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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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PENGEMBANGAN ELEKTRONIK LEMBAR KERJA PESERTA DIDIK (E-LKPD) BERBASIS QUIZIZZ PADA MATERI BARISAN DAN DERET ARITMATIKA Abubakar, Nur'ainun Rahmatiya; Machmud, Tedy; Abdullah, Abdul Wahab
PHI: Jurnal Pendidikan Matematika Vol 9, No 2 (2025): EDISI OKTOBER, 2025
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/phi.v9i2.544

Penelitian ini bertujuan untuk mengembangkan Elektronik Lembar Kerja Peserta Didik (E-LKPD) berbasis Quizizz pada materi barisan dan deret aritmatika untuk kelas X SMK Negeri 1 Bulango Selatan. Metode penelitian yang digunakan adalah metode Research and Development (R&D) dengan model ADDIE yang meliputi tahapan: (1) Analisis, (2) Desain, (3) Pengembangan, (4) Implementasi, (5) Evaluasi. Subjek dalam penelitian ini adalah siswa kelas X SMK Negeri 1 Bulango Selatan yang berjumlah 24 orang. Pengumpulan data dilakukan melalui wawancara, observasi, angket respon siswa, angket respon guru, dan tes hasil belajar. Dari hasil penelitian dapat disimpulkan bahwa E-LKPD memenuhi kriteria validitas dari segi media sebesar 84,72% (valid) dan dari segi materi sebesar 86,36% (valid). Selain itu tingkat kepraktisan oleh angket guru dan siswa sebesar 100% (sangat praktis). Selain itu, berdasarkan hasil angket efektivitas E-LKPD mencapai 83% (sangat efektif) yang berarti E-LKPD yang dikembangkan layak digunakan dan terbukti valid, praktis dan efektif.

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.

THE EFFECTIVENESS OF LOCAL CULTURE-BASED MATHEMATICS LEARNING IN IMPROVING THE NUMERACY LITERACY OF STUDENTS Nadjamuddin, Asriyati; W. Pomalato, Sarson; Hulukati, Evi; Machmud, Tedy
JMIE (Journal of Madrasah Ibtidaiyah Education) Vol 9, No 2 (2025): JMIE (JOURNAL OF MADRASAH IBTIDAIYAH EDUCATION)
Publisher : PD PGMI se Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32934/jmie.v9i2.850

Students’ numeracy literacy remains a significant challenge in higher education, particularly for prospective elementary teachers who must apply mathematical concepts in real-life contexts. This study aimed to examine the effectiveness of Gorontalo culture-based mathematics learning in enhancing numeracy literacy among fifth-semester students in the Pendidikan Guru Madrasah Ibtidaiyah program at IAIN Sultan Amai Gorontalo. A one-group pretest–posttest experimental design was employed with 38 students, using validated essay tests to measure their ability to interpret quantitative information, solve contextual problems, and apply numerical reasoning. Data were analyzed using the Wilcoxon signed-rank test and N-Gain analysis. Results indicated a significant improvement in numeracy literacy, with mean scores increasing from 38.98 in the pretest to 77.82 in the posttest (Z = -5.374, p < 0.001). The mean N-Gain score of 0.64 reflected moderate effectiveness. The integration of specific Gorontalo cultural elements, including Karawo embroidery motifs, traditional house architecture (Dulohupa and Bandayo Poboide), and musical instruments (Polopalo and Gambus), helped students relate abstract geometric concepts to familiar contexts and increased engagement. In conclusion, Gorontalo culture-based mathematics learning is an effective and innovative approach to improve numeracy literacy while fostering cultural awareness among prospective teachers. This study highlights the value of integrating ethnomathematics in higher education to strengthen both mathematical competence and appreciation of local wisdom.

The effect of cooperative model type STAD assisted by interactive learning media on students' understanding of mathematical concepts Mahadi, Asmini; machmud, tedy; Pauweni, Khardiyawan A.Y.
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13834

The study's goal was to see how the cooperative learning model STAD type aided by interactive learning media in terms of students' understanding of mathematical concepts in algebra material at SMP Negeri 1 Suwawa. With 25 students per class were determined using the experimental research post-test only control group design with two classes as a research sample and simple random sampling. As a result, students' ability to understand mathematical concepts in the STAD type cooperative class is higher than in the control class's direct learning model. This is demonstrated by the mean value of students' ability to understand mathematical concepts in the STAD type cooperative model class, which is 70.36 compared to 63.48 in the control class. The inferential analysis using the t test revealed that H0 was rejected because tcount = 1.916 > ttable = 1.68. To summarize, the ability of students' concepts in the STAD type cooperative model class assisted by articulate storyline media is greater than in the direct learning model class.

ANALISIS BUTIR ESAI 10-ITEM PADA KELAS XI SMA MUHAMMADIYAH BATUDAA 2025/2026 Konijo, Nur'Ain Pratami A.; Machmud, Tedy; Rahmi, Emli
JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Vol 11, No 2 (2025)
Publisher : Universitas Bhinneka PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jp2m.v11i2.9701

In the 2025–2026 academic year, this research is to assess the quality of the math exam problems on the subject of three-variable linear equation systems in the interactive e-book for grade XI at SMA Muhammadiyah Batudaa that is based on infographics. Four primary factors were examined in the evaluation: the degree of difficulty, validity, dependability, and discriminating power. Student response sheets from a ten-question essay test served as the data source for the quantitative descriptive methodology. Twenty-seven XIA students served as the study's subjects. 50% of the questions had strong discriminating power, 10% were sufficient, 30% were poor, and 10% were extremely poor, according to the analysis's findings. Thirty percent of the questions were categorized as easy, sixty percent as moderate, and ten percent as challenging. According to validity analysis, half of the items were deemed valid and the other half were deemed invalid. The instrument has strong internal consistency, as indicated by the reliability test findings using the Cronbach's Alpha formula, which produced a coefficient value of 0.803, falling into the very high range. These results suggest that although incorrect or ineffective questions should be changed or replaced, valid and high-quality questions should be added to the question bank. To guarantee fair and accurate assessment quality, regular evaluation and instrument trials are strongly advised.

ANALISIS BUTIR SOAL MATEMATIKA MATERI TRANSFORMASI BERBASIS GEOGEBRA DI SMPN 3 SUWAWA Paneo, Wahyuni; Machmud, Tedy; Majid, Majid
JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Vol 11, No 2 (2025)
Publisher : Universitas Bhinneka PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jp2m.v11i2.9698

This study aims to analyze mathematics test items on the topic of transformations conducted at SMP Negeri 3 Suwawa for grade IX students. The research sample consisted of 30 students. The instrument used was an essay test comprising 10 questions. The research employed a quantitative descriptive method. The results of the analysis showed that out of the 10 questions, 60% were valid while 40% were invalid. The reliability coefficient obtained was 0.6945, indicating that the test was reliable. Therefore, it can be concluded that the overall quality of the test items falls into the high category.

Co-Authors Abdul Wahab Abdullah Abdul Wahab Abdullah Abdul Wahab Abdullah Abubakar, Nur'ainun Rahmatiya Akuba, Wahyuni ALI KAKU Aminuddin, Juriah Arie Anang Setyo Asmini Mahadi Bertu Rianto Takaendengan Daluta, Alpin Dewi Fatmawaty Une Dewi Rahmawaty Isa Dina Fakhriyana Duu, Siti Nuraida DWI SURYANTO Evi Hulukati Febriolah Lamusu Hasan, Regina Trichianitha Salchabila Hulopi, Renata Indriany A Kadir Kadir, Abd. Wahid Kartin Usman Konijo, Nur'Ain Pratami A. La Ode Nashar LA ODE SABRAN Lailany Yahya Lasantu, Patra Machmud, Sri Agustina Mahadi, Asmini Majid Majid Majid, Majid Maryam Suleman Melisa Mutiara Lestari Puloo Nadjamuddin, Asriyati Nancy Katili Nur Baina Nursiya Bito Oroh, Frangky Alfrits Paneo, Wahyuni 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 Sauwera, Arpina Selfiani Selfiani, Selfiani SEPRIANSYAH PAPUTUNGAN Sitria Jemin Sumarno Ismail Surialin, Surialin Tahmid Wijaya Taulia Damayanti Ummatus Sholikhah, Ummatus W. Pomalato, Sarson Yamin Ismail

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