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All Journal Kreano, Jurnal Matematika Kreatif-Inovatif AKSIOMA: Jurnal Program Studi Pendidikan Matematika AlphaMath: Journal of Mathematics Education Jurnal Gantang NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Pendidikan Matematika (JUDIKA EDUCATION) Teorema: Teori dan Riset Matematika Prima: Jurnal Pendidikan Matematika Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang Jurnal Jendela Matematika
Westi Bilda, Westi
Universitas Muhammadiyah Tangerang
Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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MACROMEDIA FLASH: DIGITIZATION OF MATHEMATICS LEARNING MEDIA TECHNOLOGY Ahmad Fadillah; Dian Nopitasari; Westi Bilda; Ahmad Fahrudin
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 12, No 2 (2023)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v12i2.7261

Abstract

Penelitian ini bertujuan untuk mengembangkan media pembelajaran matematika macromedia Flash yang layak dan praktis ketika digunakan pada materi sistem persamaan linier dua variabel. Metode yang digunakan dalam penelitian ini adalah Research and Development (R&D) dengan menggunakan model pengembangan 4D (Four-D Models). Prosedur pada penelitian ini dilakukan dengan 3 tahap, yaitu Define (Pendefinisian), Design (Perancangan), dan Development (Pengembangan). Instrumen yang digunakan dalam penelitian ini berupa angket. Partisipan dalam penelitian ini berasal dari SMK Avicena berjumlah 20. Teknik analisis data pada penelitian ini menggunakan data kuantitatif dan data kualitatif. Berdasarkan hasil validasi ahli materi diperoleh nilai rata-rata 69% dengan kategori layak dan hasil validasi ahli media diperoleh nilai rata-rata 82% dengan kategori sangat layak. Hasil pada uji coba pengguna diperoleh nilai rata-rata 78,5% dengan kategori praktis dan menarik ketika digunakan. Hasil penelitian ini memberikan rekomendasi kepada para guru untuk menggunakan media macromedia flash sebagai salah satu alternatif dalam pembelajaran matematika di era digitalisasi teknologi.
Analisis Strategi Pemecahan Masalah Matematika Siswa Di Kelas XI Safitri, Ananda Dewi; Nupus, Zakiatun; Bilda, Westi; Raharjo, Sigit
JURNAL JENDELA MATEMATIKA Vol. 3 No. 01 (2025): Jurnal Jendela Matematika: Edisi Januari 2025
Publisher : CV. Jendela Edukasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57008/jjm.v3i01.1098

Abstract

Tujuan dari penelitian ini adalah untuk menganalisis memecahkan permasalahan matematika pada siswa kelas XI dengan langkah-langkah Polya. Menggunakan metode kualitatif, dengan pemilihan subjek yang dilakukan melalui teknik purposive sampling. Pemilihan sampel dilakukan pada 10 subjek melalui wawancara dan tiga siswa dipilih secara acak dengan memberikan soal kepada siswa kelas XI menengah sekolah atas yang terletak di salah satu Kota Tangerang. Temuan dari penelitian menunjukan bahwa masih terdapat kesulitan dan kesalahan dalam penyelesai an masalah matematika. Anak didik dengan kapasitas pemecahan masalah matematis terdapat di klasifikasi sangat tinggi dengan persentase 93,33%, peserta didik pada golongan tinggi presentase 76,67%, pelajar dalam tingkat sedang dengan persentase 60%, dan klasifikasi rendah dengan persentase 30%. Strategi yang paling sering dipakai untuk memecahkan masalah adalah trial and error, di mana kita bereksperimen untuk mencari solusi sesuai kemampuan yang kita punya. Setelah itu, kita bisa buat gambar atau diagram supaya masalahnya lebih jelas, cari pola, tulis rumus dari pola itu, dan bekerja mulai dari belakang.
OPTIMIZATION OF DIGITAL LITERACY THROUGH STEM-BASED LEARNING Saleh, Hairul; Nopitasari, Dian; Fadillah, Ahmad; Bilda, Westi; Haswati, Desty
Prima: Jurnal Pendidikan Matematika Vol 9, No 1 (2025): PRIMA : Jurnal Pendidikan Matematika
Publisher : FKIP Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/prima.v9i1.12851

Abstract

The purpose of this study is to analyze and describe students' digital literacy skills in STEM-based vector algebra courses using online learning. The participants in this study came from 30 students of the mathematics education study program at the Universitas Muhammadiyah Tangerang. The research method used is descriptive qualitative, with an instrument in the form of a digital literacy questionnaire using a likert scale. The results showed that the ability to do internet searching  indicators got a score of 77.50 with high criteria, the ability to use hypertext direction guides got a score of 77.50 with high criteria, the ability to evaluate information content got a score of 78.50 with high criteria, and the ability to compile knowledge got a score of 74.50 with medium criteria. The results of the indicator's average analysis showed that student digital literacy has an overall average of indicators with a score of 76.87 with high criteria. This study recommends the use of digital devices and STEM approaches in the learning proces
Penguatan Literasi Numerasi Pekerja Migran Indonesia (PMI) di Hong Kong Fadillah, Ahmad; Nopitasari, Dian; Bilda, Westi; Sukmawati, Rika; Yenni, Yenni; Subroto, Prawidi Wisnu
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 1 (2023): Februari
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v7i1.10782

Abstract

Literasi numerasi dibutuhkan dalam setiap aspek kegiatan, baik pada rumah, sekolah atau lingkungan masyarakat. pada kehidupan sehari-hari ketika mengatur waktu, memilih lama pekerjaan, berbelanja, merencanakan liburan atau aktivitas lainnya membutuhkan kemampuan literasi numerasi. menggunakan kemampuan literasi numerasi, para PMI akan bisa memecahkan permasalahan yang berkaitan menggunakan matematika. Kemampuan yg terkait ialah kemampuan mengaplikasikan konsep sapta, pengukuran, operasi hitung, geometri, data dan pola serta menginterpretasikan isu kuantitatif yang ada di sekeliling. Guna memperkuat kecakapan numerasi bagi PMI, perlu ditingkatkan aktivitas kegiatan yang sesuai dengan muatan numerasi yaitu dengan mengadakan pelatihan secara online bagi para PMI di Hong Kong. Metode aktivitas ini ialah menggunakan melaksanakan training dan pendekatan pada mitra yang dituju, melaksanakan pelatihan dan evaluasi. hasil evaluasi pelatihan menyatakan bahwa aktivitas pelatihan ini sangat bermanfaat bagi para PMI di Hong Kong.
An Analysis of Students in Independent Learning of Analytic Geometry During the COVID-19 Pandemic Bilda, Westi; Fadillah, Ahmad
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v4i2.2575

Abstract

The purpose of this study is to analyse the independence of students learning on the flat analytic geometry of the Covid-19. This research was conducted on students in the second semester with 72 resopondents consisting of 15 males and 52 females. Data retrieval is carried out using a self-sufficiency study poll as many as 20 items of statements that have been compiled based on learning independence indicators. The scale used in this study was the Likert scale. Data analysis to know the independence of learning students used descriptive analytical techniques with the ideal criteria namely the ideal mean and the ideal deviation standard. Based on data analysis obtained by the results of independence of learning with indicators: a self- confident is good enough (31.75%), the activeness is quite good (37.50%), discipline is good (52.10%), and responsibility is good (64.57%).
Analysis Of Student Learning Independence On Blended Learning Model Fadillah, Ahmad; Nopitasari, Dian; Bilda, Westi; Immawati, Siti Asriah; Raharjo, Sigit
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 13, No 2 (2022): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Mathematics Dept, Math. and Science Faculty, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v13i2.38512

Abstract

This research aims to describe students' learning independence in math learning in trigonometric materials. The method used in this study is a qualitative approach with descriptive methods. Participants in this study were students of SMK Avicena Tangerang Regency which amounted to 25 participants. The technique used in collecting data in this study is to provide a learning independence questionnaire consisting of 25 statements with 6 indicators. The data analysis technique used is with the student's answer percentage formula and is described using the criteria of interpreting the percentage of answers. The results of the analysis of each indicator of learning independence are: 1) Not dependent on others 78%, 2) Confidence 74%, 3) Disciplined behavior 70%, 4) Sense of responsibility 80%, 5) Learning initiative 72%, 6) Self-control 76%. The results showed that the overall average independence of students in learning by 75% with high categories. The results of this study provide recommendations to the school to support and optimize the improvement of student learning independence.Penelitian ini bertujuan untuk mendeskripsikan kemandirian belajar siswa pada pembelajaran matematika pada materi trigonometri. Metode yang digunakan dalam penelitian ini ialah pendekatan kualitatif dengan metode deskriptif. Partisipan dalam penelitian ini adalah siswa SMK Avicena Kabupaten Tangerang yang berjumlah 25 partisipan. Teknik yang digunakan dalam mengumpulkan data pada penelitian ini ialah dengan memberikan angket kemandirian belajar yang terdiri dari 25 pernyataan dengan 6 indikator. Teknik analisis data yang digunakan yaitu dengan rumus persentase jawaban siswa dan dideskripsikan menggunakan kriteria penafsiran presentase jawaban. Hasil analisis tiap indikator kemandirian belajar yaitu: 1) Tidak tergantung kepada orang lain 78%, 2) Kepercayaan diri 74%, 3) Perilaku disiplin 70%, 4) Rasa tanggung jawab 80%, 5) Inisiatif belajar 72%, 6) Pengendalian diri 76%. Hasil penelitian menunjukan bahwa rata-rata secara keseluruhan kemandirian siswa dalam belajar sebesar 75% dengan kategori tinggi. Hasil penelitian ini memberikan rekomendasi kepada pihak sekolah untuk mendukung dan mengoptimalkan peningkatan kemandirian belajar siswa.
Analysis of Students' Mathematical Problem-Solving Abilities on Systems of Linear Equations in Two Variables Ananda Dewi Safitri; Westi Bilda; Prawidi Wisnu Subroto
Jurnal Pendidikan Matematika IKIP Veteran Semarang Vol 10 No 2 (2026): Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang
Publisher : Urogram Studi Pendidikan Matematika, Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/medivesveteran.v10i2.4416

Abstract

Mathematical problem-solving ability is one of the essential competencies in mathematics learning, particularly in the topic of Systems of Linear Equations in Two Variables (SPLDV). However, many students still experience difficulties in understanding word problems, determining variables, constructing mathematical models, carrying out solution procedures, and checking the final results. This study aimed to analyze students’ mathematical problem-solving ability in SPLDV material based on Polya’s stages, namely understanding the problem, devising a plan, carrying out the plan, and looking back. This study employed a qualitative method with a descriptive approach. The research subjects were six students of class VIII F at SMP Negeri 5 Kota Tangerang, selected purposively to represent high, medium, and low ability categories. Data were collected through essay tests and interviews, and then analyzed based on the indicators of mathematical problem-solving ability at each stage of Polya’s problem-solving process. The results showed that students in the high category were able to solve problems systematically at all stages. Students in the medium category were able to understand the problem and devise a plan, but still made errors in carrying out the plan. Meanwhile, students in the low category experienced difficulties in almost all stages of problem solving. In general, the most difficult stages for students were carrying out the plan and looking back at the results. This study concludes that students’ mathematical problem-solving ability in SPLDV varies according to their ability level, with major weaknesses in the implementation and checking stages. The findings imply that mathematics instruction should place greater emphasis on modeling practice, procedural accuracy, and reflective checking of solutions.
Proses Berpikir Statistik Siswa dalam Menafsirkan Data Nupus, Zakiatun Nupus; Subroto, Prawidi Wisnu; Bilda, Westi
Jurnal Pendidikan Matematika : Judika Education Vol. 9 No. 3 (2026): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/3306ay77

Abstract

This study aims to examine students' statistical thinking processes in interpreting data and to identify their statistical thinking levels. This study used a qualitative case study design involving six tenth-grade students who were purposively selected based on their mathematical abilities. Data were collected through tests, observations, and semi-structured interviews, then analyzed based on indicators of statistical thinking stages, namely interpreting data, quantitative reasoning, organizing data, inferring, and integrating thought processes. The results showed clear differences between student ability levels: high-ability students were able to think systematically and in an integrated manner, thus reaching the analytical level; medium-ability students were able to achieve most stages but were still limited in interpretative accuracy, thus moving from the quantitative to analytical level; while low-ability students showed partial understanding and experienced misconceptions, thus moving from the idiosyncratic to transitional level. These findings indicate that statistical thinking develops gradually and is strongly influenced by conceptual understanding and data interpretation skills. Therefore, a learning design that can strengthen interpretation skills in depth is needed.   Keywords: Statistical Thinking, Student Ability, Stages of Statistical Thinking
ENHANCING SELF-REGULATED LEARNING THROUGH A CULTURE-INTEGRATED STEM FLIPPED CLASSROOM APPROACH Hairul Saleh; Dian Nopitasari; Westi Bilda; Ahmad Fadillah
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol. 15 No. 2 (2026)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v15i2.14992

Abstract

This study was prompted by the challenge of low student autonomy in traditional education and the urgent need to foster self-regulated learning (SRL) through contextually relevant methods. It examined the effectiveness of a Culture-Integrated STEM–Flipped Classroom model in improving students’ SRL. Using a quasi-experimental, pretest-posttest non-equivalent control group design, students from intact classes were assigned to an experimental group receiving the culture-integrated STEM–Flipped intervention and a control group receiving conventional instruction. SRL was measured before and after the intervention, and improvement was evaluated through gain score analysis. Results showed that the experimental group achieved a substantially higher gain (M=13.28) than the control group (M=5.44). The magnitude of the intervention effect, calculated using Cohen’s d, was d=0.88, indicating a large effect. These findings demonstrate that integrating cultural values within a STEM-based flipped learning environment can significantly enhance students’ ability to plan, monitor, and regulate their learning processes. The study concludes that combining culturally meaningful learning contexts with structured pre-class preparation and active in-class STEM problem solving provides a powerful approach for strengthening SRL.
DEVELOPMENT OF DIGITAL D'SCRATCH MEDIA IN 21ST CENTURY LEARNING Ahmad Fadillah; Dian Nopitasari; Westi Bilda
Prima: Jurnal Pendidikan Matematika Vol. 10 No. 1 (2026): PRIMA : Jurnal Pendidikan Matematika
Publisher : FKIP Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/prima.v10i1.14920

Abstract

This research aims to produce a valid and feasible scratch product for use in mathematics learning. The research was conducted using the Research & Development (R & D) method with the ADDIE model. Data collection techniques used validation questionnaires. The instruments used were in the form of validation questionnaires. The product validation results by media experts reached 82.5% and by learning experts 80%, categorized as very feasible for use. After the product was declared feasible and valid, the field test results by users showed an average score of 80.5%, with criteria of being very practical when used. The recommendation from this research is for teachers as a solution for 21st-century digital-based mathematics learning.
Co-Authors Ahmad Fadillah Ahmad Fahrudin Ananda Dewi Safitri Desty Haswati Dian Nopitasari Dwi Rizky Sulistyo Fadillah, Ahmad Fadillah, Ahmad Gatut Iswahyudi Gatut Iswahyudi Hairul Saleh Haswati, Desty Immawati, Siti Asriah Ismi Dwi Nur Aini Mardiyana Mardiyana Nopitasari, Dian Nupus, Zakiatun Nupus, Zakiatun Nupus Prawidi Wisnu Subroto Resti Yanti Rika Sukmawati Safitri, Ananda Dewi Saleh, Hairul Sigit Raharjo Subroto, Prawidi Wisnu Sukmawati, Rika Yenni Yenni