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All Journal SIGMA: Jurnal Pendidikan Matematika Numeracy : Jurnal Ilmiah Pendidikan Matematika Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) AKSIOMA : Jurnal Matematika dan Pendidikan Matematika

Usman

Universitas Syiah Kuala

Author-ID : 3938496

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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Articles

EKSPLORASI ASPEK-ASPEK PEMAHAMAN SISWA SMA DALAM MENYELESAIKAN SOAL PERBANDINGAN TRIGONOMETRI Usman; RM Bambang S; M. Hasbi
Jurnal Numeracy Vol 3 No 2 (2016)
Publisher : Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena

Penelitian ini bertujuan untuk mendeskripsikan aspek-aspek pemahaman siswa SMA dalam menyelesaikan soal perbandingan trigonometri. Penelitian ini merupakan jenis penelitian kualitatif dalam bentuk deskriptif. Subjek penelitian adalah siswa kelas X SMA Negeri 16 Banda Aceh yang berjumlah 21 orang. Data penelitian ini bersumber dari jawaban dan penjelasan subjek melalui wawancara. Pengumpulan data dilakukan dengan cara tes dan wawancara. Teknik analisis data dilakukan dengan mereduksi, menyajikan data, menarik kesimpulan. Dari hasil analisis disimpulkan aspek-aspek pemahaman siswa dalam menyelesaikan soal perbandingan trigonometri adalah aspek pemahaman dalam memahami soal, merencanakan penyelesaian, menyelesaikan soal, dan mengecek hasil yang telah dikerjakan.

DESKRIPSI KINERJA DAN EKSPLORASI KESULITAN BELAJAR SISWA SMA DALAM MENYELESAIKAN MASALAH KALKULUS Usman; M. Hasbi; RM Bambang S; Mahathir
Jurnal Numeracy Vol 6 No 2 (2019)
Publisher : Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena

This study aimed to describe students’ performances and explore students’ learning difficulties in solving calculus problems. This study used a qualitative descriptive approach. The subjects of this research were 23 twelfth grader students of SMAN 4 Banda Aceh, while the interview subject was one of students who had made a lot of mistakes while following the tests and communicative. The data were analyzed by displaying data, analyzing, interpreting, and concluding. The result obtained generally students’ performance in solving calculus problems involving understanding, applying, and reasoning included in middle-performing, and low-or-poor-performing. The students were difficult in applying knowledge, understanding, and reasoning in solving calculus problems. Abstrak Penelitian ini bertujuan untuk mendeskripsikan kinerja dan mengekplorasikan kesulitan belajar siswa dalam menyelesaikan masalah terkait kalkulus. Penelitian ini menggunakan metode kualitatif deskriptif. Subjek penelitian adalah siswa kelas XII SMA Negeri 4 Banda Aceh berjumlah 23 siswa, sedangkan subjek wawancara adalah salah satu siswa yang memiliki banyak melakukan kesalahan ketika mengerjakan tes dan komunikatif. Analisis data dilakukan dengan mendisplay data, menganalisis, menginterpretasi, dan menyimpulkan. Hasil analisis diperoleh umumnya kinerja siswa dalam menyelesaikan masalah kalkulus yang melibatkan pemahaman, aplikasi dan penalaran termasuk kategori cukup, kurang baik atau tidak baik. Kesulitan yang dilakukan siswa adalah kesulitan menggunakan pengetahuan, pemahaman, dan penalaran dalam penyelesaian masalah terkait kalkulus. Kata Kunci: Kinerja, Kesulitan Belajar, Menyelesaian Masalah Kalkulus

IMPROVING MATHEMATICAL UNDERSTANDING THROUGH ACTION, PROCESS, OBJECT AND SCHEMA BASED DISCOVERY LEARNING MODEL Handa Maya Sari; M. Ikhsan; Usman
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 3 No. 3 (2023): October (October-December)
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v3i3.2519

Learning that does not encourage students to learn in building knowledge results in weak mathematical understanding skills. The strategy that is expected to foster mathematical understanding skills is through the APOS-based discovery learning model. The purpose of this study was to determine the increase in mathematical understanding skills after receiving learning using the APOS-based discovery learning model, and to determine the interaction between learning and student levels on improving mathematical understanding skills. This study uses a quantitative approach with a pre-test and post-test control group design. The population of this study was grade VIII students of MTsN 1 Aceh Selatan by taking a sample of two classes consisting of an experimental class and a control class. The selection of samples in the study was carried out by random sampling. The instrument used in this study was a mathematical understanding ability test. The data analysis technique in this study used the ANOVA test. Based on the results of the study, it was found that there was a difference in improving students' mathematical understanding skills taught through the application of the APOS-based discovery learning model with conventional learning. Furthermore, the results of this study also identified that there was no interaction between learning and student levels on improving mathematical understanding skills. Therefore, teachers are expected to be able to expand the application of the discovery learning model to other materials without having to look at the background of the students' ability levels because this discovery learning model is suitable for application to all levels of students.

Hasil belajar siswa melalui Think Pair Share berbantuan wizer.me pada materi SPLDV di MTsN Firda Maulina; Usman; Dewi Annisa
AKSIOMA: Jurnal Matematika dan Pendidikan Matematika Vol. 16 No. 2 (2025): AKSIOMA: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/tg8q9h25

This study aims to examine student learning outcomes through a cooperative learning model using the think-pair-share method assisted by wizer.me on the subject of two-variable linear equation systems to achieve learning completeness. The research design used is a pre-experimental design with a one-group pretest-posttest design. The research sample consisted of 33 eighth-grade students selected using simple random sampling. Data collection techniques were conducted through tests and observations. Data processing techniques were carried out using inferential statistics, namely normality tests, Wilcoxon tests, and n-gain score tests. The results of the study obtained data processing , namely 4,976 > 1,645, which based on the decision criteria rejected and accepted , meaning that the learning completeness of eighth grade students on the subject of two-variable linear equation systems was achieved through the think pair share cooperative learning model assisted by wizer.me. Therefore, the application of the think-pair-share cooperative learning model assisted by wizer.me can also be applied to other materials in mathematics learning to help students become accustomed to learning both individually and in groups and familiar with the features of digital media assistance.

PENINGKATAN KEMAMPUAN PEMODELAN MATEMATIKA SISWA MELALUI MODEL PROBLEM BASED LEARNING BERBANTUAN GEOGEBRA Rauzatul Faradisa; Usman; Dwi Fadhiliani
SIGMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 18 No. 2: In Progress (Juli - Desember 2026)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/msxdkm60

Tujuan: Penelitian ini bertujuan untuk mengetahui peningkatan kemampuan pemodelan matematika siswa melalui model Problem Based Learning berbantuan GeoGebra pada materi penerapan turunan fungsi. Metode: Pendekatan yang digunakan adalah kuantitatif dengan jenis penelitian pre-eksperimental dan desain One-Group Pretest-Posttest Design. Sampel penelitian adalah 31 siswa kelas XII-1 SMA Negeri 1 Trienggadeng yang dipilih menggunakan teknik random sampling. Instrumen penelitian berupa tes kemampuan pemodelan matematika pada materi penerapan turunan fungsi. Data dianalisis menggunakan uji normalitas Shapiro-Wilk untuk mengetahui distribusi data, dilanjutkan dengan paired sample t-test untuk menguji signifikansi peningkatan kemampuan pemodelan matematika siswa. Hasil: Hasil penelitian menunjukkan penerapan model Problem Based Learning berbantuan GeoGebra dapat meningkatkan kemampuan pemodelan matematika siswa pada materi penerapan turunan fungsi. Simpulan: Temuan penelitian ini mengindikasikan bahwa penerapan Problem Based Learning berbantuan GeoGebra berkontribusi terhadap peningkatan kemampuan pemodelan matematika siswa pada materi penerapan turunan fungsi. Oleh karena itu, integrasi model Problem Based Learning dengan GeoGebra dapat dipertimbangkan sebagai alternatif strategi pembelajaran yang mendukung pengembangan kemampuan pemodelan matematika siswa.

Co-Authors Dewi Annisa Dwi Fadhiliani Firda Maulina Handa Maya Sari M. Hasbi M. Ikhsan Mahathir Rauzatul Faradisa RM Bambang S

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