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All Journal Union: Jurnal Ilmiah Pendidikan Matematika JURNAL AXIOMA : Jurnal Matematika dan Pembelajaran
Prayoga, Hanna Arsyinta
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Education Mathematics

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Analisis Kesalahan Siswa MTs dalam Menyelesaikan Soal-Soal Aljabar Menggunakan Teori Newman Aswan, Aswan; Pratiwi Putri, Dina Eki; Prayoga, Hanna Arsyinta; Oktavi, Nadia Silmi
Jurnal Axioma : Jurnal Matematika dan Pembelajaran Vol. 9 No. 1 (2024): Januari
Publisher : Universitas Islam Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/axi.v9i1.2502

Abstract

This research was conducted to analyze students' errors in solving junior high school algebra problems and the causes of these errors using Newman's theory. This research uses a quantitative descriptive approach. The research subjects were 31 class VII students. The instrument of this research is written formative test questions on algebra topics which are analyzed using Newman error analysis. Based on the results of data analysis, it was concluded that students made (1) mistakes in reading the questions; (2) mistakes in understanding the questions; (3) process skills errors, and (4) errors in writing final answers. Based on the research results, it can be concluded that based on Newman's theory, there are four mistakes made by junior high school students in solving algebra problems Keywords: student errors, Newman Theory, algebra
Development of Augmented Reality media in polyhedral space-building lessons to improve the mathematical reasoning ability Prayoga, Hanna Arsyinta; Pamungkas, Megita Dwi; Nurjanah, Arifta
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 3 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i3.17756

Abstract

Technology plays a crucial role in education, especially in supporting teachers with interactive media to enhance students' mathematical reasoning in polyhedral geometry. This study aims to improve students' mathematical reasoning by developing and utilizing valid, practical, and effective augmented reality (AR) media for polyhedral geometry. The research adopts the ADDIE development model. The validity test results of the developed media indicate a validity score of 81.79% for media and 78.33% for material, categorized as highly valid. The practicality analysis, based on student response questionnaires, yields a score of 79.08%, categorized as practical. The effectiveness analysis, based on pretest and posttest data analyzed using the Paired Sample T-test, reveals a significant value of 0.000, indicating a significant improvement in students' average scores. Furthermore, the N-Gain score of 0.64 falls into the moderate category, confirming the media's effectiveness in enhancing mathematical reasoning. In conclusion, the augmented reality learning media for polyhedral geometry is valid, practical, and effective in improving students' mathematical reasoning. Future research is encouraged to develop more innovative products to further enhance learning quality.
Co-Authors Aswan Aswan Nurjanah, Arifta Oktavi, Nadia Silmi Pamungkas, Megita Dwi Pratiwi Putri, Dina Eki