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Analysis of Student Errors in Solving Equations and Inequalities Problems in Algebra and Trigonometry Based on Newman Procedure Miftahul Jannah; Anekke Pesik; Selfie Kumesan; Ermita Ermita; Nurdin Rahim
Journal of Education and Teaching Learning Vol 6 No 1 (2024): Journal of Education and Teaching Learning (JETL)
Publisher : CV. Pusdikra Mitra Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51178/jetl.v6i1.1616

The purpose of this study is to examine how students make mistakes when attempting to solve equality and inequality problems in trigonometry and algebra using the Newman method. A qualitative descriptive research methodology is employed in this study. Students enrolled in Manado State University's 2023–2024 Mathematics Education Study Program during their first semester served as the research subjects. Test and interview techniques are used in data collection. Three steps made up the data analysis in this study: reduction, data display, and data verification. Data analysis utilizing the Newman approach yielded the following conclusions: 5.6% encoding errors, 4.8% reading errors, 12% comprehension errors, 8.4% transformation errors, and 18.8% process skill errors were made when solving equation and inequality problems. The inability of pupils to comprehend the concept of the subject being explained, their lack of willingness to study, and their carelessness when reading and completing questions are the causes contributing to these blunders.

Efektivitas Metode Guided Noted Taking (GNT) terhadap Pembelajaran Matematika pada Peserta didik Sekolah Menengah Pertama Miftahul Jannah; Nurdin Rahim; Baharuddin, Baharuddin
MARISEKOLA: Jurnal Matematika Riset Edukasi dan Kolaborasi Vol. 4 No. 2: Oktober 2023
Publisher : Jurusan Matematika FMIPA Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar

Penelitian ini bertujuan mengetahui efektivitas metode guided note taking (GNT) terhadap pembelajaran matematika materi aljabar di kelas VIII.7 pada peserta didik SMPN 12 Makassar. Penelitian ini merupakan penelitian pra-eksperimen dengan satu kelas sebagai kelas eksperimen tanpa adanya kelas kontrol. Desain penelitian menggunakan One Group Pretest and Posttest Design, dengan sampel sebanyak 32 peserta didik kelas VIII.7. Tes hasil belajar, lembar observasi aktivitas dan angket respon peserta didik merupakan instrumen dalam penelitian ini. Hasil penelitian menunjukkan bahwa terjadi peningkatan rata-rata tes hasil belajar peserta didik melalui penerapan metode GNT dengan rata-rata nilai gain yaitu 0,69. Dari hasil tes tersebut diperoleh 29 peserta didik telah mencapai ketuntasan individu, ini berarti ketuntasan klasikal telah tercapai. Rata-rata persentase aktivitas peserta didik adalah 83,37% dan respon positif peserta didik terhadap penerapan metode GNT adalah 86,25%. Dari hasil penelitian, indikator keefektifan yakni hasil belajar, aktivitas, dan respon peserta didik telah tercapai. Sehingga dapat disimpulkan bahwa penerapan metode GNT efektif dalam pembelajaran matematika di kelas VIII SMPN 12 Makassar.

Improving The Quality of Mathematics Learning Using An Ethnomathematics Approach in Class IX Students of Private MTs Al-Hikmatul Bahri Ternate: Meningkatkan Kualitas Pembelajaran Matematika dengan Pendekatan Etnomatematika Pada Siswa Kelas IX MTs Swasta Al-Hikmatul Bahri Ternate Likur, Fadhillah Abdul Halik; Nurdin R.; Baharuddin, Baharuddin; Sappa, Sri Rusmini A.; Alimuddin, Fauziyyah
Mattawang: Jurnal Pengabdian Masyarakat Vol. 5 No. 2 (2024)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.mattawang2769

One thing that can bridge the gap between culture and education is ethnomathematics. Ethnomathematics is a form of mathematics influenced by or based on culture. Through the application of ethnomathematics in education, especially mathematics education, will bring better understanding of students about both knowledge and culture of theirs. This way will help teacher for teaching cultural values in students so that cultural values which are part of the national character are embedded from an early age of student. The formation of this new scheme should be from the scheme that already exists in the student. Therefore, in teaching formal mathematics (school mathematics), teachers should start with informal mathematics which is applied by children in society. If a child has a good schema about mathematics used in daily basis increase the existing knowledge the teacher strengthens the existing schema or forms a new schema based on the existing schema.

Efektivitas Metode Guided Noted Taking (GNT) terhadap Pembelajaran Matematika pada Peserta didik Sekolah Menengah Pertama Miftahul Jannah; Nurdin Rahim; Baharuddin, Baharuddin
MARISEKOLA: Jurnal Matematika Riset Edukasi dan Kolaborasi Vol. 4 No. 2: Oktober 2023
Publisher : Jurusan Matematika FMIPA Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/marisekola.v4i2.8452

Penelitian ini bertujuan mengetahui efektivitas metode guided note taking (GNT) terhadap pembelajaran matematika materi aljabar di kelas VIII.7 pada peserta didik SMPN 12 Makassar. Penelitian ini merupakan penelitian pra-eksperimen dengan satu kelas sebagai kelas eksperimen tanpa adanya kelas kontrol. Desain penelitian menggunakan One Group Pretest and Posttest Design, dengan sampel sebanyak 32 peserta didik kelas VIII.7. Tes hasil belajar, lembar observasi aktivitas dan angket respon peserta didik merupakan instrumen dalam penelitian ini. Hasil penelitian menunjukkan bahwa terjadi peningkatan rata-rata tes hasil belajar peserta didik melalui penerapan metode GNT dengan rata-rata nilai gain yaitu 0,69. Dari hasil tes tersebut diperoleh 29 peserta didik telah mencapai ketuntasan individu, ini berarti ketuntasan klasikal telah tercapai. Rata-rata persentase aktivitas peserta didik adalah 83,37% dan respon positif peserta didik terhadap penerapan metode GNT adalah 86,25%. Dari hasil penelitian, indikator keefektifan yakni hasil belajar, aktivitas, dan respon peserta didik telah tercapai. Sehingga dapat disimpulkan bahwa penerapan metode GNT efektif dalam pembelajaran matematika di kelas VIII SMPN 12 Makassar.

Pendampingan Pendalaman Materi Matematika Berbasis Etnomatematika Santri Pondok Pesantren Cijantung 7 Kalabahi Likur, Fadhillah Abdul Halik; R, Nurdin; Balikh, Ratna Abdul Pakdin; Sibala, Ismawati; Peka, Musrifa
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v2i3.33869

One thing that can bridge the gap between culture and education is ethnomathematics. Ethnomathematics is a form of mathematics influenced by or based on culture. Through the application of ethnomathematics in education, especially mathematics education, will bring better understanding of students about both knowledge and culture of theirs. This way will help teacher for teaching cultural values in students so that cultural values which are part of the national character are embedded from an early age of student. The formation of this new scheme should be from the scheme that already exists in the student. Therefore, in teaching formal mathematics (school mathematics), teachers should start with informal mathematics which is applied by children in society. If a child has a good schema about mathematics used in daily basis increase the existing knowledge the teacher strengthens the existing schema or forms a new schema based on the existing schema.

Pengaruh Model Pembelajaran Kooperatif Terhadap Kemampuan Pemecahan Masalah dan Kemampuan Komunikasi Matematis Peserta Didik Kelas VIII SMP Negeri Kabupaten Enrekang Nurdin R.; Fadhillah A.P. Likur; Baharuddin
GENIUS: Jurnal Inovasi Pendidikan dan Pembelajaran Vol. 2 No. 2 (2024)
Publisher : CV. Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/gjipp.v2i2.146

This study aims to determine the effect of: (1) a description of the problem-solving abilities of class VIII students who are taught using the cooperative learning model type two stay two stray or numbered heads together on the Pythagorean theorem and circle material, (2) description of the mathematical communication skills of class VIII students who are taught using the cooperative learning model type two stay two stray or numbered heads together on the Pythagorean theorem and circle material, (3) the difference in mathematical problem solving abilities of class VIII students who are taught using a two stay two stray cooperative learning model and those taught using a numbered heads together type cooperative model on the Teorema Phytagoras and Circle material, (4) differences mathematical communication skills of class VIII students who are taught using the cooperative learning model type two stay two stray with those taught using the cooperative model type numbered heads together on the Teorema Phytagoras and Circle material. This research is an experimental study with a quasi-experimental by factorial 2x2 design. The population in this study were all grade VIII students of the Enrekang Regency Junior High School with accreditation A consisting of 18 schools and the sample in this study was class VIII B SMP N 1 Baraka who was taught with the TSTS type cooperative learning model totaling 30 students and class VIII A SMP N 2 Anggeraja taught with the NHT type cooperative learning model totaling 30 students in the even semester of the 2019 school year. /2020, the determination of the sample is carried out using the cluster random sampling technique. The instruments in this study were (1) a test of problem-solving skills, (2) a test of mathematical communication skills, and (3) an observation sheet on the implementation of learning. The data analysis techniques used were descriptive analysis and inferential analysis using manova. The results of the study indicate that: (1) there is no significant difference in the mathematical problem solving abilities of students who follow the two stay two stray type of cooperative learning model and those who follow the numbered heads together type of cooperative learning model both on the Teorema Phytagoras material and on the Circle material; (2) there is no significant difference in the mathematical communication ability of students who follow the two stay two stray type of cooperative learning model and those who follow the numbered heads together type of cooperative learning model both on the Teorema Phytagoras material and on the Circle material.

Strategi Peningkatan Kompetensi Guru Matematika Dalam Menghadapi Asesmen Nasional Di Alor, NTT Fadhillah Abdul Halik Likur; Tamam Rosid; Nurdin R; Ratna Abdul Pakdin Balikh; Istiqamah Istiqamah; Muthiah Prasong
JUPEIS : Jurnal Pendidikan dan Ilmu Sosial Vol. 5 No. 1 (2026): JUPEIS: Jurnal Pendidikan dan Ilmu Sosial
Publisher : Jompa Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57218/jupeis.Vol5.Iss1.2469

Implementasi Asesmen Nasional (AN) sebagai pengganti Ujian Nasional menuntut transformasi kompetensi guru matematika, khususnya di daerah tertinggal seperti Alor, Nusa Tenggara Timur. Penelitian kualitatif ini mengeksplorasi strategi peningkatan kompetensi guru matematika dalam menghadapi AN melalui pendekatan fenomenologi dengan melibatkan 24 guru matematika SMP dan SMA di Alor. Data dikumpulkan melalui wawancara mendalam, observasi pembelajaran, dan analisis dokumen perencanaan pembelajaran selama periode Agustus–November 2024. Temuan menunjukkan bahwa guru menghadapi tantangan signifikan dalam memahami literasi numerasi berbasis konteks, mengintegrasikan higher-order thinking skills (HOTS), dan memanfaatkan teknologi digital untuk pembelajaran adaptif. Strategi yang terbukti efektif meliputi: (1) pelatihan berbasis komunitas praktik (community of practice) dengan pendampingan berkelanjutan; (2) pengembangan bank soal numerasi kontekstual berbasis kearifan lokal; (3) kolaborasi lesson study untuk perbaikan praktik pembelajaran; dan (4) pemanfaatkan platform digital untuk self-directed learning. Analisis data empiris menunjukkan peningkatan signifikan dalam kemampuan guru merancang instrumen penilaian berbasis literasi numerasi (rata-rata skor meningkat dari 62,4 menjadi 78,6) dan mengimplementasikan pembelajaran berorientasi HOTS (dari 58,3 menjadi 75,2) setelah intervensi selama empat bulan. Implikasi penelitian menekankan pentingnya dukungan sistemik dari pemerintah daerah, kolaborasi multipihak, dan keberlanjutan program pengembangan profesional guru di wilayah terpencil untuk menjamin keadilan mutu pendidikan nasional.

PEMANFATAN DAUN KELOR SEBAGAI PEWARNA ALAMI BENANG TRADISIONAL PADA KELOMPOK TENUN Musrifa Peka; Fadhillah A.H. Likur; Ratna A. P. Balikh; Nurdin Nurdin; Mukmin Amsidi; Ade Sri Muhammad
Journal of Community Empowerment Vol 5, No 1 (2026): Maret
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jce.v5i1.38526

ABSTRAK Tenun tradisional di Kabupaten Alor, khususnya di Desa Batu, merupakan bagian penting dalam pelestarian budaya dan ekonomi masyarakat. Namun, kelompok tenun di Desa Batu masih menghadapi permasalahan dalam penggunaan pewarna alami karena keterbatasan pengetahuan dan keterampilan dalam teknik ekstraksi dan pewarnaan benang, sehingga masyarakat lebih banyak menggunakan pewarna sintetis yang kurang ramah lingkungan. Oleh karena itu, kegiatan pengabdian kepada masyarakat ini dilaksanakan melalui metode pelatihan dan pendampingan untuk meningkatkan keterampilan kelompok tenun dalam memanfaatkan bahan alami sebagai pewarna. Kegiatan ini dilaksanakan di Desa Batu pada tanggal 16–18 Juli 2025 dengan melibatkan 20 orang anggota kelompok tenun sebagai mitra kegiatan. Metode yang digunakan meliputi penyuluhan, demonstrasi, praktik langsung, serta pendampingan dalam proses pencucian benang, mordanting menggunakan tawas, ekstraksi daun kelor, pencelupan benang, dan pengeringan. Hasil kegiatan menunjukkan bahwa pelatihan penggunaan daun kelor sebagai pewarna alami mampu meningkatkan pemahaman dan keterampilan peserta dalam melakukan proses pewarnaan benang secara mandiri. Selain itu, pemanfaatan daun kelor sebagai bahan pewarna alami berpotensi meningkatkan nilai tambah produk tenun, mendukung penggunaan bahan ramah lingkungan, serta memperkuat pemberdayaan ekonomi masyarakat lokal.Kata kunci: Alami; Kelor; Pelatihan; Tenun; Tradisional. ABSTRACTTraditional weaving in Alor Regency, particularly in Batu Village, plays a vital role in preserving the community’s culture and economy. However, the weaving group in Batu Village still faces challenges in using natural dyes due to limited knowledge and skills in thread extraction and dyeing techniques, leading the community to rely more on synthetic dyes that are less environmentally friendly. Therefore, this community service activity was carried out through training and mentoring to improve the weaving group’s skills in utilizing natural materials as dyes. This activity was held in Batu Village on July 16–18, 2025, involving 20 members of the weaving group as activity partners. The methods used included lectures, demonstrations, hands-on practice, and mentoring in the processes of washing yarn, mordanting using alum, extracting moringa leaves, dyeing yarn, and drying. The results of the activity showed that training on the use of moringa leaves as a natural dye was able to improve participants’ understanding and skills in independently carrying out the yarn dyeing process. Additionally, the use of moringa leaves as a natural dye has the potential to increase the added value of woven products, support the use of environmentally friendly materials, and strengthen the economic empowerment of the local community.Keywords: Natural; Moringa; Training; Weaving; Traditional.

KAJIAN ETNOMATEMATIKA PADA PERMAINAN TRADISIONALMASYARAKAT ALOINDONU DAN INTEGRASINYA DALAM PEMBELAJARAN MATEMATIKA DI KABUPATEN ALOR halija salim; Fadhillah A. H. Likur; Nurdin Rahim
Jurnal Edukasi Vol. 2 No. 1 (2026): January 2026
Publisher : STKIP Muhammadiyah Kalabahi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11377/ac143224

This study aims to describe ethnomathematics in the traditional games of the Aloindonu community and to find out how to integrate ethnomathematics in traditional games in mathematics learning in Aloindonu, Alor Regency. This research is very important to be carried out so that the generation in Aloindonu village does not forget traditional games which are local cultural heritage caused by modernization. This study uses a field research method approach or field research. The presence of the author as the main instrument in conducting observations in the village of Alila Selatan, the main objective is to observe and document the types of traditional games that are still played by children directly. Data collection in this study was carried out through observation, interviews, and documentation. Data analysis techniques start from the process of data collection, data reduction, data presentation, and drawing conclusions. The results of the study show that traditional games such as Tibo' Afele (wood pry) contain elements of calculation, comparison, measurement and geometry. Hey Do' (jump rope) contains the concept of pattern measurement, geometry and calculation. Do' (senje) contains elements of measurement, pattern, and measurement. Gundu/marbles (Kuti Pot) contain aspects of counting, patterns, measurement, and geometry. And bekel balls (Loga) contain elements of calculation, patterns, measurement, and geometry. The results of this finding explain that traditional games found in Aloindonu village have relevant potential. In order to be used as an effective learning medium, this approach aims to make mathematical concepts more real and significant for students, while supporting the implementation of the Independent Curriculum which emphasizes environment-based learning and the preservation of local wisdom.

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