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All Journal Al-Jabar : Jurnal Pendidikan Matematika Journal of Honai Math JURNAL INSTEK (Informatika Sains dan Teknologi) Beta: Jurnal Tadris Matematika Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Jurnal Sains dan Teknologi Peternakan Jurnal Abdimas Le Mujtamak Journal of Mathematics Learning Innovation (JMLI) JRAMathEdu (Journal of Research and Advances in Mathematics Education) Jurnal Tadris Matematika (JTMT) Jurnal VARIDIKA
Busrah, Zulfiqar
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Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Veterinary Other

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Mapping students' thinking structure in solving PISA-like problems: Errors and defragmentation Wahab A, Abdul; Buhaerah, Buhaerah; Ahsan, Muhammad; Busrah, Zulfiqar
Beta: Jurnal Tadris Matematika Vol. 16 No. 2 (2023): Beta November
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/betajtm.v16i2.545

Abstract

[English]: Errors in problem-solving indicate that there is a part of the thinking structure that is problematic, either because it is disorganized, disconnected, or experiencing cognitive holes. This research explores students' thinking structure errors in solving PISA problems and proposes defragmentation efforts to address these issues. The study participants consisted of three high school grade X students with varying abilities high, medium, and low selected through purposive sampling. Data collection involves tests and semi-structured interviews, with triangulation used to ensure data validity. The analysis includes presenting test results and interview transcripts, thorough examination of sheets and transcripts, categorization of thinking structure errors, and elaboration of defragmentation efforts based on problem-solving stages. The study findings identify variations in thinking structure errors and defragmentation strategies among participants. This research shows the importance of teaching with a focus on strengthening understanding of prerequisite concepts, improving reading literacy skills, and diversifying defragmentation approaches, especially in applying scaffolding-explaining strategies, to improve the quality of students' mathematical problem-solving. [Bahasa]: Kesalahan dalam pemecahan masalah menunjukkan bahwa ada bagian struktur berpikir yang bermasalah, baik karena tidak teratur, terputus atau mengalami lubang kognitif. Penelitian ini mengeksplorasi kesalahan struktur berpikir siswa dalam menyelesaikan masalah PISA dan mengusulkan upaya defragmentasi untuk mengatasi masalah tersebut. Partisipan penelitian terdiri dari tiga siswa kelas X SMA dengan kemampuan berbeda-beda, yaitu tinggi, sedang, dan rendah, yang dipilih melalui purposive sampling. Pengumpulan data dilakukan dengan tes dan wawancara semi terstruktur, dengan triangulasi digunakan untuk menjamin keabsahan data. Analisisnya meliputi penyajian hasil tes dan transkrip wawancara, pemeriksaan lembar dan transkrip secara menyeluruh, kategorisasi kesalahan struktur berpikir, dan penjabaran upaya defragmentasi berdasarkan tahapan pemecahan masalah. Temuan penelitian mengidentifikasi variasi kesalahan struktur berpikir dan strategi defragmentasi di antara para peserta. Penelitian ini menunjukkan pentingnya pengajaran dengan fokus pada penguatan pemahaman konsep prasyarat, peningkatan keterampilan literasi membaca, dan diversifikasi pendekatan defragmentasi, khususnya dalam penerapan strategi scaffolding-explaning, untuk meningkatkan kualitas pemecahan masalah matematika siswa.
Optimizing Staple Supply at Parepare Using Transportation Method Hafis, Hafis; Busrah, Zulfiqar; Buhaerah, Buhaerah
Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Vol. 12 No. 1 (2024): Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam
Publisher : Prodi Pendidikan Matematika FTIK IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/jpmipa.v12i1.4850

Abstract

Abstract:This study uses transportation methods to optimize the distribution cost of staples from Parepare City to Sidrap, Barru, Pinrang, and Bone City in South Sulawesi. The three transportation methods used in this study were Least Cost (LC), Vogel's Approximation Method (VAM), and North West Corner. The data used is in the form of transportation cost data from Parepare to the four cities. The calculation results with Vogel's Approximation Method (VAM) model provide more optimal results by maximizing the delivery from the 3rd warehouse to the Sidrap, Barru, and Pinrang. These findings provide information on optimal transportation methods to save distribution costs. Abstrak:Penelitian ini menggunakan metode transportasi untuk mengoptimalkan biaya distribusi bahan pokok dari Kota Parepare ke Kota Sidrap, Barru, Pinrang, dan Bone di Sulawesi Selatan. Tiga metode transportasi yang digunakan pada penelitian ini adalah Least Cost (LC), Vogel’s Approximation Method (VAM), dan North West Corner. Data yang digunakan berupa data biaya transportasi dari Parepare ke empat kota tersebut. Hasil perhitungan dengan model Vogel’s Approximation Method (VAM) memberikan hasil yang lebih optimal dengan memaksimalkan pengiriman pasokan barang dari gudang ke-3 ke Kota Sidrap, Barru, dan Pinrang. Temuan ini memberikan informasi penggunaan metode transportasi yang optimal untuk menghemat biaya distribusi.
Mathematical ability of Bugis community in designing Lipa' Sabbe of Sengkang Busrah, Zulfiqar; Aras, Andi; Buhaerah, Buhaerah; Pathuddin, Hikmawati
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 8 Issue 1 January 2023
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v8i1.2524

Abstract

This research is an ethnomathematical research that aims to explore the mathematical abilities of the Bugis people in weaving the lipa’ sabbe. This study applies a qualitative method with an ethnographic approach. The data were collected through observation, interviews, and documentation. Based on the results, it can be explained that in the process of weaving silk, the craftsmen combine the techniques of counting, designing, placing, and measuring as mathematical activity to produce various motifs. The weaver's ability to count and design motifs produces geometric planes that are transformed through a combination of reflection, translation, and dilatation. In making visualized motifs resembling curved planes such as the lagosi motif, the phinisi or the batumesang motif, they are approximated by using a collection of rectangular pixels from the arrangement of warp, weft and other motif yarns such as gold or viscose. The redesign of the silk motif uses the the number patterns identified on the arrangement of the yarns. In algebra, the lipa’ sabbe motif can be represented by a set of constant functions, parallel linear functions, or degree-n polynomial. The results of this study indicate that the mathematical concepts in lipa’ sabbe motifs are not only in the form of geometric concepts, but also include the concepts of number pattern, and algebra. Based on the manufacturing process and the resulting motifs indicate that the craftsmen have uniq mathematical abilities.
Identification of The Lohman Brown Strain Purebred Chicken's Eggshells Based on Egg Age Qurniawan, Anas; Firnanelty, Firnanelty; Busrah, Zulfiqar; Baso Kaswar, Andi; Hifizah, Amriana; Astati, Astati; Rusny, Rusny
Jurnal Sains dan Teknologi Peternakan Vol 6 No 1 (2024): Jurnal Sains dan Teknologi Peternakan
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/jstp.v6i1.4297

Abstract

This study aimed to identify the shell quality of Lohman brown strains. A total of 460 eggs aged 1–14 days from Lohman brown strains were collected from community farms in Gowa, South Sulawesi, Indonesia. The study variables included egg weight, egg index, shell weight, thickness, and percentage. Analysis was conducted using analysis of variance (ANOVA), and the difference in shelf life was analyzed using Duncan's multiple range test. The results revealed that egg weight, egg index, shell weight, shell thickness, and shell percentage significantly (P<0.05) affected egg age from 1 to 14 days. The study concluded that older Lohman Brown strain chicken eggs have reduced weight and shell thickness. Additionally, egg age significantly impacts shell weight, but shell thickness decreases as the egg ages. The color classification of eggshells over 14 days, as indicated by hex codes and sRGB values, shows significant variation, with the darkest brown occurring on days 6 and 11 and the lightest brown on day 1.
Mathematical activities and critical thinking ability in Lagosi weaving process of the Buginese community Pathuddin, Hikmawati; Mariani, Andi; Busrah, Zulfiqar; Kamariah, Kamariah; Syukur, Syamzan
Journal of Honai Math Vol. 7 No. 2 (2024): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v7i2.586

Abstract

Lagosi, a renowned woven fabric of national significance, involves a precise calculation formula in its manufacturing process. Craftsmen must meticulously count the threads to ensure the motif aligns with the intended design. Despite its importance, this aspect has not been thoroughly examined within the framework of Ethnomathematics. Consequently, this study investigates the mathematical practices employed by the Buginese people during the Lagosi weaving process, focusing on both the manufacturing procedures and the resultant motifs. Employing a qualitative methodology with an ethnographic approach, this research collected data through observation, interviews, and audio-visual documentation. The analysis utilized domain and taxonomic techniques to interpret the data. To ensure validity, both source and method triangulation were employed. The findings reveal that the crafting of Lagosi involves integrating counting, measuring, designing, and positioning techniques. Additionally, the study demonstrates that weaving artisans apply mathematical critical thinking skills in the production of Lagosi. The weaving process also reflects socio-cultural values such as diligence, perseverance, discipline, and faith. These insights contribute to a deeper understanding of mathematics in cultural contexts and offer valuable perspectives for contextual mathematics education by incorporating social values.
Pelatihan Tes Potensi Akademik Uutuk Persiapan Tes Polri Pada Peserta BIBIT Kota Parepare: Academic Potential Test Training for Polri Test Preparation For Parepare City BIBIT Participants Hafis, Hafis; Yowono, Timbul; Ferdiani, Rosita Dwi; Buhaerah, Buhaerah; Busrah, Zulfiqar; Susilo, Djoko Andi
Jurnal Abdimas Le Mujtamak Vol. 4 No. 2 (2024): Le MUJTAMAK 2024: Juli - Desember
Publisher : Universitas Islam Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46257/jal.v4i2.1088

Abstract

Tes Potensi Akademik (TPA) merupakan ujian psikistes yang digunakan untuk menilai kemampuan kognitif dan analitis seseorang dalam menyelesaikan tugas-tugas intelektual. Tes ini seringkali menjadi bagian dari proses seleksi untuk berbagai program pendidikan atau rekrutmen untuk berbagai profesi, termasuk ujian masuk kepolisian. Tujuan dari pelatihan ini adalah untuk mengevaluasi efektivitas dan dampak pelatihan TPA yang dilaksanakan BIBIT Kota Pare-Pare terhadap keberhasilan peserta dalam menghadapi tes seleksi Polri. Peserta dalam kegiatan ini berjumlah 25 orang mahasiswa dari kelas bimbingan belajar yang dibagi menjadi 2 kelas yang dilaksanakan di kantor BIBIT Kota Pare-Pare. Tahapan kegiatan pelatihan ini meliputi tahap persiapan, tahap pelaksanaan, dan tahap evaluasi. Hasil dari pelatihan ini adalah: (1) Pelatihan ini menyajikan materi serta tips dan trik menjawab pertanyaan sehingga penyampaian materi menjadi lebih menarik, dengan harapan dapat meningkatkan minat, motivasi, dan kesiapan peserta dalam menghadapi tes Polri, (2) Materi yang disampaikan dapat diterima, dipahami, dan diikuti dengan baik oleh peserta pelatihan, dan (3) Kegiatan berjalan dengan lancar dan sukses.
Ethnomathematics: Modelling the volume of solid of revolution at Buginese and Makassarese traditional foods Busrah, Zulfiqar; Pathuddin, Hikmawati
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 6 Issue 4 October 2021
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v6i4.15050

Abstract

Ethnomathematics can empirically improve the cognitive abilities of students in elementary and secondary schools. However, in undergraduate study, there are still limited studies on integrating ethnomathematics in learning resources. This study aims to apply interpolation in modelling polynomial functions and integral volume on the shape of Buginese and Makassarese traditional foods. Furthermore, it can be used by students as relevant learning resources regarding interpolation and the concept of volume of solid of revolution (VOSR). This is a qualitative study using an ethnographic approach. The data were collected through observations to obtain general information, interviews with informants to find out food-making techniques, and documentation to obtain physical models of each type of food. Data Analysis Techniques consist of the domain analysis to obtain an overview of Buginese and Makassarese traditional foods and the taxonomic analysis to categorize mathematical concepts obtained from the modeling and simulation. The result of this research reveals that lammang is suitable with the slabs. It can be represented as constant functions that revolved around the x-axis or the y-axis. While paso, bolu cukke, and cantik manis as well as barongko batara, Putu, and cucuru can be outlined in linear functions rotating about the x-axis, y-axis, or others fixed-line. They meet the criteria of the disks method. However, they are described in the function of polynomials of ndegree. The use of washers can be described in the model of blundered and sarang semut with a hole in the middle caused by the intersection of two curves rotated about the x-axis or the y-axis. For shells, the model can be applied to determine the cover volume of the cover of pisang ijo flour and onde-onde. Thus, all types of traditional foods in this study can be appropriate objects for a learning resource in modelling the VOSR.
BACKPROPAGATION NEURAL NETWORK UNTUK OPTIMASI AKURASI PADA PREDIKSI FINANCIAL DISTRESS PERUSAHAAN Fa’rifah, Riska Yanu; Busrah, Zulfiqar
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 2 No 1 (2017): Volume 2, Nomor 1, April 2017
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (515.609 KB) | DOI: 10.24252/instek.v2i1.2609

Abstract

Backpropagation neural network (BNN) merupakan salah satu metode machine learningyang sesuai untuk analisis data kualitatif (data biner). BNN ini digunakan untuk mendapatkan akurasi yang tinggi dari hasil analisis. Akurasi yang tinggi dapat diperoleh dengan menggunakan algoritma resilient BNN. Oleh karena itu penelitian ini akan menerapkan metode resilient BNN untuk mengoptimumkan akurasi berdasarkan hasil analisis prediksi financial distress dengan logostic regression (LR).Hasilanalisismenunjukkanbahwa akurasi yang dihasilkan dengan resilient BNN meningkat 23.81% dari analisis sebelumnya, yaitu menggunakan LRdengan akurasi sebesar 66.67%. Akurasi optimum pada resilient BNN ini terjadi pada penggunaan 7 hidden layer.
Defragmenting Struktur Berpikir Pemecahan Masalah Melalui Pemetaan Kognitif Berbasis Teori Polya pada Soal PISA Wahab A, Abdul; Buhaerah; Ahsan, Muhammad; Busrah, Zulfiqar
Journal of Mathematics Learning Innovation Vol 1 No 1 (2022): Journal of Mathematics Learning Innovation
Publisher : Department of Mathematics Education, Faculty of Tarbiyah, Institut Agama Islam Negeri Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1338.208 KB) | DOI: 10.35905/jmlipare.v1i1.3388

Abstract

Errors in problem solving indicate that there are parts of the cognitive structure that are problematic, either because they are disorganized, disconnected or experiencing cognitive holes. thinking This research uses a qualitative approach. The data analysis technique used refers to the Miles and Huberman analysis model, namely data reduction, data presentation and finally drawing conclusions. The results showed that the three subjects studied were only S1 subjects who were able to answer all the questions given correctly without going through the defragmenting process, this was because the problem-solving thinking structure of the questions was classified as good, this success was supported by the level of cognitive understanding of the prerequisite material for the questions. good. While on the subject of S2, even though the conclusions of the answers already look correct, in one of the questions, it appears that there is an error in thinking which is categorized as pseudo, this error occurs because of the tendency to only pursue similarity questions and do not emphasize understanding mathematical concepts. The defragmenting efforts given are in the form of cognitive conflict interventions, scaffolding–restructuring and scaffolding explaning. While on the subject of S3, the low literacy ability in reading the test questions, as well as understanding the concept of the prerequisite material for the questions, causes errors at all stages of problem solving. The defragmenting efforts given are scaffolding-explaning intervention, scaffolding restructuring, cognitive conflict, scaffolding-review, disequilibration. The lack of knowledge about the prerequisite material so that more emphasis is placed on providing scaffolding-explaning.
Reflection learning innovation in the context of the lipa sabbe bunga caramming motif Aras, Andi; Prahmana, Rully Charitas Indra; Zahrawati B, Fawziah; Buhaerah, Buhaerah; Busrah, Zulfiqar; Jumaisa, Jumaisa; Setialaksana, Wirawan
Al-Jabar: Jurnal Pendidikan Matematika Vol 14 No 1 (2023): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v14i1.15912

Abstract

The low ability of students to understand and transform the concept of reflection to solve everyday problems is the main problem with learning mathematics because the implementation of learning mathematics is mechanical. Mathematics is taught by conveying formulas practically without linking them to students' daily activities. For this reason, this study aims to design a reflection learning trajectory in the context of the Lipa Sabbe Bunga Caramming motif as a starting point in learning to help students understand reflection material for solving everyday problems. The method used in this study is design research, which consists of three stages: preliminary design, design trials, and retrospective analysis. The subjects of this study were 23 students in class VIII-A of SMP Negeri 1 Tanasitolo. The instruments used in this study were student activity sheets (LAS), learning achievement tests, and interview guidelines. Student activity data during learning were analyzed retrospectively, and learning outcomes data were analyzed descriptively. The results of this study found that the learning trajectory of transformation geometry using the context of the lipa sabbe bunga caramming motif has four learning stages: (1) informal; (2) modes of; (3) modes of; and (4) formal. The learning stages can easily increase students' understanding of the concept of reflection. In the learning process, mathematical concepts are connected with daily habits, so students are enthusiastic and active in the learning process. This learning trajectory can assist teachers in optimizing learning so that students can easily understand the concept of reflection, equip them with critical thinking skills, and shape their character (cooperation, empathy, respect for others, awareness of social problems, a social spirit, and responsibility).
Co-Authors Ahmad Firdaus, Ahmad Ahsan, Muhammad Amriana Hifizah Anas Qurniawan Aras, Andi Astati, Astati Azmidar Azmidar, Azmidar Baso Kaswar, Andi Buhaerah Buhaerah Buhaerah, Buhaerah Fa’rifah, Riska Yanu Ferdiani, Rosita Dwi Firnanelty, Firnanelty Hafis, Hafis Ida Ayu Putu Sri Widnyani Jumaisa, Jumaisa Kamariah Kamariah, Kamariah Muhammad, Rusny Pathuddin, Hikmawati Rully Charitas Indra Prahmana Setialaksana, Wirawan - Susilo, Djoko Andi Syamzan Syukur Wahab A, Abdul Yowono, Timbul Zahrawati B, Fawziah