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Analisis Pemodelan Matematika Siswa Dalam Pemecahan Masalah Kontekstual Berdasarkan Kemampuan Matematika La Arua, Afudin; Samron, Samron
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Dr. Soetomo

Abstract Mathematical modelling is an alternative that can be used by student in term of contextual problem solving. The aim of this studi is to analyze about student’s mathematical modelling to solve the contextual problem based on their math ability. This research is a descriptive research by using kualitative method. There are some steps in doing this research, , they are: 1) preparing research instrument, , that is math ability test, contextual problem solving test, and interview guide, 2) validation the instrument test end interview guide, 3) instrument trials, 4)research implemntation, 5) data analysis, 6) data triangulation, and 7) conclusion. Based on the research result, there are three steps of student’s ability, i.e , high, medium, and low. The ability of these there student’s show that there are differences in solving contextual problems using mathematical modelling. Keywords: Mathematical modelling, contextual problem solving Abstrak Pemodelan matematika merupakan salah satu alternatif yang dapat digunakan oleh siswa dalam pemecahan masalah kontekstual. Tujuan penelitian ini yaitu untuk menganalisis tentang pemodelan matematika siswa dalam pemecahan masalah kontekstual berdasarkan kemampuan matematika. Penelitian ini adalah penelitian deskriptif dengan pendekatan kualitatif. Tahapan dalam peneltian ini meliputi: (1) penyiapan instrumen penelitian berupa tes kemampuan matematika, tes pemecahan masalah kontekstual dan pedoman wawancara, (2) validasi instrumen tes dan pedoman wawancara, (3) uji coba instrumen, (4) pelaksanaan penelitian, (5) analisis data, (6) triangulasi data, dan (7) penarikan kesimpulan. Berdasarkan hasil penelitian, diperoleh tiga kemampuan siswa yaitu tinggi, sedang, dan rendah. Kemampuan ketiga siswa tersebut menunjukan bahwa terdapat perbedaan dalam memecahkan masalah kontekstual menggunakan pemodelan matematika. Kata Kunci: Pemodelan Matematika, Pemecahan Masalah Kontekstual

Pengaruh Model Pembelajaran Realistic Mathematic Education Terhadap Kemampuan Berpikir Kritis Matematis Siswa SMP Samron, Samron; Safarudin
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Dr. Soetomo

Entering the life of the industrial revolution 4.0, high-level abilities must be possessed by every student including the ability to think critically in mathematics. Developing and improving students' mathematical critical thinking skills requires a learning model that can provide flexibility for students to develop ideas by relating students' real lives. The learning model that relates the real life of students in the learning process is the realistic mathematics education learning model. The purpose of this study was to determine the effect of the realistic mathematics education learning model on the mathematical critical thinking skills of junior high school students. This type of research is a quasi-experimental research with a pretest-posttest control group design in class VIII SMP Negeri 9 Baubau as many as 2 classes consisting of 1 experimental class and 1 control class. Sampling using purposive sampling technique. Data were analyzed using t-test analysis. The results showed: (1) the realistic mathematics education learning model had an effect on increasing students' mathematical critical thinking skills; (2) the realistic mathematics education learning model has a better effect than conventional learning models on increasing the mathematical critical thinking skills of junior high school students.

Estimasi Tingkat Aktivasi Virus COVID-19 dengan Menggunakan Metode Kalman Filter (Studi Kasus: di Provinsi Jawa Timur) Asfihani, Tahiyatul; Agustina, Choiriyah Sapta; Hazmi, Ahmad Ulul
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Dr. Soetomo

Abstract COVID-19 is a concern in several countries because the rate of spread is fast enough to cause many deaths. COVID-19 is a disease caused by SARS-Cov-2. In this study, the SARS-Cov-2 activation rate was estimated using the Kalman Filter. The SARS-Cov-2 activation rate is the rate of change of the exposed class (Exposed) who completed the incubation period into the infected class (Infected). The spread of the COVID-19 disease was approached by the SEIR mathematical model. The SARS-Cov-2 activation rate is a parameter of SEIR's mathematical model of COVID-19 spread. The simulation results show that the SARS-Cov-2 activation rate in East Java in October 2021 is 0.563. The RMSE value that indicates the level of accuracy of the estimation process is 0,08. Keywords: COVID-19, Parameter Estimation, Kalman Filter, East Java Abstrak COVID-19 menjadi perhatian di beberapa negara karena tingkat penyebarannya cukup cepat hingga mengakibatkan banyak kematian. COVID-19 merupakan penyakit yang disebabkan oleh virus SARS-Cov-2. Pada penelitian ini, tingkat aktivasi SARS-Cov-2 diestimasi menggunakan Kalman Filter. Tingkat aktivasi SARS-Cov-2 adalah tingkat perubahan individu terpapar (Exposed) yang selesai masa inkubasi dan masuk ke dalam kelas yang terinfeksi (Infected). Penyebaran penyakit COVID-19 didekati dengan model matematika SEIR. Tingkat aktivasi SARS-Cov-2 merupakan parameter dari model matematika penyebaran COVID-19 SEIR. Hasil simulasi menunjukkan bahwa tingkat aktivasi SARS-Cov-2 di Jawa Timur pada Oktober 2021 bernilai 0,563. Tingkat keakuratan proses estimasi ditunjukkan melalui nilai RMSE sebesar 0,08. Kata Kunci: COVID-19, Estimasi Parameter, Kalman Filter, Provinsi Jawa Timur.

Prokrastinasi Akademik Mahasiswa Pendidikan Matematika FKIP Universitas Nusa Cendana Kupang Udil, Patrisius Afrisno
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Dr. Soetomo

This research aims to describe the academic procrastination of mathematics education students at FKIP Undana. It includes scores and categories of academic procrastination both generally and based on its indicators. The method used is descriptive quantitative. The population were all students of Mathematics Education Study Program FKIP Undana (N = 423) with sample of 266 students who were selected by simple random sampling. The instrument used is the Student Academic Procrastination Scale. The results showed that generally the academic procrastination of mathematics education students was identified in the moderate category with percentage of 47.37% and average score of 45.55. The percentage of students who experience academic procrastination in the high category is 19.17% and very high is 7.52%. The results also found that most of the students' academic procrastination was identified in the moderate category for 4 indicators, namely time management (37.59%), intention-action gap (41.73%), perceived-ability (60.53%), and social disturbance (50.00%). Furthermore, it is found that more than 20% students were identified to experience academic procrastination in high and very high category for the four indicators. On the indicator of emotional distress, most of the students had academic procrastination in the very high (5.26%), high (35.34%), and moderate (20.68%) category. Keywords: procrastination, academic procrastination, mathematics edication

Desain Pembelajaran Penjumlahan dan Pengurangan Pecahan dengan Konteks Kaplet di Kelas VII Widiawati, Widiawati; Deniansyah, Deniansyah
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Dr. Soetomo

Abstract The PMRI approach is used to produce a learning path that can help students add and subtract fractions through the kaplet context in grade VII. Design research type validation studies is a research method that starts with the Hypothetical Learning Trajectory (HLT). This study involved 32 students of class VII SMP PGRI Pagaralam which were divided into 6 students in the pilot experiment and 26 students in the teaching experiment. A series of activities generated through the learning trajectory includes activities such as cutting and taking kaplet from their shells and solving problems with addition and subtraction of fractions. In each of these activities, students are involved in finding the concepts of addition and subtraction of fractions in the context of the kaplet. The results showed that the use of the kaplet context through the PMRI approach gave meaning to student learning because students were helped in finding the concepts of addition and subtraction of fractions so that students were able to solve problems related to addition and subtraction of fractions in the real world. Keywords: Design Research, PMRI, Kaplet Abstrak Pendekatan PMRI digunakan dalam menghasilkan lintasan belajar yang dapat membantu siswa untuk menjumlahkan dan mengurangkan pecahan melalui konteks kaplet di kelas VII. Design research type validation studies merupakan metode penelitian yang dimulai dari adanya Hypothetical Learning Trajectory (HLT). Dalam penelitian ini melibatkan sebanyak 32 siswa kelas VII SMP PGRI Pagaralam yang terbagi menjadi 6 siswa pada pilot experiment dan 26 siswa pada teaching experiment. Serangkaian aktivitas yang dihasilkan melalui lintasan belajar meliputi aktivitas-aktivitas seperti memotong dan mengambil kaplet dari cangkangnya serta menyelesaikan masalah penjumlahan dan pengurangan pecahan. Pada setiap aktivitas tersebut, siswa dilibatkan untuk menemukan konsep penjumlahan dan pengurangan pecahan dengan konteks kaplet. Hasil penelitian menunjukkan bahwa penggunaan konteks kaplet melalui pendekatan PMRI memberikan kebermaknaan dalam belajar siswa karena siswa menjadi terbantu dalam menemukan konsep penjumlahan dan pengurangan pecahan sehingga siswa mampu untuk menyelesaikan masalah-masalah yang berkaitan dengan penjumlahan dan pengurangan pecahan dalam dunia nyata. Kata Kunci: Design Research, PMRI, Kaplet

Literasi Matematis Siswa SMP Berdasarkan Adversity Quotient Dalam Memecahkan Masalah SPLDV Pardosi, Romario Petrus; Budiarto, Mega Teguh; Rahaju, Endah Budi
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Dr. Soetomo

Abstract Mathematics understanding of students is not only about understanding the material but how students can use the knowledge they already have to apply in everyday life. The ability of students to take advantage of the role of mathematics in problems that occur in real life is called mathematical literacy. One of the materials that include solving mathematical problems and the mathematical literacy process of students at the junior high school level is the Two-Variable Linear Equation System (SPLDV). In solving SPLDV problems, students need problem-solving, reasoning, and communication skills. Many aspects can influence students in solving problems, including the ability of students' intelligence in facing a difficulty called Adversity Quotient. The purpose of this study is to describe the mathematical literacy of students in the quitter, camper, and climber categories in solving the problem of a two-variable system of linear equations. This research is qualitative descriptive research with a case study approach. Data collection techniques were carried out by giving SPLDV problem-solving tests and task-based interviews. From the results of solving the questions, 29 junior high school students in Paciran, the researchers chose 1 student from each category of a quitter, camper, and climber who had more complete and systematic answers than the other students. The results showed that there were differences in problem-solving of the three subjects in the components of formulating, interpreting, and applying. Keywords: mathematical literacy, two variable linear equation system, adversity quotient Abstrak Pemahaman matematika peserta didik tidak hanya tentang pemahaman materi saja tetapi bagaimana peserta didik mampu menggunakan pengetahuan yang sudah mereka miliki untuk diterapkan dalam kehidupan sehari- hari. Adapun kemampuan peserta didik dalam memanfaatkan peran matematika pada permasalahan yang terjadi di kehidupan nyata disebut disebut literasi matematis. Salah satu materi yang mencakup pemecahan masalah matematika dan proses literasi matematis peserta didik di tingkat SMP yaitu Sistem Persamaan Linier Dua Variabel (SPLDV). Dalam menyelesaikan masalah SPLDV peserta didik membutuhkan kemampuan pemecahan masalah, penalaran, dan komunikasi. Banyak aspek yang dapat mempengaruhi peserta didik dalam menyelesaikan masalah, antara lain kemampuan kecerdasan peserta didik dalam menghadap suatu kesulitan yang disebut Adversity Quotient. Tujuan penelitian ini yaitu mendeskripsikan literasi matematis siswa kategori quitter, camper, dan climber dalam memecahkan masalah sistem persamaan linier dua variabel. Penelitian ini adalah penelitian deskriptif kualitatif dengan pendekatan studi kasus. Teknik pengumpulan data dilakukan dengan pemberian tes pemecahan masalah SPLDV serta wawancara berbasis tugas. Dari hasil penyelesaian soal, 29 peserta didik SMP di Paciran, peneliti memilih 1 peserta didik dari masing-masing kategori quitter, camper dan climber yang memiliki jawaban yang lebih lengkap dan sistematis dibanding dengan peserta didik lainnya. Hasil penelitian menunjukkan bahwa terdapat perbedaan dalam memecahkan masalah dari ketiga subjek dalam komponen merumuskan, menafsirkan dan menerapkan. Kata Kunci: Literasi Matematika, Sistem Persamaan Linier Dua Variabel, adversity Quotient

Bahasa Inggris Cahyani, Cielo Dewi; Mohammad, Asikin
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Dr. Soetomo

Numerical skills are important for students to have because numeracy skills are closely applied in everyday life. This article was written with the aim of finding out whether students' numeracy skills can be improved by applying the probing prompting learning model, how are the numeracy skill indicators, and how numeracy skills indicators can be integrated with probing prompting learning. The method used is the Systematic Literature Review (SLR) by reviewing 18 articles of accredited national journals on Sinta 2 to Sinta 5 and international journals indexed by Scopus with the keywords applying the probing prompting model and numeracy skills. The results showed that the implementation of the probing prompting learning model in mathematics learning could improve students' numeracy skills, and indicators of numeracy skills could be integrated in probing prompting learning.

An Investigation of Students’ Difficulties in Statistics Learning on Online Based Learning at Universitas Terbuka Taiwan Ramadoni, Ramadoni; Hafiz, Muhammad
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Dr. Soetomo

This study aims to determine the students’ difficulties in online learning. Online learning is one solution offered by several parties such as the government, universities, and teachers. However, this has not been fully able to help students understand the statistics well. This study investigates students’ difficulties in terms of topics, learning processes, and assignments. The students have taken statistics courses for one semester. The data collection techniques with open questionnaires via google Forms and online interviews. The number of participants for open questionnaires was 25 students and 6 students were taken to be interviewed. Based on the questionnaires and interviews conducted with students, the results of the study are that students still have difficulty in understanding the material itself because of complicated calculations, complicated formulas, and Unrealistic. While the difficulties of students in online learning are limited time, network problems, explanations and examples of questions are not written in detail in online learning, the strategies used in online learning make some students negligent in learning, and the number of online meetings is still lacking, online learning can be helpful but not maximized. Moreover, students’ difficulties with assignments such as the formula are very much, the book has several errors, students do not understand the stages in solving problems, difficulty in determining the symbols used in the story problem, difficulty in calculating it, difficulty in imagining the application of the formula into real life. The recommendation from this study is the statistics teacher can choose the appropriate learning model for statistics courses. Keywords: Students’ Difficulties, Statistics Learning, Online Learning

Analisis Kemampuan Pemecahan Masalah Matematik Siswa SMP ditinjau dari Kemampuan Awal Matematik: Analisis Prakseologi pada Soal Geometri Bangun Datar Andriatna, Riki; Ramdan Faturohman, Deni
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Dr. Soetomo

Abstract Problem-solving ability is one of the mathematical abilities of the 21st century. This study aims to describe the mathematical problem-solving ability of junior high school students based on the category of mathematical early ability using a praxeological model. Praxeology consists of praxis blocks consisting of technique and type of task components and logos blocks consisting of theory and technology components. The praxeological model depicts seraphically from practice and knowledge. This research focuses on the praxis block, namely technique. This is qualitative research with a case study design involving 5 students each with high, medium, and low initial mathematics abilities. The results of the praxeology analysis showed that students with high and moderate early mathematics ability technique components in the epistemological model reference, although in some subcomponents there were errors. In the high category, the components of the techniques used were more diverse compared to students in the medium class. Whereas in students with low categories, the technique component on the epistemology model reference did not appear .Keywords: mathematical early ability, mathematical problem-solving ability, praxeology. Abstrak Kemampuan pemecahan masalah merupakan salah satu kemampuan matematika abad 21. Penelitian ini bertujuan untuk mendeskripsikan kemampuan pemecahan masalah matematika siswa SMP berdasarkan kategori kemampuan awal matematika menggunakan model prakseologi. Prakseologi terdiri dari blok praxis yang terdiri dari komponen technique dan type of task serta blok logos yang terdiri dari komponen theory dan technology. Model prakseologi mengggambarkan secara spresifik dari praktik dan pengetahuan. Penelitian ini berfokus pada blok praxis yaitu technique. Penelitian ini merupakan penelitian kualitatif dengan desain studi kasus yang melibatkan masing-masing 5 siswa dengan kemampuan awal matematika tinggi, sedang, dan rendah. Hasil penelitian berdasarkan analisis prakseologi menunjukkan bahwa siswa dengan kemampuan awal matematika tinggi dan sedang memenuhi komponen teknik dalam referensi model epistemology, meski pada beberapa subkomponen terdapat kesalahan. Pada kategori kemampuan tinggi, komponen teknik yang digunakan lebih beragam dibandingkan dengan siswa pada kategori kemampuan sedang. Sedangkan pada siswa dengan kategrori kemampuan rendah, komponen teknik pada referensi model epistemologi tidak muncul. Kata Kunci: kemampuan awal matematika, kemampuan pemecahan masalah matematika, model prakseologi.

Analisis Pemecahan Masalah Matematika Berbentuk Soal Cerita pada Materi SPLDV Ditinjau dari Gaya Kognitif Kuswatiningsih, Fitria; Faizah, Hanim
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Dr. Soetomo

Abstract Problem solving skills are very important for learning mathematics. Solving mathematical problems requires strategies that involve cognitive processes in understanding the problem. The purpose of this study is a form of description of students' abilities in solving problem solving on SPLDV material in terms of cognitive style. This type of research is a qualitative descriptive research using a written test and question and answer method. The subjects used in this research were VIII-F students of SMP PGRI 1 Buduran with 2 FD students and 2 FI students. The instruments used include the GEFT test (Group Embedded Figures Test), problem-solving question sheets and interview guidelines. Information analysis includes data reduction, presentation of information and drawing conclusions. The results of the study showed that FD subjects were able to read problems, mastered oral statements from cases and had not been able to replace them with mathematical words, received more detailed information, were unable to expand the results of problem solving and often did not get the right results. On the other hand, FI subjects are able to read problems, master verbal statements from cases and convert them into mathematical words, are more analytical in receiving information, work with their own ideas, can expand the results of problem solving and obtain precise results. The conclusion of this research is that individual FDs are quite capable of fulfilling Newman's problem indicators. On the other hand, FI individuals are able to fulfill Newman's indicators. Keywords: Mathematical problem solving, Field Dependent, Field Independent. Abstrak Keterampilan pemecahan masalah sangatlah penting untuk pembelajaran matematika. Memecahkan masalah matematika membutuhkan strategi yang melibatkan proses kognitif dalam memahami masalah. Tujuan dari penelitian ini merupakan bentuk deskripsi dari kemampuan siswa dalam menyelesaikan pemecahan permasalahan pada materi SPLDV ditinjau dari gaya kognitif. Jenis riset ini merupakan riset deskriptif kualitatif dengan memakai metode uji tulis serta tanya jawab. Subjek yang dipakai pada riset ini merupakan siswa VIII- F SMP PGRI 1 Buduran dengan 2 siswa FD serta 2 siswa FI. Instrument yang dipergunakan mencakup uji GEFT (Group Embedded Figures Test), lembar pertanyaan pemecahan masalah serta pedoman wawancara. Analisa informasi mencakup reduksi data, penyajian informasi serta penarikan kesimpulan. Hasil studi membuktikan subjek FD mampu membaca permasalahan, menguasai statment lisan dari kasus serta belum sanggup mengganti dengan bentuk perkataan matematika, menerima informasi lebih garis besar, tidak sanggup meluaskan hasil penyelesaian permasalahan serta kerap tidak memperoleh hasil yang tepat. Sebaliknya subjek FI mampu membaca permasalahan, menguasai statment lisan dari kasus serta mengubahnya ke wujud perkataan matematika, lebih analitis dalam menerima informasi, bertugas dengan idenya sendiri, bisa meluaskan hasil penyelesaian permasalahan serta memperoleh hasil yang tepat. Simpulan dari riset ini ialah individu FD cukup mampu penuhi indikator permasalahan Newman. Sebaliknya individu FI mampu penuhi indicator Newman. Kata Kunci: Pemecahan masalah matematika, Field Dependent, Field Independent.

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Journal Mail Official
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Kota surabaya,

Jawa timur

INDONESIA