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All Journal AlphaMath: Journal of Mathematics Education Jurnal Cendekia : Jurnal Pendidikan Matematika
Ramzil Huda Zarista
STKIP Sinar Cendekia
Education Mathematics

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Efektivitas Pembelajaran Berorientasi Matematika Realistik untuk Membangun Pemahaman Relasional pada Materi Peluang Fathur Rahmi; Iltavia Iltavia; Ramzil Huda Zarista
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 5 No 3 (2021): Volume 5 Nomor 3 Tahun 2021
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v5i3.673

Abstract

Matematika termasuk salah satu mata pelajaran yang digeluti dari tingkat dasar, menengah hingga perguruan tinggi. Salah satu tuntutan dari pembelajaran matematika adalah kemampuan siswa dalam pemahaman relasional. Dengan dikuasainya kemampuan tersebut, siswa akan mendapatkan cara untuk bergerak dengan mudah dan terampil. Namun sesuai perkembangannya, kebanyakan siswa menghadapi kesulitan dalam menguasai konsep matematika, khususnya materi peluang. Oleh karena itu, peneliti tertarik melakukan penelitian untuk melihat kemampuan pemahaman relasional pada materi peluang. Salah satu upaya yang ditawarkan menggunakan pendekatan matematika realistik. One group pretest-posttest design menjadi pilihan metode penelitiannya. Populasinya adalah siswa kelas VIII MTsM Sulit Air semester II Tahun Ajaran 2020-2021. Sampelnya adalah siswa kelas VIII2 pada tahun pelajaran yang sama. Hasil dari penelitian ini didapatkan nilai N-Gain sebesar 0.57 dalam kategori efek sedang. Berdasarkan kategori tafsiran efektivitas adalah sebesar 56.81% dalam kriteria cukup efektif. Kesimpulannya adalah pembelajaran berorientasi matematika realistik efektif dalam membangun pemahaman relasional untuk materi peluang.
Analysis of Algebra Communication Skills and Creative Thinking Skill Levels: In Terms of Cognitive Style Wieka Septiyana; Ramzil Huda Zarista; Roudotul Hasanah
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.15950

Abstract

The students have difference in cognitive style. This research aimed to describe and analyze students’ communication skills and creative thinking skill level in view of field dependent and independent cognitive style on algebraic concept. Algebra communication skill is essential skill needed for solving mathematical problems. Algebra must be mastered by the students because related to other materials. Algebra topic analyzed in this study is quadratic equation word problems. The indicators of communication skill include (1) able to state the situation into mathematical notations, structures or symbols, (2) able to demonstrate and describe unique algorithms in problem solving, and 3) able to construct and explain real-world phenomena in graph, sentence, equation, table or other presentation. The student level of creative thinking skill can be seen from fluency, flexibility and novelty. This research used a mixed-method. The object were 16 students of junior high school in Tangerang. The data collection techniques used test and interview. Cognitive styles are grouped using the Group Embedded Figure Test (GEFT) which divide the students into field dependent (FD) and field independent (FI). The results of the study indicated that algebra communication skill of students with FD and FI were not different significantly in problem solving. Both are able to understand the problems into mathematical expressions, but not all groups state the correct mathematical equations. The students used different strategy to solve the problems. FD students used less detailed strategy, incomplete analysis, think generally, and not quite precise in writing mathematical equations, while FI students provided detailed explanations, better accuracy, think more flexibly, and state mathematical equation precisely. In general, they have same creative level.
Co-Authors Fathur Rahmi Iltavia Iltavia Roudotul Hasanah Wieka Septiyana