facts and mathematical tools to solve problems and their answers are demanding students to express these ideas in the form of written description. This research aims to describe the types of students errors to make problem solving that equivalent to numeracy of AKM, the causal factors, and scaffolding form to minimize these errors. Based on the results of the AKM numeracy test, the researcher choose 3 students of grades of junior high school at SMPN 25 Surabaya as subjects in this research are suitable of established criteria. The data collection technique is carried out by giving tests problems equivalent to AKM numeracy and interviews. Data analysis techniques are carried out based on indicator of student errors. The results obtained in this research are the types of errors made by students include of reading errors, can not read correctly of the words or terms or symbols that contained in the problem and can not read correctly the information contained in the problem, comprehension errors, can not explain correctly about what they know and ask of the problem, and can not explain the problem by using their own words, transformation errors, can not explain the relationship of concepts about problem solving correctly and can not make systematic steps in process of problem solving correctly, process skills errors, can not calculate correctly, can not use mathematical rules correctly, and can not process further solutions correctly of the problem, and encoding errors, can not write the conclusions correctly. Research results shows that students still doing errors to solve the problem that equivalent to AKM numeracy, so they need scaffolding in the form of : questions, instructions, reminders, directions, or encouragement to minimize their errors. The scaffolding is given by researcher adjusted to the errors made by students in completing the test that equivalent to AKM numeration.
Analisis Kemampuan Pemecahan Masalah Siswa dalam Menyelesaikan Soal Ill-Structured Problem Ditinjau dari Kemampuan Matematika pada Materi Aritmatika Sosial Auni, Anggita; Rahaju, Endah Budi
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p468-498

Abstract

This study aims to describe the problem solving ability of students with different mathematical abilities (high, medium, low) in solving ill structured problems of social arithmetic material. This research used a qualitative approach with descriptive research type. For the research subject, the researcher chose three seventh grade students at Labschool Unesa 2 Junior High School with different levels of mathematical ability (high, medium, low) and the same gender. Researchers used math ability tests, problem solving tests, and interviews to collect data. The mathematics ability test data was analyzed based on the range of student ability grouping Ratumanan and Laurens (2006), the problem solving test data was analyzed using Polya's problem solving ability indicators, and the interview data was analyzed using data triangulation (data reduction, data presentation, conclusion drawing). The results show that students with high mathematical ability have analyzed the problem well because students can consider all solutions to the problems given and the assumptions made by students are relevant to real life. Students have also entered the category of good problem solving skills. Meanwhile, students with medium and low mathematics ability have not been able to analyze the problem well because students only think of part of the solution to the problem given and the assumptions made by students are not relevant to real life. Students with moderate mathematical ability fall into the category of fairly good problem solving ability. Then students with low mathematics ability fall into the category of poor problem solving ability. These results can be used as an evaluation in the learning process or a reference for further research.
Tingkat Kemampuan Berpikir Kreatif Siswa SMP dalam Menyelesaikan Mathematical Modelling Problem Ditinjau dari Self Efficacy Antika, Helen Novi; Rahaju, Endah Budi
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p396-419

Abstract

A person's creative thinking ability is graded and can be improved by understanding creative thinking ability and its factors such as self efficacy. The purpose of this study is to describe the level of creative thinking ability of ninth grade students with high, medium, and low self efficacy in solving mathematical modelling problems. This research uses a qualitative approach with descriptive research type. For the research subject, the researcher chose three ninth grade students at Junior High School 4 Pare with different levels of self efficacy (high, medium, low), high mathematical ability, and the same gender. The researcher used self efficacy questionnaire, mathematical ability test, mathematical modeling problem, and interview to collect data. Data in the form of test results were analyzed based on Siswono's level of creative thinking ability and follow-up interviews. The results showed that in the fluency aspect, high self efficacy students could give three correct answers, moderate self efficacy students could give two correct answers, and low self efficacy students only gave one correct answer. The flexibility aspect, the three subjects can provide solutions using different ways. The novelty aspect, high self efficacy students can provide two new solutions while moderate self efficacy students and low self efficacy students produce common solutions. Based on this, high self efficacy students belong to creative thinking ability level 4 (very creative), moderate self efficacy students belong to creative thinking ability level 3 (creative), and low self efficacy students belong to creative thinking ability level 2 (quite creative).
Pengembangan Mobile Learning Application Berbasis Android untuk Mengajarkan Pemodelan Matematika pada Materi Pertidaksamaan Linear Satu Variabel Sugandi, Oktavia Wahyu; Palupi, Evangelista Lus Windyana; Hidayat, Dayat
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p641-659

Abstract

One Variable Linear Inequalities (PtLSV) material is one of the materials in mathematics that is related to real problems. In reality, there are still many students who have difficulty solving PtLSV, especially doing mathematical modeling of PtLSV problems. Mathematical modeling is the process of transforming real problems into the form of a mathematical model. One effort that can support the teaching of mathematical modeling is using learning media in the form of an Android-based mobile learning application. This study aims to describe the process of developing a mobile learning application based on Android to teach mathematical modeling in the PtLSV material and to describe the results of developing a mobile learning application based on Android to teach mathematical modeling in the PtLSV material that are valid, practical, and effective. This research uses the ADDIE development model consisting of 5 stages: Analysis, Design, Development, Implementation, and Evaluation. Research instruments used include validation sheets, student response questionnaires, pre-test, and post-test. This media was validated by three validators consisting of media experts and material experts. Media trials were conducted on seventh-grade students at SMP Negeri 8 Surabaya in one class. Based on the research results, the developed learning media meets the valid criteria based on media experts at 3,65, which falls into the valid category, and material experts at 3,59, which also falls into the valid category. It meets practical criteria based on the response questionnaire at 3,31, which falls into the very good category, and meets effective criteria based on pre-test and post-test with an average N-Gain Score of 0,96, which falls into the high category.

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