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All Journal Jurnal Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Eduma : Mathematics Education Learning and Teaching KALAMATIKA Jurnal Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika JTAM (Jurnal Teori dan Aplikasi Matematika) Theorems (The Original Research of Mathematics) Jurnal Didactical Mathematics JP3M (Jurnal Penelitian Pendidikan dan Pengajaran Matematika) BERNAS: Jurnal Pengabdian Kepada Masyarakat Pasundan International of Community Services Journal (PICS-J) Jurnal Math-UMB.EDU Mosharafa: Jurnal Pendidikan Matematika
Iik Nurhikmayati
UNIVERSITAS MAJALENGKA
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The Practice of Reflection Based on Didactical Design Research: An Analysis of the Geometry Transformation Material Iik Nurhikmayati; Mohamad Gilar Jatisunda; Nunuy Ratnawulan
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 6, No 3 (2022): July
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v6i3.8441

Abstract

This study aims to identify the possibility of learning obstacles in the concept of Geometric Transformation based on the meaning of the Geometric Transformation concept that students have regarding their experience in obtaining the definition of the Geometric Transformation concept. This study uses a qualitative method and Didactical Design Research for methodological framework that contains three stages of analysis: prospective, metapedadidactic, and retrospective. Teachers who will carry out the learning reflection process based on didactical design research were chosen through purposive sampling as research participants. Forty-eight students took the written test, and then six students were selected by purposive sampling to participate in in-depth interviews. Data analysis was carried out descriptively by reducing data, presenting data, and drawing conclusions. The result indicates that the meaning of the concept of Geometry Transformation, according to students, was the mapping of points in a plane to a set of points in the same plane; the existence of inconsistencies and ambiguity of meaning, and the emergence of the findings of other meaning units of Geometric Transformation concepts. The experience of student meaning shows a tendency for students to get a sense from what is taught by teachers and books with more procedurally oriented concept meanings. Based on the purpose and experience of students' definition, there are learning obstacles in the Geometric Transformation concept, including ontogenic obstacles, epistemological obstacles, and didactical obstacles. These learning obstacles can be a valuable consideration for improving and developing learning designs related to the concept of Geometric Transformation. 
The effect of learning interest on students' mathematical critical thinking ability in vocational high school Anggun Apriliani; Nia Kania; Iik Nurhikmayati
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 3 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i3.15796

Abstract

This research investigates the impact of students' interest in learning critical mathematical thinking skills in the context of vocational high schools (SMK) by using a quantitative approach with correlational research methods. This research involved all class XI students of Ma'arif Al-Ghozali Vocational School as the population. Purposive sampling was used to select a sample of 30 students. Data analysis includes various statistical tests, including normality, linearity, correlation, and simple regression tests. The findings of this study reveal an essential relationship between students' learning interests and their mathematical critical thinking abilities. In particular, there is a significant favorable influence between interest in learning and students' critical mathematical thinking abilities. These results underscore the importance of nurturing and improving their mathematical critical thinking skills. This study contributes to our understanding of the factors influencing mathematical critical thinking skills in vocational high school students. It offers valuable insights for educators and policymakers seeking to improve mathematics education in such settings.
The influence of learning motivation on high school students' mathematical creative thinking ability Elis Rosmawati; Nia Kania; Iik Nurhikmayati
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 3 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i3.15801

Abstract

This research aims to investigate the impact of learning motivation on students' mathematical creativity. Employing correlational research techniques with a quantitative approach, the study focuses on the entire Class X population at MIPA Rajagaluh High School. The purposive sampling method was applied to select 30 students from Class X MIPA 6. Research tools included tests on creative thinking and surveys to gauge students' enthusiasm for learning. Data analysis involved correlation, linearity, and normalcy tests. The results revealed a noteworthy correlation between learning motivation and enhancing students' mathematical creative thinking skills. Learning motivation has a statistically significant influence on mathematical creative thinking abilities. These results underscore the importance of cultivating and sustaining students' learning motivation. It is recommended that teachers actively provide encouragement and guidance to nurture robust learning motivation among students.
PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK UNTUK MENINGKATKAN KEMAMPUAN REPRESENTASI PADA MATERI GEOMETRI Heni Herawati; Iik Nurhikmayati
Jurnal Math-UMB.EDU Vol. 12 No. 2 (2025): MARCH
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/mathumbedu.v12i2.7730

Abstract

Tujuan dari penelitian ini yaitu menghasilkan produk berupa Lembar Kerja Peserta Didik (LKPD) untuk mengukur kemampuan representasi pada materi geometri, yang valid dan efektif dalam meningkatkan kemampuan representasi matematis siswa. Metode yang digunakan adalah model ADDIE yang terdiri dari lima tahapan (Analisys, Design, Development, Implementation, Evaluation). Penelitian ini dibatasi hingga tahap implementasi, subjek penelitian yang terdiri dari 5 siswa kelas VIII di SMP. Instrumen yang digunakan meliputi lembar kepraktisan untuk guru dan siswa, lembar validitas dari ahli media dan materi, serta tes efektivitas. Skala likert digunakan untuk mengumpulkan hasil uji kepraktisan dan validitas, sementara analisis N-gain digunakan untuk menilai efektivitas. Hasil menunjukan skor validitas 85% dari ahli media dan 75% dari ahli materi, serta skor praktis 100% dari guru dan 80,5% dari siswa yang mengindikasikan LKPD ini valid dan praktis. LKPD ini dirancang untuk meningkatkan kemampuan representasi siswa dengan menyediakan berbagai jenis tugas yang mendorong penggambaran hubungan antara konsep matematika, seperti teorema pythagoras, dan menyajikan masalah nyata. Pengaruh penelitian ini terhadap pembelajaran matematika adalah peningkatan pemahaman siswa tentang konsep teorema pythagoras dan meningkatkan kemampuan representasi mereka dalam penguasaan materi matematika. Kata Kunci: kemampuan representasi, LKPD, teorema pyhagoras
Co-Authors Aep Sunendar Anggun Apriliani Elis Rosmawati Erik Santoso Erik Santoso Heni Herawati iis nursilawati M Gilar Jatisunda M. Gilar Jatisunda Mohamad Gilar Jatisunda Nia Kania Nunuy Ratnawulan Sudianto Sudianto Vici Suciawati