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All Journal Jurnal Penelitian Pembelajaran Matematika Sekolah Uninus Journal of Mathematics Educations and Science (UJMES)
Subhi, Muhammad Ari
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Mathematics

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PROFIL KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MTs BERKEMAMPUAN MATEMATIKA TINGGI PADA MATERI BARISAN DAN DERET ARITMETIKA Subhi, Muhammad Ari; Setiaji, Ade Eky
Uninus Journal of Mathematics Education and Science (UJMES) Vol. 9 No. 2 (2024): Juli 2024
Publisher : Universitas Islam Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ujmes.v9i2.2617

Abstract

The ability to solve mathematical problems is crucial for students as it can spark curiosity, enhance the application of scientific knowledge, and encourage students to utilize all their abilities in solving everyday problems. This research is a descriptive qualitative study that aims to present the profile of the mathematical problem-solving abilities of high-achieving mathematics students at the MTs (Islamic Junior High School) level in the topic of Arithmetic Sequences and Series. The subjects of this study were two high-achieving mathematics students from the eighth grade at MTs during the second semester of the 2023/2024 academic year. The selection of subjects was based on assessment results from the previous semester. The data collection techniques used in this study were written tests, interviews, and documentation. The data analysis technique employed was interpretive analysis. The data analysis was based on Polya's problem-solving process framework. The research findings revealed that high-achieving mathematics students met the problem-solving process through the phases of understanding the problem, devising a plan, and carrying out the plan. However, high-achieving students did not fully meet the problem-solving process through the looking back phase. Therefore, special attention is needed to guide students to become accustomed to revisiting and checking their solutions when solving mathematical problems.
PENINGKATAN KEMAMPUAN PENALARAN SPASIAL SISWA MELALUI IMPLEMENTASI MEDIA PEMBELAJARAN GEOMETRY WITH AUGMENTED REALITY (GO -AR) Subhi, Muhammad Ari; Mudrikah, Achmad; Hakim, Luki Luqmanul
JP2MS Vol 7 No 2 (2023): Agustus
Publisher : Program Studi S1 Pendidikan Matematika FKIP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jp2ms.7.2.169-180

Abstract

Survei Program for International Student Assessment (PISA) pada tahun 2018 mengungkapkan bahwa Indonesia menempati peringkat ke 72 dari 79 pada katagori matematika. Ini mengindikasikan bahwa kemampuan matematika siswa di Indonesia masih tergolong rendah. Untuk memperbaiki kemampuan matematika, siswa harus mempunyai kemampuan dasar matematika. Salah satunya adalah kemampuan penalaran spasial yang memiliki tiga konstruk yaitu: rotasi mental, orientasi spasial, dan visualisasi spasial. Sebagai upaya meningkatkan kemampuan penalaran spasial siswa, maka digunakanlah media pembelajaran Geometry with Augmented Reality (GO-AR). Pendekatan penelitian eksperimen kuantitatif yang digunakan adalah Desain Pretes-Postes Grup-Statis. Populasi pada penelitian ini adalah seluruh siswa di salah satu Sekolah Menengah Pertama (SMP) di Sumedang, kelas IX semester 1 (2020/2021). Sampel pada penelitian ini adalah masing-masing 29 siswa di kelas eksperimen dan kelas kontrol. Pembelajaran pada kelas eksperimen melalui media pembelajaran GO-AR dengan model blended discovery learning (BDL), sedangkan di kelas kontrol dengan BDL. Hasil penelitian menunjukkan bahwa peningkatan kemampuan penalaran siswa yang menggunakan media pembelajaran GO-AR lebih baik dari pada siswa yang tidak menggunakan media pembelajaran GO-AR.
Co-Authors Luqmanul Hakim Mudrikah, Achmad Setiaji, Ade Eky