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Tedy Machmud

Universitas Negeri Gorontalo

Author-ID : 311304

Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Improving Student Learning Outcomes Through the Probing Prompting Learning Model on Trigonometric Ratios in Right-Angled Triangles in Class X-MPLB-A at SMK Negeri 1 Suwawa Daluta, Alpin; Machmud, Tedy; A. Y. Pauweni, Khardiyawan
Integral (Jurnal Penelitian Pendidikan Matematika) Vol. 7 No. 1 (2024): November 2024
Publisher : Program Studi Pendidikan Matematika, Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24905/jppm.v7i1.117

This classroom action research aims to improve student learning outcomes on trigonometric ratios in right-angled triangles using the probing prompting learning model. This study is a classroom action research conducted at SMK Negeri 1 Suwawa during the even semester of the 2022/2023 academic year. The research involved 20 students and a teacher as subjects. The instruments used included teacher observation sheets, student observation sheets, and learning outcome tests. The research was conducted over 2 cycles. The results showed that the teacher's activity observations, which reached good and very good categories, increased from 80.94% to 80.95%. Similarly, the student observations that reached good and very good categories also increased from 74.99% to 79.16%. Student learning outcomes improved from 80% to 90%. All assessment aspects met the learning success indicators in the second cycle through the application of the probing prompting learning model. Based on this research, there are benefits to applying the probing prompting learning model, as it can enhance students' mathematics learning outcomes and improve their comprehension of mathematics.

Pengembangan Media Pembelajaran Berbasis Sparkol VideoScribe Pada Materi SPLTV di SMA Negeri 1 Suwawa Aminuddin, Juriah; Machmud, Tedy; Takaendengan, Bertu Rianto
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 7 No 2 (2024): FARABI: Jurnal Matematika dan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v7i2.802

The use of learning media is still limited, making students tend to be more passive during the learning process. At SMA Negeri 1 Suwawa, the learning process predominantly uses textbooks, whiteboards, LKPD, and sometimes PowerPoint. These limitations make it difficult for students to understand the material, including mathematics lessons on the material of the System of Linear Equations of Three Variables (SPLTV) which requires image visualization. With the existing problems, research was conducted by utilizing technology which aims to develop mathematics learning media using the Sparkol VideoScribe application on SPLTV material which was carried out involving 20 class X students at SMA Negeri 1 Suwawa in June. This type of research uses the Research and Development (R&D) method using the four-D development model, namely Define, Design, Develop and Disseminate. Data analysis was carried out based on expert assessments, teachers, and student responses using a Likert scale. The development assessment was carried out based on the results of three media validators as well as learning materials and obtained validation results of 77% for media and 82% for materials with criteria worth using. The results of teacher and student responses obtained an average total percentage of 98% and 85% respectively which indicates that the media used meets practical criteria. For further research, it can develop learning media that attract more students' attention in learning activities and increase the activeness of students in learning activities, especially math lessons on SPLTV material.

Meningkatkan Hasil Belajar Matematika Siswa Melalui Guided Discovery Learning pada Materi Trigonometri di Kelas X Sholikhah, Ummatus; Machmud, Tedy; Pauweni, Khardiyawan A. Y.
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 7 No 2 (2024): FARABI: Jurnal Matematika dan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v7i2.828

This study aimed to determine the improvement of student’s mathematics learning outcomes by implementhing the Guided Discovery Learning learning model on trigonometric material in grade X of SMKS (Vocational High School) Salafiyah Syafi’iyah Randangan, academic year 2023/2024. The data in this study was collected through teacher activity observation sheet, student activity observation sheet (given to 20 student), and learning outcome test. The research indicators were: the results of observation of teacher activities in managing learning activities reached at least 75%, the result of observation of student activities in receiving learning activities reached the “Active” criterion with a minimum of 75%, the result of the assessment of mathematics learning outcomes were at least 75%, and all students reached the minimum completeness criterion (75). Based on the analysis, applying the Guided Discovery Learning learning model to trigonometric material could improve students’ mathematics learning outcomes in two cycles after learning improvements were made from cycles I to II. this was marked by the escalation result of 1) observation of teacher activities in managing learning (cycle I 55,98%, and cycle II 97,06%), 2) observation of student activities during the learning process (cycle I 40%, and cycle II 93,3%), and 3) yhe average of student mathematics learning outcome (12 student or 60% in cycle I, and 18 student or 90% students completed in cycle II).

PENGEMBANGAN E-MODUL MATEMATIKA BERBASIS PROBLEMBASED LEARNING (PBL) PADA MATERI PERBANDINGAN DI KELAS VII SMP Lasantu, Patra; Machmud, Tedy; Takaendengan, Bertu Rianto
JURNAL LEMMA Vol 11, No 2 (2025): Lemma: Letters of Mathematics Education
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jl.2024.v11i2.9710

Penelitian ini bertujuan dalam pengembangan e-modul matematika dengan basis Problem-Based Learning (PBL) pada materi perbandingan di kelas VII SMP Negeri 1 Wonosari. Metode yang digunakan pada penelitian ini adalah metode pengembangan dengan model 4D (Define, design, develop & disseminate) dengan mendapatkan validasi dari ahli media dan materi serta mengukur uji kepraktisan oleh guru dan siswa. Hasil dari penelitian ini menunjukkan bahwa penggunaan e-modul dianggap sangat layak dengan perolehan skor validasi yaitu 86,75% dan skor praktis yaitu 88,64%. E-modul ini diperkaya dengan beberapa fitur yang dapat dipilih antara lain; video, kuis dan permainan yang menyesuaikan dengan kurikulum merdeka. Hasil produk penelitian ini diharapkan dapat menjadi pilihan dalam pembelajaran matematika yang inovatif dan menyenangkan.

Inovasi Media Pembelajaran Interaktif Menggunakan WPS Office pada Pembelajaran Statistika Kadir, Abd. Wahid; Machmud, Tedy; Damayanti, Taulia
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Volume 13 Issue 2 August 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/euler.v13i2.33118

Innovation in interactive learning media is essential to improve the effectiveness of statistics instruction at the junior high school level. This study aimed to develop interactive learning media based on WPS Office to support Statistics learning for eighth-grade junior high school students. The research employed the ADDIE development model, encompassing five stages: Analysis, Design, Development, Implementation, and Evaluation. The media was designed using WPS Presentation and Canva, and then converted into an Android application using Website 2 APK Builder Pro. Validation was conducted by media and subject experts; practicality was assessed by teachers and students. Validation results showed very high feasibility, with an average score of 94.32% from media experts and 95.37% from subject experts. Practicality testing yielded scores of 95.33% from teachers and 93.42% from students, indicating that the media is highly practical and engaging. The developed media is valid, practical, and relevant for supporting contextual and interactive digital learning. It has potential to improve students' conceptual understanding of statistics and their digital literacy.

Pengaruh Model Pembelajaran NHT Berbantuan Media Pembelajaran Interaktif Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Akuba, Wahyuni; Machmud, Tedy; Takaendengan, Bertu Rianto
Jambura Journal of Mathematics Education Vol 6, No 1: Maret 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i1.33414

This study investigates the impact of the cooperative learning model Numbered Heads Together (NHT) combined with interactive learning media on the mathematical problem-solving ability of eighth-grade students. The research aims to address the prevalent low levels of problem-solving competence among students by implementing an innovative student-centered learning approach. Using a quasi-experimental design with a post-test only control group, this study involved two classes selected through random sampling at SMP Negeri 1 Kwandang, with 30 students in each group. The experimental group received the NHT learning model supported by interactive media, while the control group was taught using a direct instruction method with the same media. Data were collected through validated problem-solving tests, analyzed using independent sample t-tests, normality and homogeneity tests, and effect size calculations. The results demonstrated a significant difference between the two groups, with the experimental group achieving higher problem-solving scores (mean score of 32.6 versus 27.9) and a high effect size (Cohen's d = 0.9032). These findings suggest that integrating NHT with interactive learning media effectively enhances students' mathematical problem-solving skills by fostering active engagement, collaboration, and conceptual understanding. The study highlights the importance of adopting interactive, student-centered learning models to improve mathematics education outcomes.

Development of the "GAULL" Mathematics Learning E-Module Using Crossword Games on Flat-side Space Buildings Hasan, Regina Trichianitha Salchabila; Machmud, Tedy; Pauweni, Khardiyawan A. Y.; Ismail, Sumarno
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2024)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v8i1.4951

Learning media is a very effective for teachers to improve the quality of learning and ensure that students can understand the material better. For this reason, it is necessary to design learning media that can facilitate students to understand the material being studied. This research aims to develop and implement a learning e-module by utilizing crossword games on the subject of flat-sided spatial construction for class VIII junior high school students, through a 4-D development research design, which are define, design (planning), develop (development), and dissiminate (distribution). E-module development utilizes facilities on the Heyzine website and other supporting applications such as Ms Word and Canva. The subjects of this research were 27 class VIII students at SMPN 1 Bulawa. The instruments used in this research were a questionnaire for media expert validation, a material expert validation questionnaire, a teacher respondent questionnaire and a student respondent questionnaire. The media expert validation results got a score of 3.55, including very valid criteria, while the material expert validation results got a score of 3.72 with the same criteria, which very valid. The results of the limited scale trial to see practicality through the teacher respondent questionnaire obtained a percentage of 97%, which the very practical criteria, while the student respondent questionnaire obtained a percentage of 93.57%, also included in the very practical criteria. Thus, the e-module developed is declared suitable for use and dissemination.

Deskripsi Disposisi Matematis Mahasiswa pada Mata Kuliah Kalkulus 1 Machmud, Tedy; Pusi, Rinaldi A.; Pauweni, Khardiyawan A.Y.
Mosharafa: Jurnal Pendidikan Matematika Vol. 11 No. 3 (2022): September
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v11i3.726

Disposisi matematis adalah salah satu aspek afektif yang perlu diperhatikan dalam proses perkuliahan, sebab disposisi matematis juga dapat menunjang keberhasilan belajar dalam mengikuti perkuliahan. Penelitian ini dimaksudkan untuk mendeskripsikan disposisi matematis mahasiswa Pendidikan Matematika pada mata kuliah Kalkulus 1 di Universitas Negeri Gorontalo. Penelitian melibatkan mahasiswa pendidikan matematika yang berjumlah 47 orang. Instrumen yang digunakan adalah angket, yang didampingi dengan observasi partisipatif. Disposisi matematis dilihat dari 6 indikator yaitu: (1) Percaya diri; (2) Kegigihan dan Ketekunan; (3) Fleksibel; (4) Minat dan Keingintahuan; (5) Refleksi; (6) Apresiasi. Data dianalisis secara kuantitatif dalam bentuk persentase. Hasil penelitian menunjukkan rata-rata disposisi matematis mahasiswa sebesar 69,57% yakni dengan kategori sedang. Persentase jumlah mahasiswa program studi pendidikan matematika dengan tingkat disposisi matematis yang tinggi, sedang dan rendah berturut-turut adalah 14,89%, 68,09% dan 17,02%. Mathematical disposition is an affective aspect that needs to be developed and improved during lectures because mathematical disposition can support learning success in attending lectures. This study aims to describe the mathematical disposition of Mathematics Education students in the Calculus 1 course at the State University of Gorontalo. The subjects of this study were students of mathematics education, amounting to 47 students. The instrument used is a questionnaire, which is accompanied by participatory observation. To measure the mathematical disposition of mathematics education students in the calculus 1 course, it can be seen from 6 indicators, which are: (1) Confidence; (2) Persistence and Perseverance; (3) Flexible; (4) Interests and Curiosities; (5) Reflection; (6) Appreciation. Data were analyzed quantitatively in the form of percentages. The results showed that in general the average mathematical disposition of students was 69.57%, namely in the medium category. The percentages of students in the mathematics education study program who have high, medium, and low levels of mathematical disposition are 14.89%, 68.09%, and 17.02%, respectively.

ANALISIS MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN MEDIA DIGITAL TERHADAP HASIL BELAJAR SISWA KELAS VII Duu, Siti Nuraida; Machmud, Tedy; Oroh, Frangky Alfrits
JURNAL LEMMA Vol 12, No 1 (2025): Lemma: Letters of Mathematics Education
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jl.2025.v12i1.10483

Penelitian ini bertujuan untuk menentukan adanya perbedaan media pembelajaran Problem Based Learning (PBL) Berbantuan Media Digital terhadap hasil belajar pada materi bilangan bulat. Metode penelitian ini yaitu metode kuasi eksperimen (Quasi Experimental) dengan desain penelitian pre test-posttest control design. Pengambilan sampel menggunakan teknik random sampling dengan jumlah sampel sebanyak 40 siswa MTs Al-Khairat dibagi ke dalam kelas control dan kelas eksperimen. Hasil penelitian menunjukkan adanya peningkatan hasil belajar siswa setelah melakukan pembelajaran menggunakan PBL dengan hasil belajar siswa berdasarkan rata-rata nilai posttest untuk kelas eksperimen sebesar 64,25 dan kelas kontrol sebesar 58,75. Adapun hasil uji hipotesis menggunakan uji hipotesis (t-test) pada excel menggunakan analysis toolpak (t-Test: Paired Sample for Means) sebesar 3,128 > ttabel = 2,024. Hal ini berarti menunjukkan bahwa terdapat perbedaan nilai posttest yang signifikan antara kelas eksperimen dan kelas

Analisis Kesulitan Siswa Menyelesaikan Soal Matematika Materi Vektor Kelas X SMA Terpadu Wira Bhakti Surialin, Surialin; Pomalato, Sarson W; Machmud, Tedy
Media Pendidikan Matematika Vol. 9 No. 2 (2021)
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v9i2.4457

Penelitian ini dilaksanakan di SMA Terpadu Wira Bhakti Gorontalo tahun ajaran 2020/2021 dengan tujuan untuk menganalisi dan mendeskripsikan kesulitan siswa serta faktor apa saja penyebab kesulitan siswa dalam menyelesaikan soal matematika pada materi vektor. Metode penelitian yang digunakan dalam penelitian ini adalah deskriptif analitis dengan bentuk studi kasus dimana peneliti meneliti secara intensif tentang kesulitan menyelesikan soal matematika pada materi vektor. Hasil dari penelitian ini menunjukan bahwa dalam menyelesaikan soal matematika pada materi vektor, siswa masi mengalami kesulitan dalam; (a) Penerapan fakta, (b) Penerpan Konsep, (c) Penerapan prinsip dan (d) Penerpan Operasi. Kesulitan ini dialami oleh siswa dari semua tingkat kemampuan. Faktor penyebab dari kesulitan diatas adalah; (a) tidak mampu menggali informasi yang ada dalam soal, (b) tidak mampu merubah suatu model matematika kedalam model lain, (c) salah dalam menggunakan rumus.

Co-Authors Abdul Wahab Abdullah Abdul Wahab Abdullah Abdul Wahab Abdullah Akuba, Wahyuni ALI KAKU Aminuddin, Juriah Arie Anang Setyo Arpina Sauwera Asmini Mahadi Bertu Rianto Takaendengan Daluta, Alpin Dewi Fatmawaty Une Dewi Rahmawaty Isa Dina Fakhriyana Duu, Siti Nuraida DWI SURYANTO Evi Hulukati Febriolah Lamusu Franky Alfirst Oroh Hasan, Regina Trichianitha Salchabila Indriany A Kadir Israwin Saman Juriah Aminuddin Kadir, Abd. Wahid Kartin Usman La Ode Nashar La Ode Sabran Lailany Yahya Lasantu, Patra Machmud, Sri Agustina Majid Majid Maryam Suleman Melisa Mutiara Lestari Puloo Nancy Katili Nur Baina Nur Fazria Adam Nur'Ain Pratami A. Konijo Nur'ainun Rahmatiya Abubakar Nursiya Bito Oroh, Frangky Alfrits Pauweni, Khardiyawan A.Y. Perry Zakaria Pomalato, Sarson W Pusi, Rinaldi A. Rahmi, Emli Resmawan Resmawan Rinaldi A Pusi Sarson W DJ Pomalato Sartika Sartika Selfiani Selfiani SEPRIANSYAH PAPUTUNGAN Sitria Jemin Sumarno Ismail Surialin, Surialin Tahmid Wijaya Taulia Damayanti Ummatus Sholikhah Ummatus Sholikhah, Ummatus Yamin Ismail

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