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Krida Singgih Kuncoro
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Union: Jurnal Ilmiah Pendidikan Matematika
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 2339224X     EISSN : 25793209     DOI : https://doi.org/10.30738/union
Core Subject : Education,
Education Mathematics
Union: Jurnal Ilmiah Pendidikan Matematika is a peer-reviewed open access journal published three times in a year (March, July, and November). Union: Jurnal Ilmiah Pendidikan Matematika provides a forum for lecturers, academicians, researchers, practitioners, and students to deliver and share knowledge in the form of empirical and theoretical research articles. The scope of Union is Mathematics Education which includes, but is not limited to the following topics: Mathematics Ability, Mathematics Learning Model, Mathematics Learning Media, Curriculum Development, Assessment and Evaluation, Didactical Design Research (DDR), Realistic Mathematics Education (RME), Ethnomathematics, Research and Development (RnD), PISA Task.
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Articles 12 Documents
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Search results for , issue "Vol 10 No 2 (2022)" : 12 Documents clear
Pemanfaatan Media KoCar Sebagai Pilihan untuk Meningkatkan Hasil Belajar Siswa Nawangwulan Cahyaristi; Puguh W. Prasetyo; Sugiyem Sugiyem
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v10i2.12533

Abstract

This exploration begins from the low math learning results of class VIII G understudies at SMP Negeri 1 Nubatukan. This is tracked down in the aftereffects of re-obtainment in class. Taking into account the consequences of the exploration on the Cartesian directions material, it was acquired information that there were still understudies who had not finished as per the Base Fulfillment Rules (KKM), which was 60. Of the 27 understudies, just 14 understudies or 51.85% passed. The inspiration driving this exploration is to settle on the utilization of KoCar media in the further advancement of understudy learning results on the Cartesian Directions material. The sort of exploration applied is Study hall Activity Exploration (Vehicle) which is brought out through 2 (two) cycles with each cycle comprising of 4 (four) stages, specifically the preparation, execution, perception, and assessment stages. The outcomes showed an expansion in understudies' arithmetic learning results in the wake of learning with KoCar media was applied, which was set apart by an expansion in scores from 53.22 to 82.41 in cycle II. Furthermore, understudies' activities have created during the educating and educational experience in the study hall. In light of the consequences of the execution of this learning, one might say that the utilization of KoCar media can additionally further develop the learning results of class VIII G understudies on the Cartesian Directions material.
Analisis Kesalahan Berpikir Pseudo dalam Memecahkan Masalah Matematis Ditinjau dari Self Confidence Salsabila; Ervin Azhar
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 10 No 2 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v10i2.12618

Abstract

This study aims to explain students pseudo-thinking errors on mathematical problem-solving skills  that are reviewed supported on high, medium, and low self-confidence. This research was conducted at SMAN 60 Jakarta class XI MIPA II for the 2020/2021 academic year. The subjects taken were 3 out of 38 students. This research method is a descriptive qualitative approach. Researchers used self-confidence questionnaires, problem-solving ability tests, and interviews. The material being tested is the derivative of algebraic functions. The results obtained stated that students with high self-confidence scored perfect test scores but there were a few writing errors. The completion step, therefore, included pseudo-correct thinking. Students with moderate self-confidence can do the questions well, but there are inaccuracies so that the results are wrong. Therefore, students with moderate self-confidence enter the indicator of pseudo-wrong thinking errors with information that can reflect on their answers. In students with low self-confidence, they face errors in compiling the completion steps but can rectify and find the correct answer. With this, students with low self-confidence fall into the indicator of pseudo-correct thinking errors with information on understanding the wrong concept.

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