Aulia Sthephani
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Journal : Symmetry: Pasundan Journal of Research in Mathematics Learning and Education

PENGEMBANGAN BAHAN AJAR DENGAN MODEL GROUP INVESTIGATION (GI) PADA MATERI BANGUN DATAR SEGIEMPAT Arbayanti Arbayanti; Aulia Sthephani; Abdurrahman Abdurrahman; Endang Istikomah
Symmetry: Pasundan Journal of Research in Mathematics Learning and Education Vol. 6 No. 1 (2021): Symmetry: Pasundan Journal of Research in Mathematics Learning and Education
Publisher : Mathematics Education Study Program, FKIP, Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.615 KB) | DOI: 10.23969/symmetry.v6i1.4121

Abstract

Penelitian ini bertujuan untuk menghasilkan suatu produk berupa Rencana Pelaksanaan Pembelajaran (RPP) dan Lembar Kerja Peserta Didik (LKPD) yang valid dengan menggunakan model pembelajaran Groups Investigation (GI) pada materi bangun datar segiempat. Metode penelitian ini adalah Research and Development (R&D) yang langkah-langkahnya telah dimodifikasi yaitu: (1) Potensi dan Masalah; (2) Pengumpulan Data; (3) Desain produk; (4) Validasi Desain; (5) Revisi Desain; dan (6) Produk Akhir. Instrumen pengumpulan data pada penelitian ini adalah lembar validasi RPP dan lembar validasi LKPD. Teknik pengumpulan data yang digunakan adalah data validasi dari 4 validator yang terdiri dari 2 orang Dosen Matematika FKIP UIR dan 2 orang Guru Matematika SMP PGRI Pekanbaru. Teknik analisis yang digunakan adalah teknik analisis data validasi. Hasil penelitian pengembangan perangkat pembelajaran ini validitas RPP adalah 91,94% dan validitas LKPD adalah 91,14% yang mana memenuhi kriteria sangat valid. Maka berdasarkan hasil penelitian ini diperoleh perangkat pembelajaran dengan kriteria sangat valid atau dapat digunakan tanpa revisi.
PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS ANDROID PADA MATERI BANGUN RUANG SISI DATAR KUBUS DAN BALOK KELAS VIII SMP Nadia Hairul Nissa; Aulia Sthephani; Leo Adhar Effendi; Lilis Marlina Anggraini
Symmetry: Pasundan Journal of Research in Mathematics Learning and Education Vol. 7 No. 1 (2022): Symmetry: Pasundan Journal of Research in Mathematics Learning and Education
Publisher : Mathematics Education Study Program, FKIP, Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (887.25 KB) | DOI: 10.23969/symmetry.v7i1.5343

Abstract

ABSTRACT The development of android-based learning media is undercover in research and development. This study aims to see the results of the validity of the expansion of android-based learning media on the material for building flat sides of cubes and blocks for class VIII Junior High School. In this study, the development model refers to the R&D development model that has been according to the needs of the researcher, with the stages: (1) potential and problems, (2) data collection, (3) product design, (4) design validation, (5) design revision, (6) the final product. The research instrument used is validation. The data collection technique used a validation sheet with a Likert scale. The data analysis technique used is descriptive analysis. In the potential and problem stage, the researcher analyzes the educational situation and interviews, then collected data related to the potential and problems. After that the researchers designed the design of learning media products. The results of the analysis of research validation by three validators obtained an average validation of learning media of 82.87% that is category is quite valid or can be late with minor revisions. The conclusion of the study showed that the android-based learning media was tested valid. Keywords: Learning Media, Android, R&D, Build Flat Side Space