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All Journal Journal of Education and Learning (EduLearn) Beta: Jurnal Tadris Matematika PHI: Jurnal Pendidikan Matematika Inovasi Matematika (Inomatika)
Mewa Zabeta, Mewa
Mathematics Education,STKIP Muhammadiyah OKU Timur, Sumatera Selatan, Indonesia
Humanities Education Library & Information Science Mathematics Social Sciences Other

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Desain Pembelajaran Materi Pecahan Menggunakan Pendekatan Pendidikan Matematika Realistik Indonesia (PMRI) Mewa Zabeta; Yusuf Hartono; Ratu Ilma Indra Putri
Beta: Jurnal Tadris Matematika Vol. 8 No. 1 (2015): Beta Mei
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pecahan berurutan merupakan salah satu materi penting dalam pembelajaran aljabar yang digunakan untuk mempelajari materi yang lain. Namun, faktanya masih banyak siswa yang mengalami kesulitan dalam belajar pecahan berurutan disebabkan pembelajaran yang didominasi cara-cara formal sehingga hal ini tidak dapat mendukung pemahaman siswa tentang konsep pecahan berurutan. Oleh karena itu, diperlukan aktivitas belajar yang menekankan pada pemahaman konsep daripada strategi formal. Peneliti merancang 3 aktivitas pembelajaran pecahan berurutan dengan menggunakan pendekatan PMRI.Penelitian ini bertujuan untuk memberikan kontribusi berupa Local Instrucstional Theory (LIT) tentang materi pecahan berurutan. Penelitian ini melibatkan pada siklus 1 melibatkan 6 orang siswa dan pada siklus ke 2 melibatkan 36 siswa serta seorang guru model di SMP Negeri 55 Palembang. Data dikumpulkan melalui lembar kerja siswa, pre-test, post-test, video dan interview. Data dianalisis dengan cara membandingkan Hyphotetical Learning Trajectory (HLT) dan apa yang terjadi selama proses pembelajaran. Hasil analisis menunjukkan bahwa penggunaan kartu pecahan dapat mendukung pemahaman siswa dalam memahami pecahan siswa dari tahap informal ke tahap formal.
PENGGUNAAN MEDIA YOUTUBE UNTUK MENINGKATKAN PEMAHAMAN MAHASISWA PGSD PADA MATERI SIMETRI DI STKIP MUHAMMADIYAH OKU TIMUR Mewa Zabeta
PHI: Jurnal Pendidikan Matematika Vol 5, No 1 (2021): EDISI APRIL 2021
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/phi.v5i1.127

Abstract

Penelitian ini bertujuan untuk meningkatkan pemahaman mahasiswa PGSD di STKIP Muhammadiyah OKU Timur pada materi simetri melalui penggunakan media youtube. Jenis penelitian ini adalah Penelitian Tindakan Kelas (PTK). Subyek penelitian ini adalah mahasiswa PGSD di STKIP Muhammadiya OKU Timur angkatan pertama pada tahun 2019-2020. Metode pengumpulan data dilakukan melalui metode observasi, tes dan dokumentasi. Teknik analisis data menggunakan metode yang meliputi pengumpulan data, penyajian data, dan penarikan kesimpulan. Hasil penelitian ini menunjukkan adanya peningkatan pemahaman mahasiswa mengenai konsep dasat simetri pada mata kuliah geometri dan pengukuran pada saat semester genap. hal ini dapat dilihat melalui nilai tes yang dihasilkan pada tes awal pembelajaran  nilai tertinggi 70 dan nilai terendah 35 dengan rata-rata nilai 48 dan rentan nilai 35, pada  siklus I nilai kuis 1, nilai tertinggi 72 dan nilai terendah 40 dengan rata-rata nilai 55 dan rentan nilai 32 sedangkan siklus II, nilai tertinggi 95 dan nilai terendah 65 dengan rata-rata nilai 76 dan rentan nilai 30. Kesimpulan penelitian ini adalah bahwa penggunakan media youtube dapat meningkatkan pemahaman mahasiswa PGSD di STKIP Muhammadiyah OKU Timur pada materi simetri.
Understanding the concept of percent using the egg rack E.I Pusta Siligar; Hendra Lesmana; Mewa Zabeta
Journal of Education and Learning (EduLearn) Vol 16, No 4: November 2022
Publisher : Intelektual Pustaka Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/edulearn.v16i4.20676

Abstract

This study aimed to produce a learning path that can help students understand the concept of percent using the context of an egg rack. This study used a design research method through the Indonesian Realistic Mathematics Education approach which was carried out at Elementary School No. 2 Gumawang, Indonesia. Data were obtained through observation, photos, video recordings, student activity sheets, and field documentation. The result of the research was a learning trajectory consisting of three activities; first, students explore their knowledge of egg racks which are very close to students' self-life, secondly, students change the problem into a bar form based on students' knowledge of egg racks, then students change the problem into fractions and students change the fraction with the denominator one hundred, third, students solve the percent problem in a more complicated form. The activities that have been produced and tested on percent learning using the context of an egg rack, can help students to better understand the concept of percent.
Student Difficulties in Solving Open-Ended Model Mathematics Problems Henry Kurniawan; Mewa Zabeta; Krisno Budi Prasetyo
Jurnal Inovasi Matematika Vol 5 No 1 (2023): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v5i1.350

Abstract

This descriptive-qualitative study aims to discover factors that influence students' difficulties in solving non-routine problems. The researchers employed open-ended questions that had previously been developed by researchers, ensuring that they were valid, practical, and had potential effects. The researchers brought up this topic because non-routine questions can help students improve their mathematical skills. The study's approach consisted of three stages: preparation, implementation, and data analysis. The research subjects were 31 eighth-grade students from one of Belitang's junior high schools. Data was gathered through observation, interviews, and testing. Observation was utilized to collect data on the learning process, while interviews were used to understand more profoundly and directly about students' difficulties in addressing non-routine tasks. The test was then administered to assess students' ability to solve non-routine tasks. The data was evaluated qualitatively using descriptive analysis. Based on observation and interview data, several factors contributed to students' difficulty in solving non-routine problems, including the fact that students had never worked on non-routine problems during the learning process in class, and the teacher's book only contained routine problems. In relation to the foregoing, the exam results show that students' ability to solve non-routine problems remains poor, with as many as 58.07% receiving poor grades, 19.35% receiving moderate grades, and only 22.58% receiving good grades. With this research, it is envisaged that teachers will assign numerous non-routine tasks in class in the future, allowing students' mathematical abilities to be thoroughly developed.
Co-Authors E.I Pusta Siligar Hendra Lesmana Henry Kurniawan Krisno Budi Prasetyo Ratu Ilma Indra Putri Yusuf Hartono