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All Journal Jurnal Penelitian Pembelajaran Matematika Sekolah Inovasi Matematika (Inomatika) MEGA: Jurnal Pendidikan Matematika
Nur Hasanah Syarief
Universitas Muhammadiyah Kupang
Mathematics

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Mathematical Reasoning of Prospective Mathematics Teachers in Solving Numeracy Problems Agustin Fatmawati; Uke Ralmugiz; Nur Hasanah Syarief
Jurnal Inovasi Matematika Vol 4 No 2 (2022): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1056.249 KB) | DOI: 10.35438/inomatika.v4i2.343

Abstract

Mathematical reasoning is one of the fundamental things in solving mathematical problems. This study was conducted aimed at describing the mathematical reasoning of students of the Mathematics Education study program in solving numeracy problems at the level of understanding, level of application, and level of reasoning. Numeracy questions were given to the research subjects and then interviews were conducted with 6 subjects. The data analysis techniques used follow the technical stages of data analysis including data condensation, data presentation, and drawing conclusions. The results showed that the activity at the formulating stage included the identification of significant variables and formulating mathematical situations using symbols. At the stage of working on the activity of the subject is to perform calculations and draw simple conclusions. Meanwhile, at the stage of interpreting and evaluating, the subject's activity is to evaluate mathematical results and interpret mathematical results into the context of the problem. At the level of application, Activities at the formulating stage include the identification of significant variables, making appropriate assumptions, translating problems into mathematical representations and recognizing aspects in the corresponding problem. The activity of the subject at the stage of work includes performing simple calculations, applying strategies for solving problems, and cultivating geometric representations. The activity of the subject at the stage of interpreting and evaluating includes the evaluation of mathematical results and interpreting the results into the context of the problem. At the level of reasoning activity at the formulating stage is to identify significant variables, understand and explain the relationship between the language of the context and the language of symbols, as well as represent the situation into the model. Activities at the stage of work include processing the information presented on the drawings to solve problems, performing calculations, drawing simple conclusions, and making generalizations.
PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA MODEL PROBLEM POSING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA DI SMP NEGERI MANDALA Bergita Balok; Uke Ralmugiz; Agustin Fatmawati; Nur Hasanah Syarief
MEGA: Jurnal Pendidikan Matematika Vol. 3 No. 2 (2022): MEGA: Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Universitas Muhammadiyah Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59098/mega.v3i2.833

Abstract

The purpose of this study was to determine the development of a valid, practical and effective Problem Posing Modelas a learning tool. This research and development study (R&D) with 4-D have some phases, namely: define, design, develop, and desiminate. The data collection technique used test (description/essay) and non-test (tool validation and questionnaire). The data were analyzed through validity analysis, practicality analysis, and effectiveness analysis. The instruments used in this study were questionnaires,validation sheets, Lesson Plan, student’s worksheets, and test. The study showed that lesson plan is stated to be very valid with an average score of 90.15 in the k > 80 category andstudent’s worksheets is declared very valid with an average score of 84.58 in the k > 80 category. The students and teachers’ response are stated to be very practical with the average score of 80.55 in the k > 80 category. Besides, the effectiveness is declared effective seen from the students’ learning outcomes with 72% in the 60 ≤ p < 80 category. Thus, it can be concluded that the learning tool developed, Problem Posing Model is declared valid, practical and effective so that it can be used in learning mathematics.
BAYANGAN KONSEP SISWA PADA MATERI POLA BILANGAN DITINJAU DARI KEMAMPUAN MATEMATIKA Nur Hasanah Syarief; Agustin Fatmawati; Uke Ralmugiz
JP2MS Vol 7 No 1 (2023)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jp2ms.7.1.10-19

Abstract

Penelitian ini bertujuan untuk mendeskripsikan bayangan konsep siswa pada materi pola bilangan berdasarkan kemampuan matematika. Penelitian ini merupakan penelitian deskriptif dengan pendekatan kualitatif. Subjek penelitian adalah dua siswa kelas VIII yang dipilih berdasarkan kemampuan matematikanya. Instrumen penelitian yang digunakan adalah tes dan wawancara. Hasil penelitian menunjukkan bahwa siswa dengan kemampuan matematika tinggi memiliki bayangan konsep yang sesuai dengan konsep matematika atau konsep pola bilangan. Namun, bayangan konsep siswa berkemampuan rendah tidak sesuai dengan konsep matematika pola bilangan.
Co-Authors Agustin Fatmawati Bergita Balok Ralmugiz, Uke Uke Ralmugiz