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All Journal Kreano, Jurnal Matematika Kreatif-Inovatif Union: Jurnal Ilmiah Pendidikan Matematika
Nuha, Muhammad 'Azmi
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Education Mathematics

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Analisis Kemampuan Pemecahan Masalah Geometri dan Karakter Siswa SMP Kelas VIII Melalui Pembelajaran Model 4K Nuha, Muhammad 'Azmi; Suhito, S.; Masrukan, Dr.
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 5, No 2 (2014): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v5i2.4549

Abstract

Tujuan penelitian ini adalah untuk mengetahui deskripsi kemampuan pemecahan masalah geometri, karakter disiplin, dan karakter toleransi pada siswa SMP kelas 8. Pengambilan sampel dalam peneltian ini menggunakan teknik purposive sampling. Dari hasil kemampuan awal yaitu hasil tes materi lingkaran kemudian diranking dan dibagi atas 3 kelompok kelas yaitu siswa berprestasi tinggi, sedang dan rendah. Seting pembelajaran dalam penelitian ini menggunakan Model 4K. Model 4K adalah model pembelajaran yang bercirikan karakter, kinerja, kreatif, dan konservatif. Hasil penelitian menyebutkan bahwa kemampuan memahami permasalahan subjek penelitian pada pembelajaran Model 4K tinggi. Kemampuan merencanakan penyelesaian dari keenam subjek penelitian memperlihatkan sebuah tingkatan yang menyatakan bahwa siswa yang prestasinya lebih tinggi dalam hal membuat perencanaan lebih baik daripada siswa yang prestasinya lebih rendah. Hasil penelitian pada karakter menyebutkan bahwa strategi pembelajaran keteladanan, habituasi dan penguatan, serta berpikir reflektif dapat memberikan karakter disiplin dan toleransi yang tinggi pada subjek penelitian.The purpose of this study was to determine the description of the geometry problem solving skills, disciplined character, and the character of tolerance in junior high school students’ grade 8. The samples in this research using purposive sampling technique. From the results of the initial capabilities are the result of the test material circle then be ranked and divided into three groups, namely the class of outstanding students of high, medium and low. Setting learning in this study using the model 4K. Model 4K is a learning model that is characterized by character, performance, creative and conservative. The study says that the ability to understand the problems the subject of research on learning Model 4K high. The ability to plan the completion of the six subjects showed a level which states that higher student achievement in terms of making the planning better than lower student achievement. Results of research on the character states that exemplary learning strategies, habituation and reinforcement, as well as reflective thinking can provide character discipline and a high tolerance on the subject of research. 
Newman’s error analysis at mathematics pre-service teachers in solving literacy problems Nuha, Muhammad 'Azmi; Alfathy, Ragil Meita; Sangco, Retchelle P.
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.20038

Abstract

This study aims to: (1) to provide an overview of the errors of prospective mathematics teacher students in solving mathematics literacy problems based on Newman's Error Analysis, and (2) to provide an overview of the factors that cause prospective mathematics teacher students to make errors in solving mathematics literacy problems. This research is qualitative research using a grounded theory approach. The subjects of this study are 92 prospective mathematics teacher students in the study program of Tadris Mathematics UIN Prof. K.H. Saifuddin Zuhri Purwokerto. The data collection techniques in this study are: (1) test and (2) interview. The analysis technique in this study uses qualitative data analysis techniques consisting of (1) data reduction, (2) data presentation, and (3) conclusion drawn. The data validity technique used in this study is triangulation. The results of the study show that: (1) reading error, comprehension error, and encoding error are not problems for students in solving mathematical literacy problems, transformation errors are problems for students because the errors are found in all four mathematics literacy questions, and process skill errors are problems for students in mathematics literacy questions that measure the ability to connect mathematical facts/concepts to make problem-solving procedures work, and (2) factors that cause prospective mathematics teacher students to make errors in solving mathematical literacy problems include: (a) errors in making mathematical models that involve time, (b) errors in length accuracy, (c) errors affected by images, (d) errors in replacing unknown values with spelling, (e) errors in recalling information, (f) errors in estimating the shape of the 3D Geometric Shapes, (g) errors in remembering mathematical formulas,  (h) error in choosing adjacent concepts, (i) error not recognizing mathematical concepts, (j) error preparing calculations, (k) error converting units, and (l) error inferring with estimates.
Co-Authors Dr. Masrukan, Dr. Ragil Meita Alfathy, Ragil Meita Sangco, Retchelle P. Suhito Suhito