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EDU-MAT: Jurnal Pendidikan Matematika
Published by Universitas Lambung Mangkurat
ISSN : 23382759     EISSN : 25979051     DOI : http://dx.doi.org/10.20527
Core Subject : Education,
Education Mathematics
EDU-MAT adalah jurnal yang didirikan pada tahun 2013 di Program Studi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan Universitas Lambung Mangkurat. EDU-MAT merupakan kumpulan artikel hasil penelitian maupun kajian dosen, peneliti, guru, maupun mahasiswa di bidang pendidikan matematika yang belum pernah dimuat/diterbitkan di media lain. EDU-MAT diterbitkan oleh Program Studi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan Universitas Lambung Mangkurat yang terbit 2 kali dalam setahun, yaitu pada bulan April dan Oktober
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Articles 391 Documents
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ANALISIS KEBUTUHAN LEMBAR KERJA DIGITAL BERBASIS DISCOVERY LEARNING DAN BERORIENTASI KEMAMPUAN BERPIKIR KRITIS Susanto, Doni; Andriyani, Andriyani
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.19061

Abstract

Penelitian ini bertujuan untuk mendeskipsikan kebutuhan perangkat pendukung pembelajaran trigonometri yang berbasis digital dan berorientasi kemampuan berpikir kritis. Subjek penelitian ini terdiri dari 25 siswa kelas X di SMA Muhammadiyah 1 Prambanan. Metode penelitian yang digunakan dalam penelitian ini adalah deskriptif kualitatif dengan instrumen pengumpulan berupa angket respon dan lembar pedoman wawancara.  Hasil penelitian menunjukkan bahwa (1) capaian kemampuan berpikir kritis siswa masih rendah sehingga diperlukan perangkat pendukung pembelajaran; (2) model pembelajaran masih konvensional dan belum berorientasi pada kemampuan berpikir kritis; (3) siswa seringkali melakukan kesalahan dalam penyelesaian masalah trigonometri karena tidak terlatih dengan penugasan; (4) mayoritas siswa memiliki smartphone yang penggunaannya tidak mendukung pembelajarannya; (6) mayoritas siswa menginginkan perangkat digital dalam pembelajaran trigonometri. Kata kunci: kebutuhan, lembar kerja, Android, Discovery Learning, berpikir kritis Abstract: This research aims to describe the need for digital-based and critical thinking ability-oriented trigonometry learning support devices. The subjects of this research consisted of 25 class tenth students at SMA Muhammadiyah 1 Prambanan. The research method used in this research is descriptive qualitative with collection instruments in the form of response questionnaires and interview guide sheets. The results of the research show that (1) students' critical thinking skills are still low, so learning support devices are needed; (2) the learning model is still conventional and not yet oriented towards critical thinking skills; (3) students often make mistakes in solving trigonometry problems because they are not trained in assignments; (4) the majority of students have smartphones whose use does not support their learning; (6) the majority of students want digital devices in learning trigonometry.  Keywords: need, worksheets, Android, Discovery Learning, critical thinking.
ENHANCING MATHEMATICAL CREATIVE THINKING ABILITY: EXPERIMENTATION WITH REALISTIC MATHEMATICS EDUCATION BY EMBEDDING ICE BREAKING IN JUNIOR HIGH SCHOOL Ramadhanta, Sury Adellia; Simamora, Rustam Effendy; Susanti, Dwi
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.18693

Abstract

The effectiveness of Realistic Mathematics Education (RME) in improving students' mathematical abilities has been examined through various research. Meanwhile, the use of ice-breaking (Ib), considered by experts and educational researchers as a highly beneficial tactic for improving learning effectiveness, had yet to be fully explored in the context of integration with RME. The study aimed to examine the effectiveness of Ib-RME (RME integrating Ib) in enhancing students' mathematical creative thinking abilities (MCTA) at SMPN 14 Tarakan, Indonesia. Involving 64 seventh-grade students in a quasi-experimental design, the experimental group adopted the Ib-RME approach. In contrast, the control group followed the conventional teaching method employed by mathematics teachers in the class, including ice-breaking activities as normally implemented in the classroom setting. Data analysis using t-tests revealed a significant improvement in MCTA in the Ib-RME group, confirming the effectiveness of this approach. The research noted that conventional teaching also enhanced MCTA, although to a lesser extent than Ib-RME. These findings contributed to understanding the potential integration between RME and Ib in improving Mathematics learning outcomes, particularly in developing MCTA. The implications could serve as a basis for the development of innovative and effective teaching approaches in the mathematics education. Keywords: conventional learning, ice-breaking, mathematical creative thinking ability, realistic mathematics education, school mathematics.
GESTURE KOLABORATIF SISWA DALAM DISKUSI KELOMPOK MENYELESAIKAN MASALAH MATEMATIKA DITINJAU DARI TEORI PEMOSISIAN Elvierayani, Rivatul Ridho; Sustyorini, Emalia Nova; Hanifah, Ayu Ismi; Titin, Titin
EDU-MAT: Jurnal Pendidikan Matematika Vol 11, No 2 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v11i2.16968

Abstract

Penelitian ini bertujuan untuk mendeskripsikan gesture kolaboratif siswa selama menyelesaikan masalah secara kelompok ditinjau dari teori pemosisian siswa. Subjek penelitian ini adalah siswa kelas VI SDN, Tikung, Lamongan. Subjek penelitian adalah sekelompok siswa yang terdiri dari lima siswa dengan posisi sebagai ahli, fasilitator dan pemula. Metode penelitian yang digunakan adalah metode penelitian kualitatif dengan jenis penelitan desktriptif-eksploratif. Subjek penelitian ditentukan dengan membagi siswa kelas VI secara heterogen menjadi tiga kelompok yang beranggotakan lima siswa. Selanjutnya subjek terpilih adalah satu kelompok dengan produksi gesture yang digunakan bervariasi. Teori pemosisian menunjukkan bagaimana siswa menentukan posisi mereka selama diskusi menyelesaikan masalah matematika. Hasil penelitian diperoleh bahwa siswa pemula tidak banyak melakukan gesture kolaboratif. Siswa pemula hanya melakukan gesture kolaboratif berbentuk gesture bersama sebagai bagian dari apa yang mereka pahami dan sebagai keterlibatan mereka selama berinteraksi dalam kelompok. Sedangkan siswa ahli lebih banyak menggunakan gesture kolaboratif yang digunakan untuk mengungkapkan ide maupun rencana selesaian yang ada di pikirkan mereka kepada rekannya baik itu fasilitator maupun pemula. Siswa ahli memainkan peranan penting dalam diskusi kelompok untuk menarik siswa lain terlibat aktif dalam menyelesaikan masalah. Gesture siswa fasilitator dalam bentuk alternatif dan pengalihan pada penyelesaian masalah secara kelompok digunakan bagi siswa ahli saat terjadi kesalahan pemahaman di awal penyelesaian masalah, sehingga rencana penyelesaian masalah dapat dilakukan dengan tepat.  Kata kunci: gesture, gesture kolaboratif, diskusi kelompok, pemosisian siswa Abstract: This study aims to describe students' collaborative gestures while solving problems in groups in terms of student positioning theory. The subjects of this research were the sixth grade students of SDN, Tikung, Lamongan. The research subjects were a group of students consisting of five students with positions as experts, facilitators and beginners. The research method used is a qualitative research method with a descriptive-explorative research type. Research subjects were determined by heterogeneously dividing class VI students into three groups of five students. Furthermore, the selected subject is a group with varied gesture productionPositioning theory shows how students determine their position during discussions to solve math problems. The results of the study showed that novice students did not make many collaborative gestures. Beginner students only make collaborative gestures in the form of joint gestures as part of what they understand and as their involvement while interacting in groups. Meanwhile, expert students use more collaborative gestures to express ideas and plans for completion that they have in mind to their colleagues, both facilitators and beginners. Expert students play an important role in group discussions to attract other students to be actively involved in solving problems. Facilitator student gestures in alternative forms and diversions to group problem solving are used for expert students when an misunderstanding occurs at the beginning of problem solving, so that problem solving plans can be carried out appropriately. Keywords: gesture, collaborative gesture, group discussion, student positioning
PENGEMBANGAN PERANGKAT PEMBELAJARAN DIGITAL BERBASIS DISCOVERY LEARNING PADA MATERI TRANSFORMASI GEOMETRI KELAS XI Laili, Zahratul; Sukmawati, R Ati; Kamaliyah, Kamaliyah
EDU-MAT: Jurnal Pendidikan Matematika Vol 11, No 2 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v11i2.15828

Abstract

Ketersediaan komputer/laptop dan diijinkannya peserta didik menggunakan smarthphone di sekolah menengah atas (SMA) dapat dimanfaatkan guru untuk merancang pembelajaran yang menarik, melalui pembuatan perangkat pembelajaran digital. Menghasilkan perangkat pembelajaran digital berbasis discovery learning pada materi transformasi geometri yang valid, praktis, dan efektif menjadi target utama dari penelitian ini. Model four-D adalah model yang diterapkan untuk penelitian ini, dengan membatasi hanya 3 tahap, yaitu tahap define, design, dan develop. Subjek uji coba penelitian terdiri dari 35 peserta didik kelas XI MIPA 2 dan XI MIPA 3 SMA Negeri 3 Banjarmasin. Instrumen pengumpulan data menggunakan lembar validasi, lembar angket respons peserta didik, dan lembar tes hasil belajar peserta didik. Hasil pengembangan berupa perangkat pembelajaran yang terdiri dari media pembelajaran, bahan ajar, lembar kerja peserta didik (LKPD), dan evaluasi. Secara keseluruhan perangkat pembelajaran dibuat menggunakan geogebra book. Untuk media pembelajaran digunakan tambahan aplikasi google slide. Hasil analisis menunjukkan perangkat pembelajaran digital berbasis discovery learning pada materi transformasi geometri untuk peserta didik kelas XI yang dikembangkan ini memenuhi kriteria valid, praktis, dan efektif. Hasil penelitian pengembangan ini menunjukkan produk layak digunakan untuk kegiatan belajar.  Kata Kunci: Pengembangan, perangkat pembelajaran digital, discovery learning, transformasi geometri Abstract: The availability of computers/laptops and the ability of students to use smartphones at senior high schools can be utilized by teachers to make learning interesting, through the creation of digital learning devices. Producing discovery learning-based digital devices on geometry transformation which are in valid, practice, and effective is the main target of the research. The four-D model is the applied for the research, by limiting only 3 phases, defined, designed, and developed. The research trial subjects are 35 students from grade XI MIPA 2 and XI MIPA 3 of State Senior High School 3 Banjarmasin. Data collection instruments used validation sheets, student response questionnaire sheets, and student learning outcomes test sheets. The results of the development consist of learning media, learning materials, the worksheets, and evaluations. Overall, learning devices are made using Geogebra book. For learning media used additional google slide applications. Analysis results show that discovery learning-based digital devices on geometry transformation for grade XI students that are developed meet current valid, practice, and effective criteria. Therefore, the results of this development research state that the products are feasible to use for learning activities. Keywords: Development, digital learning device, discovery learning, geometry transformation
PROFIL PENALARAN ANALOGI SISWA DALAM MEMECAHKAN MASALAH TRIGONOMETRI DITINJAU DARI ADVERSITY QUOTIENT Pratama, Buana Elok; Abdussakir, Abdussakir
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.18611

Abstract

Salah satu jenis penalaran yang memegang peranan penting dalam pembelajaran matematika adalah penalaran analogi. Salah satu manfaat yang diperoleh siswa ketika menggunakan penalaran analogi dalam pembelajaran matematika adalah meningkatnya kreativitas dalam menyelesaikan dan memecahkan masalah. Analogi dilakukan dengan mencari kemiripan penyelesaian dari dua masalah matematika. Oleh karena itu, penelitian yang berkaitan tentang profil penalaran analogi siswa sangat diperlukan untuk memperoleh deskripsi pada setiap tahap penalaran analogi yang dilakukan oleh siswa. Tujuan dari penelitian ini adalah mendeskripsikan profil penalaran analogi siswa dalam memecahkan masalah trigonometri dengan adversity quotient sebagai peninjaunya. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan enam siswa sebagai subjek. Enam siswa tersebut merupakan siswa kelas XI MIPA SMA Negeri 1 Purwosari yang memiliki 3 AQ berbeda dengan masing-masing 2 siswa pada setiap tipe. Data dikumpulkan menggunakan tiga instrumen, yakni lembar angket ARP, lembar tes penalaran analogi, dan pedoman wawancara. Proses analisis data ini terdiri atas reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian ini menunjukkan bahwa terdapat perbedaan profil penalaran analogi siswa pada setiap tipe AQ. Siswa climber dapat melakukan semua tahapan penalaran analogi yang disusun oleh Sternberg. Siswa camper dapat melakukan tahap encoding dan memenuhi satu indikator pada tahap inferring. Siswa quitter hanya dapat melakukan tahap encoding. Kata kunci: penalaran analogi, pemecahan masalah, adversity quotient Abstract: One type of reasoning that plays an important role in learning mathematics is analogical reasoning. One of the benefits that students gain when using analogical reasoning in learning mathematics is increased creativity in resolving and solving problems. Analogy is achieved by identifying similarities in the solutions of two mathematical problems. Therefore, research related to students' analogical reasoning profiles is very necessary to obtain descriptions of each stage of analogical reasoning carried out by students. The aim of this research is to describe students' analogical reasoning profiles in solving trigonometry problems with the adversity quotient as the observer. This research used a descriptive qualitative approach with six students as subjects. The six students are class XI MIPA students at SMA Negeri 1 Purwosari, each with three different AQs, with two students in each category. Data were collected using three instruments: the ARP questionnaire sheet, analogical reasoning test sheet, and interview guide. The data analysis process consists of data reduction, data presentation, and drawing conclusions. The results of this research indicate that there are differences in the analogical reasoning profiles of students in each type of AQ. Climber students can carry out all the stages of analogical reasoning as compiled by Sternberg. Camper students can carry out the encoding stage and fulfill one indicator at the inferring stage. Quitter students can only carry out the encoding stage. Keywords: analogical reasoning, problem solving, adversity quotient
THE EFFECT OF LEARNING MOTIVATION TOWARDS STUDENTS’ MATHEMATICS PROBLEM-SOLVING ABILITY: META-ANALYSIS CORRELATIONAL STUDY Arili, Neza Zakiya; Turmudi, Turmudi; Dasari, Dadan
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.16556

Abstract

Studies emphasize that learning motivation is one of the primary elements that affect the achievement of learning objectives and at the same time, influences the skill of mathematical problem-solving. Research on the correlation between mathematical problem-solving and learning motivation despite numerous attempts at solutions, the correlation value is heterogeneous, making it inconsistent. This study aims to summarize the effect-size values obtained based on the main research through the correlation meta-analysis method. The literature data collection technique used the Google Scholar database which was selected using the inclusion criteria. Primary studies that fit the criteria consisted of 20 studies published in journals, proceedings, and theses from 2016 to 2022. Three steps of data analysis, including publication bias research, random or fixed effect models, and statistical hypothesis testing, were conducted using the Jeffreys Amazing Statistics Program (JASP) program. The results of the study show that there is a positive influence of learning motivation on students' mathematical problem-solving abilities at the elementary, middle, and high school levels in Indonesia in the moderate category (r = 0,56; p < 0,01). The results of this study suggest educators to further optimize students' learning motivation because learning motivation influences the level of students' mathematical problem-solving ability. Keywords:  Learning motivation, mathematical problem-solving, problem-solving, meta-analysis
STUDI IMPLEMENTASI MODEL PEMBELAJARAN PROJECT BASED LEARNING DALAM PENERAPAN KURIKULUM MERDEKA TERHADAP PEMBELAJARAN MATEMATIKA DI SMA NEGERI 8 BANJARMASIN Wulandari, Ananda Putri; Zulkarnain, Iskandar; Noorbaiti, Rahmita
EDU-MAT: Jurnal Pendidikan Matematika Vol 11, No 2 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v11i2.16234

Abstract

Model Project Based Learning (PjBL) merupakan salah satu model yang dianjurkan untuk diterapkan pada Kurikulum Merdeka. Model ini mengacu pada metode instruksional berbasis inkuiri yang melibatkan siswa dalam konstruksi pengetahuan dengan memberikan proyek dan mengembangkan produk pembelajaran. Tujuan penelitian ini adalah untuk mengetahui aktivitas siswa, respon siswa dan kendala pada implementasi model pembelajaran Project Based Learning dalam Kurikulum Merdeka terhadap pembelajaran matematika di SMA Negeri 8 Banjarmasin. Penelitian ini menggunakan jenis penelitian deskriptif dengan metode penelitian gabungan (mixed methods) antara metode kuantitatif dan kualitatif. Instrumen penelitian ini terdiri dari lembar observasi, angket respon siswa dan pedoman wawancara. Teknik pengumpulan data yang digunakan dalam penelitian ini adalah observasi, angket, wawancara dan dokumentasi. Hasil penelitian menunjukkan bahwa: (1) Aktivitas siswa pada implemetasi model Project Based Learning terhadap Kurikulum Merdeka termasuk pada kriteria sangat baik. (2) Respon siswa terhadap model Project Based Learning telah memenuhi kriteria respon positif yaitu 91%. (3) Kendala yang terdapat pada implemetasi model Project Based Learning adalah kesulitan terhadap materi prasyarat, membutuhkan banyak waktu untuk menyelesaikan proyek serta memerlukan fasilitas, alat dan bahan yang mendukung. Kata kunci: Kurikulum Merdeka, Project Based Learning, Pembelajaran Matematika. Abstract: Project Baesd Learning (PjBL) Model is one of the recommended models to be applied to the Merdeka Curriculum. This model refers to an inquiry-based instructional method that engages students in knowledge construction by providing projects and developing learning products. The purpose of this study was to find out student activity, student responses and obstacles on the application of the Project Based Learning model in Merdeka Curriculum towards learning mathematics at SMA Negeri 8 Banjarmasin. This research is a descriptive research type with a combined research method (mixed methods) between quantitative and qualitative methods. The research instruments consisted of observation sheets, student response questionnaires and interview guidelines. The data collection techniques used in this research were observation, questionnaire, interview and documentation. The results showed that: (1) Student activity in implementing the Project Based Learning model of the Merdeka Curriculum is included in the very good criteria. (2) Student responses to the Project Based Learning model has met the positive response criteria of 91%. (3) Obstacles found in the implementation of Project Based Learning model are difficulties in prerequisite material, taking a lot of time to complete the project and requiring adequate facilities, tools and materials.Keywords: Merdeka Curriculum, Project Based Learning, Mathematics Learning.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL CERITA BERDASARKAN KRITERIA WATSON DITINJAU DARI PERBEDAAN GENDER Hidayanto, Erry; Anggraini, Arika Dewi
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.18665

Abstract

Tujuan dilakukannya penelitian ini adalah untuk mendeskripsikan jenis kesalahan dan penyebab kesalahan siswa dalam menyelesaikan soal cerita materi program linear berdasarkan kriteria Watson ditinjau dari perbedaan gender. Penelitian ini menggunakan pendekatan kualitatif dan jenis penelitian deskriptif. Penelitian ini dilakukan di SMA Surya Buana Malang pada semester ganjil tahun ajaran 2022/2023. Subjek dalam penelitian ini adalah siswa kelas XI yang berjumlah 4 siswa terdiri dari 2 siswa laki-laki dan 2 siswa perempuan. Teknik pengumpulan data yang digunakan adalah tes tertulis dan wawancara. Hasil penelitian menunjukkan bahwa siswa laki-laki melakukan kesalahan data tidak tepat, data hilang, dan kesimpulan hilang. Beberapa penyebab kesalahan pada siswa laki-laki antara lain yaitu terburu-buru, lupa, dan kehabisan waktu. Sedangkan siswa perempuan melakukan kesalahan data tidak tepat, prosedur tidak tepat, konflik level respon, manipulasi tidak langsung, dan masalah hirarki keterampilan. Beberapa penyebab kesalahan pada siswa perempuan antara lain yaitu bingung, tidak paham maksud soal, dan asal-asalan dalam menjawab. Kata kunci: Analisis Kesalahan, Soal Cerita, Program Linear, Kriteria Watson, Perbedaan Gender Abstract: The purpose of this study was to describe the types of errors and the causes of student errors in solving word problems of linear program material based on Watson's criteria in terms of gender differences. This study uses a qualitative approach and descriptive research type. This research was conducted at SMA Surya Buana Malang in the odd semester of the 2022/2023 school year. The subjects in this study were students of class XI, which consisted of 4 students consisting of 2 male students and 2 female students. Data collection techniques used were written tests and interviews. The results showed that male students made errors in innaproriate data, omitted data, and omitted conclusion. Some of the causes of errors in male students include being in a hurry, forgetting, and running out of time. Meanwhile, female students made errors in inappropriate data, innaproriate procedure, respone level conflict, undirected manipulation, and skill hierarchy problem. Some of the causes of errors in female students include confusion, not understanding the meaning of the questions, and careless answers.Keywords: Error Analysis, Word Problems, Linear Program, Watson’s Criteria, Gender Differences.
KESULITAN SISWA DALAM MENYELESAIKAN SOAL AKM PADA KONTEN DOMAIN DATA DAN KETIDAKPASTIAN Akhidayati, Ria Risyandani; Purwanto, Purwanto; Rahardi, Rustanto
EDU-MAT: Jurnal Pendidikan Matematika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v12i1.17052

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kesulitan siswa dalam mengerjakan soal Asesmen kompetensi minimum (AKM) pada domain data dan ketidakpastian. Penelitian ini merupakan penelitian kualitatif dengan jenis penelitian deskriptif. Subjek penelitian ini ada dua siswa dari 31 siswa siswa di SMP Plus Hidayatul Mubtadiin. Instrument yang digunakan adalah soal AKM. Analisis data dilakukan sesuai dengan proses pemecahan masalah pada OECD yaitu merumuskan masalah (formulate), menerapkan (employ), dan menafsirkan dan mengevaluasi (interpret and evaluate). Hasil penelitian yaitu, bahwa 1) pada proses merumuskan, siswa mengalami kesulitan dalam memahami masalah sehingga mengalami kesulitan juga dalam mengidentifikasi informasi yang relevan pada soal AKM, 2) pada proses menerapkan, siswa mengalami kesulitan dalam menerapkan konsep matematika sehingga kesulitan dalam menuliskan langkah-langkah penyelesaian pada soal AKM, 3) pada proses menafsirkan, siswa tidak  menarik kesimpulan dari pemecahan masalah yang diberikan ke dalam konteks nyata karena kurang terbiasa..Kata kunci: kesulitan, AKM, data dan ketidakpastian. Abstract:This study aims to describe students' difficulties in working on Minimum Competency Assessment questions in the data and uncertainty domain. This research is a qualitative research with a descriptive research type. The subjects of this study were two students from 31 students of SMP Plus Hidayatul Mubtadiin. The instrument used was the Minimum Competency Assessment questions. Data analysis is performed in accordance with the problem solving proces in OECD that is formulate, employ, interpred and evaluate. The results of the research are, that 1) in the process of formulating, students have difficulty understanding the problem so they have difficulty also in identifying relevant information on Minimum Competency Assessment questions, 2) in the process of applying, students have difficulty in applying mathematical concepts so that it is difficult in writing down the steps completion of Minimum Competency Assessment questions, 3) in the process of interpreting, students do not draw conclusions from problem solving given in real contexts because they are not used to it. Keywords: difficulty, Minimum Competency Assessment, data and uncertainty
ANALISIS KESALAHAN MAHASISWA PGSD DALAM MEMECAHKAN MASALAH GEOMETRI DITINJAU DARI PRIOR KNOWLEDGE Subanji, Subanji; Kusumawati, Elli; Wardhani, Indah Setyo
EDU-MAT: Jurnal Pendidikan Matematika Vol 11, No 2 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v11i2.17141

Abstract

Penelitian ini mengkaji kesalahan mahasiswa dalam memecahkan masalah geometri melalui penelusuran prior knowledge. Penelitian ini merupakan penelitian studi kasus tipe instrumental melibatkan 185 mahasiswa PGSD Universitas Trunojoyo Madura. Subjek menyelesaikan instrumen pelacak prior knowledge dan dilanjutkan pemecahan masalah. Hasil penelitian menunjukkan bahwa 71 (38,37%) gagal menyelesaikan masalah segitiga dan 124 (67,02%) subjek gagal menyelesaikan masalah jajar genjang. Kesalahan menyelesaikan masalah tersebut dikarenakan kesalahan memahami prior knowledge. Kesalahan pemecahan masalah dapat dikelompokkan menjadi empat bentuk yaitu: (1) kesalahan representasi; (2) kesalahan menggambar garis tinggi, (3) kesalahan dalam menggunakan teorema phytagoras, dan (4) kesalahan memahami konteks berbeda. Sebaran kesalahan prior knowledge: 87,75% kesalahan memahami aksioma, definisi dan representasi dalam geometri sebesar; dan 26,49% kesalahan representasi gambar.   Kata kunci: Prior Knowladge, Pemecahan Masalah, Geometri Abstract: This study examines students' mistakes in solving geometric problems through searching prior knowledge. This research is an instrumental type case study involving 185 PGSD students at Trunojoyo University, Madura. The subject completed the prior knowledge tracking instrument and continued problem solving. The results showed that 71 (38.37%) failed to solve the triangle problem and 124 (67.02%) subjects failed to solve the parallelogram problem. Errors in solving these problems are due to errors in understanding prior knowledge. Problem solving errors can be grouped into four forms, namely: (1) misrepresentation; (2) mistakes in drawing heights, (3) mistakes in using the Pythagorean theorem, and (4) mistakes in understanding different contexts. Prior knowledge error distribution: 87.75% error in understanding the axioms, definitions and representations in geometry by; and 26.49% image representation error. Keywords: Prior Knowladge, Problem Solving, Geometry.

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