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Edumatica: Jurnal Pendidikan Matematika

edumatica
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Published by Universitas Jambi

ISSN : 20882157 EISSN : 25800779 DOI : -

Core Subject : Education,

Mathematics

Edumatica Journal is a journal on mathematics education. The Journal publishes articles of research in mathematics education including teaching and learning, instruction, curriculum development, learning environments, teacher education, educational technology, educational developments, from many kinds of research such as survey, research and development, experimental research, classroom action research, etc.

Arjuna Subject : Matematika - Matematika (Lain-Lain)

Articles 305 Documents

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Analisis Tipe Kesalahan Siswa dalam Menyelesaikan Soal Matematika Berdasarkan Taksonomi Anderson Purnamayanthi, Komang Tri; Suparta, I Nengah; Suweken, Gde
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study analyzed student errors in answering questions with levels C1-C6 based on Anderson's taxonomy on the topic of a three-variable system of linear equations. The research was conducted with a descriptive qualitative approach in which the data were collected through test and interviews by taking 30 tenth grade students at Santo Joseph Senior High School Denpasar as the subjects. Students were given 6 math problems, which were then analyzed for errors and followed by interviewing students to find the cause of their errors. The results of the percentage of student errors based on the type of error were incomplete answers at 46.8%, technical errors at 25.5%, errors in understanding the previous material at 16.6%, language misinterpretation at 5.5%, data misuse at 4.5%, and unverified solutions at 1.1%. From the results of the interviews, it was found that the causes of the errors were poor time management, low motivation to try to solve problems, not understanding the problem, not doing re-examination, being careless, errors in assuming that occurred due to students' spontaneous thinking without examining the meaning of the problem, students did not understand the concept that was related to procedures in solving problems, and less attention to the results of the answers made. The results indicated that there were errors at each level, especially at higher levels which have an impact on the need to increase practice questions at levels C4, C5, and C6 so that the students' understanding is better and the motivation to solve the problems given is increased.

Komunikasi Matematis Siswa melalui Pembelajaran Berbantuan Modul Digital Daring Pramuditya, Surya Amami; Khodijah, Atina Sabila; Asnawati, Sri
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Mathematical communication is one of the mathematical abilities that need to be mastered by students because mathematical communication has an important role in linking ideas and abstract language with mathematical symbols. Meanwhile, digital modules based on several previous studies are considered practical and can improve mathematics learning outcomes. Therefore, the online digital module was used as a supporting medium in this research. This study aims to describe the profile of students' mathematical communication skills through online digital module-assisted learning. The approach used is a qualitative approach with a descriptive method. The subjects in this study were grade IX students from one of the public junior high schools in Majalengka Regency as many as three people with better cognitive abilities than other students. The instruments used are tests and interview guidelines. The results of the study: (1) S-1 has high mathematical communication skills capable of fulfilling 5 of 6 sub-indicators; (2) S-2 has moderate mathematical communication skills and can fulfill 3 of the 6 sub-indicators; (3) S-3 has low mathematical communication skills and can fulfill 3 of the 6 sub-indicators with more errors in completion. The conclusion is that students can communicate their ideas based on things they have understood from the module such as ideas for solving SPLTV problems and the steps for solving them.

Pengembangan KOMIKA-SAVI Berkonteks Kota Jambi pada Materi Aritmetika Sosial Harmini, Ani; Asikin, Mohammad; Suyitno, Amin
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

One strategy to provide innovation in learning is the development of learning media. This study aims to develop the KOMIKA-SAVI media in the context of the city of Jambi on social arithmetic material that is valid and feasible to use. This type of research is Research and Development (RnD) with the ADDIE method. The stages of the ADDIE method consist of analyze, design, develop, implement, and evaluate. The research subjects were 6 students of SMPN 12 Muaro Jambi. Media validation was assessed by media expert lecturers and material experts, as well as teachers. The research instrument was a media and material validation sheet, along with a research trial questionnaire. The results showed that the assessment of the media expert validators with an average (R) = 4.6 and material experts who gave an assessment with an average (R) = 4.5 from the assessment range of 1.00 R < 5.00 which means the media is valid. The results of student respones in the research trial got good media quality with an average positive student respone of 90.67%. So it can be concluded that the media is valid and feasible to use.

Transisi Representasi Simbolik-Pictorial dalam Menyelesaikan Masalah Matematika Fatqurhohman, Fatqurhohman; Susetyo, Agus Milu
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

The purpose of this study is to describe the transition process of symbolic-pictorial representation in solving mathematical problems. Data collection is done by giving written questions which are then followed by structured interviews. The subjects in this study involved seventh grade students who were selected with the consideration that the answers could provide a representations transition process. The results of this study indicate two representations transition processes, namely pictorial to symbolic and symbolic to pictorial. The pictorial-symbolic representation, starting with translating the problem information into the form of an image illustration through the difference in size and number of cakes, integrating the illustrations made through calculations by partitioning them into several equal parts using cutting lines as a modification/simplification process. Symbolic-pictorial representation, shown by finding the key to the problem "cakes are given evenly to 20 people" and translating the information into the form of calculations, then transforms by simplifying the calculation results based on the problem key, the results are translated into an illustrated circle-shaped image which is modified by partitioning it into several parts. The representation relationship shown through the form of symbolic calculations with picture illustrations has the same solution or not. Thus, the difference in the transition process of this representation is in the integration and translation stages of transformation and modification through changing physical forms (illustration of images) and symbols (calculations).

Analisis Kemampuan Pemecahan Masalah Matematis Siswa SMA Kelas XI SMAN 1 Bangkinang Kota Ditinjau dari Gaya Belajar Syahril, Ravina Faradilla; Maimunah, Maimunah; Roza, Yenita
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study aims to describe the mathematical problem solving ability of students and the relationship between KPMM and student learning styles, especially on the material of the Three Variable Linear Equation System. This research uses mixed methods, combining quantitative and qualitative research. The subjects in this study were students of class XI of SMAN 1 Bangkinang Kota for the academic year 2021-2022 as many as 20 people. The instrument used is a mathematical problem solving ability test which consists of 5 items with 4 KPMM indicators according to Polya and a student learning style questionnaire. The results of this study indicate that the problem solving ability of students on the indicator of understanding the problem is at a very low criterion with a percentage of 40% indicator, the indicator of planning problem solving is at a very low criterion with a percentage of 36%, the indicator of completing a problem solving plan is at a very low criterion with a percentage 36% and indicators interpret the results obtained are in very low criteria with a percentage of 22%. Mathematical problem solving ability has nothing to do with the learning style possessed by students. Every student with any learning style has the same tendency to solve problems. Based on the results of the study, it shows that students are not accustomed to working on non-routine questions such as problem solving questions, so students need to get used to working on non-routine questions, especially those that can train students' problem solving skills.

Peningkatan Kemampuan Siswa dalam Menyelesaikan Masalah Matematika dengan Pembelajaran Daring Asinkronus dan Sinkronus mairing, jackson Pasini; Rezeki, Maulida; Aritonang, Henry; Lada, Elyasib Yunas; Langkis, Langkis
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Online learning during the Covid-19 pandemic experienced various obstacles, especially on quotas, internet signals, and unsatisfactory learning outcomes. This research was aimed to improve the ability of 7th grade junior high school students in solving mathematics problems through asynchronous and synchronous approaches using learning videos, student worksheets and mathematics problems. This research was classified as class action research. The research subjects were 14 of 7th grade students from a public junior high school located on the suburb of Palangka Raya city, Central Kalimantan in the 2021/2022 academic year. The research was carried out in two cycles where the stages of each cycle were planning, implementating, observing and reflecting. The research instruments were lesson plans, mathematics problems, student worksheets, videos, pre- quizzes and end-of-cycle tests. The results of first cycle showed that average of the students' score was 7,1 (scale of 0-16) which 5 of 14 students (35,7%) sgot score at least 2 (scale of 0-4) in each problem. At second cycle, average of the students' score was 10.4 and all students got score at least 2 in each problem. Thus, the online learning in this research was able to improve students' ability to solve mathematics problems.

Kesulitan Siswa dalam Pemecahan Masalah Soal Cerita Matematika Dilihat dari Adversity Quotient (AQ) Bruno, Antonius; Qohar, Abd.; Susanto, Hery; Permadi, Hendro
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Problem solving is one of the main goals in learning mathematics and can be realized in solving story problems. The purpose of this study is to describe the difficulties of climbers, campers and quitters' students in solving mathematical problems in the form of story questions based on Polya's steps. This research uses qualitative research with a case study approach design. The instrument is the researcher himself and the supporting instruments are questionnaires, problem solving test instruments and interviews. The population in this study were students of SMPK Mardi Wiyata Malang class VIII B which were taken 6 subjects (2 Climber students, 2 Camper students and 2 Quitter students) based on the results of Adversity Response Profile (ARP) questionnaire data. The results in this study consist of the difficulty of climber students in solving problem solving, namely the difficulty in solving problems and making conclusions from the problems that have been solved. Camper students' difficulties in solving problem solving are difficulties in planning problem solving strategies, problems solving and drawing conclusions from the problems given. The difficulty of quitter students in solving problem solving is the difficulty of students in understanding problems, planning solutions, making solutions and drawing conclusions from the problems given. Based on the findings, students with the quitter category have the lowest ability in the problem-solving process. Therefore, further research is needed to increase the motivation and interest in learning of students belonging to the quitter category.

Kesalahan Siswa Menyelesaikan Soal Pola Bilangan, Barisan, dan Deret Tipe HOTS Berdasarkan Teori Newman Ditinjau dari Gender Siagian, Qania Agustika; Herman, Tatang; Darhim, Darhim; Khairunnisa, Khairunnisa
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study aims to analyze the errors of students with HOTS abilities at high, medium and low levels and identify student errors in solving HOTS (Higher Order Thinking Skill) type questions in terms of gender. This type of research is qualitative with a case study approach. The research subjects were selected 3 male students and 3 female students, each of which the HOTS ability level was high, medium and low consisting of 2 students. Data collection techniques used HOTS-type tests and interviews. The analytical framework was developed based on Newman's theory of error categories. The data obtained were tested for validity through credibility, transferability, dependability, and confirmability tests. The results showed several differences in the types and percentages of errors made by male and female subjects in solving HOTS-type questions. The biggest mistakes made by both genders in the material of number patterns, sequences, and series are misunderstandings of 33.33%, followed by errors in determining the final answer of 23.02%, transformation errors of 22.22%, errors in the completion process of 20.63%, and finally, reading errors of 0.79%. It can be seen that the female gender makes more mistakes by 57.14% compared to the male gender by 41.86%.

Kajian Learning Obstacle pada Topik Keliling Segiempat Ditinjau dari Literasi Matematis PISA 2021 Nabila, Deka Nisa; Sudihartinih, Eyus; Sumiaty, Encum
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This research aims to obtain the learning obstacle on the topic of rectangular circumference in terms of Mathematical literacy PISA 2021. This research method is qualitative with a DDR (Didactical Design Research) approach, only at the learning obstacle study stage. Instruments for studying learning obstacles are designed based on PISA 2021 Mathematical literacy. Students' ability to conceptualize the perimeter of a quadrilateral will greatly influence subsequent learning, especially for solving the next topic problem. The participants of this study were six students in one of the private junior high schools in the city of Bandung. Participant 1 (P1) is a class VIII student, the other five participants (P1, P2, P3, P4, P5) are class IX students. The collection technique is done through tests, interviews, and documentation. Based on the study results, it was concluded that there were still some students who did not understand the concept of the perimeter of a quadrilateral in terms of mathematical literacy by PISA 2021. It was known that there were three learning obstacles, namely the connection of the concept of the perimeter of a rectangle with everyday life the ability of students to conceptualize the perimeter of a rectangle related to everyday problems. Days, and Use the formula for the perimeter of a quadrilateral.

Analisis Proses Berpikir Matematis Siswa dalam Menyelesaikan Soal Pemecahan Masalah Matematika Khairunnisa, Khairunnisa; Herman, Tatang; Juandi, Dadang; Siagian, Qania Agustika
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Mathematics learning activities in schools tend to emphasize students to be able to solve problems with existing formulas. Likewise, teachers who pay less attention to and practice various problem-solving strategies. Thus, students are less able to express their thinking processes. This study aims to determine the students' mathematical thinking processes in solving mathematical problem-solving problems given. This type of research is descriptive qualitative with research subjects consisting of 6 students of class X Social Sciences SMA Islam Plus Adzkia Medan selected by purposive sampling method. The data collection technique was carried out using research instruments in the form of a description test which amounted to 3 questions and interviews. The results showed that the thinking processes used by students in solving problems were different. There are several problem-solving strategies used by students as a form of their thinking process. In the first question, there are three strategies used by students, namely act it out (conducting experiments), logical thinking, and different points of view. In the second question, all students used the strategy of registering all the possible answers that were explained directly or using the strategy of making tables. For the third question, there are two thinking strategies, namely by using formulas and strategies to find patterns. However, it was also found that there were still students who had inappropriate thinking processes.

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Contact Name Khairul Anwar

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Editorial Address Mathematics Education Studies Program Faculty of Teacher Training and Education Jambi University Jl. Jambi-Ma.Bulian Km 15 Mendalo Darat, Jambi

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Contact Name
Khairul Anwar

Contact Email
mathanwar@unja.ac.id

Phone
+6285273944759

Journal Mail Official
mathanwar@unja.ac.id

Editorial Address
Mathematics Education Studies Program Faculty of Teacher Training and Education Jambi University Jl. Jambi-Ma.Bulian Km 15 Mendalo Darat, Jambi

Location
Kota jambi,

Jambi

INDONESIA