Mathematical creative thinking ability is a critical ability in learning mathematics, especially in solving mathematical problems. This research is a qualitative descriptive study that aims to describe the mathematical creative thinking skills based on the mathematical resilience of grade VII F students of SMP Negeri 1 Banyumas. The research subjects were grouped into 3 categories, namely high, medium, and low mathematical resilience categories. The sampling technique used purposive sampling by taking 3 people each in each category to become respondents. Data collection was done by giving questionnaires, written tests, interviews, and documentation which were carried out online. The data analysis technique was done by reducing the data, presenting the data, and drawing conclusions. The results showed: (1) students in the high mathematical resilience category were able to provide a variety of different solutions, as well as come up with new ideas with systematic and detailed answers, (2) students in the moderate mathematical resilience category were able to provide more than one different solution with systematic answers but not detailed, and (3) students in the low mathematical resilience category can solve mathematical problems with systematic.Keywords: Mathematical Creative Thinking Skills; Mathematical Resilience AbstrakKemampuan berpikir kreatif matematis adalah kemampuan yang penting dalam pembelajaran matematika, terlebih dalam penyelesaian permasalahan matematika. Penelitian ini merupakan penelitian deskriptif kualitatif yang bertujuan untuk mendeskripsikan kemampuan berpikir kreatif matematis berdasarkan pada resiliensi matematis siswa kelas VII F SMP Negeri 1 Banyumas. Subyek penelitian dikelompokkan menjadi 3 kategori, yaitu kategori resiliensi matematis tinggi, sedang, dan rendah. Teknik pengambilan sampel menggunakan purposive sampling dengan mengambil masing –masing 3 orang pada setiap kategori untuk dijadikan responden. Pengumpulan data dilakukan dengan pemberian angket, tes tertulis, wawancara, dan dokumentasi yang dilakukan secara online. Teknik analisis data dilakukan dengan reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan: (1) siswa kategori resiliensi matematis tinggi mampu memberikan berbagai penyelesaian berbeda, serta memunculkan ide baru dengan jawaban yang sistematis dan terperinci, (2) siswa kategori resiliensi matematis sedang mampu memberikan lebih dari satu penyelesaian yang berbeda dengan jawaban yang sistematis namun tidak rinci, dan (3) siswa kategori resiliensi matematis rendah mampu menyelesaikan permasalahan matematika dengan jawaban yang sistematis.Kata Kunci: Kemampuan Berpikir Kreatif Matematis; Resiliensi Matematis

Penelitian ini bertujuan untuk memperoleh gambaran kemampuan representasi matematis ditinjau dari peminatan saat jenjang pendidikan menengah mahasiswa semester I Program Studi Pendidikan Matematika FKIP Universitas Muhammadiyah Purwokerto. Jenis penelitian digunakan adalah penelitian deskriptif kualitatif. Prosedur penelitian ini meliputi tiga tahapan utama yaitu: tahap persiapan, tahap pelaksanaan, dan tahap analisis data. Pada tahap persiapan meliputi: (a) mempersiapkan soal tes kemampuan representasi matematis; (b) menentukan subyek penelitian, yaitu dengan cara purposive sampling, sehingga diperoleh 9 Mahasiswa, 3 mahasiswa dari jenjang SMA IPA, 3 mahasiswa dari jenjang SMA IPS, 3 mahasiswa dari jenjang SMK teknik untuk diwawancarai tentang kemampuan representasi matematisnya; dan (c) membuat pedoman wawancara. Tahap pelaksanaan meliputi: (a) mengambil data jenjang pendidikan menengah mahasiswa; (b) melaksanakan tes representasi matematis; dan (c) melaksanakan wawancara. Tahap analisis data meliputi: (a) tahapan reduksi data, (b) penyajian data, dan (c) penyimpulan data. Teknik pengumpulan data yang digunakan oleh peneliti melalui beberapa cara, yaitu: tes dan wawancara. Hasil penelitian menunjukkan bahwa: (a) mahasiswa dengan latar belakang SMA IPA mempunyai kemampuan representasi matematis, (b) mahasiswa dengan latar belakang SMA IPS belum memiliki kemampuan representasi matematis, dan (c) mahasiswa dengan latar belakang SMK sudah memiliki kemampuan representasi matematis, walaupun belum sempurna.

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This research aims to identify the error of students’ answers to the quations of descriptive statistics viewed from mathematical communication skill. This is a descriptive research. The subjects of this research are 36 students of class IB. The technique of data collection used in this research is test. Based on the result of the research, it can be concluded that the errors of students’ answers to the quations of descriptive statistics viewed from mathematical communication skill are: (1) the error in presenting diagram appropriate to the objective of 30.56%; (2) the error in presenting data in the frequency distribution table of 27.78%; (3) the error in presenting data from frequency histogram to frequency distribution table of 22.22%; and (4) the inconsistency in writing symbol of 36.11%. Based on the result, it is known that the most errors of the students’ answer viewed from mathematical communication skill are the inconsistency in using the symbols.Keywords: Error identification, Mathematical Communication Skill

Although many people perceive that games harm student achievement, it is undeniable that games can have a positive effect on various student abilities, one of which is creative problem-solving in mathematics. The intensity of playing the game of course influences this influence. This study aims to describe creative problem-solving in mathematics in terms of the intensity of playing games. The research method used is descriptive with a qualitative approach. This research was conducted at SMP Negeri 2 Kutasari in the odd semester of the 2019/2020 school year. The research subjects were determined by purposive sampling technique and obtained by class IXA. The instruments used were creative problem-solving in mathematics tests and interview guides. Based on the results of the questionnaire, two students in each category were selected using purposive sampling technique for interviews. Data analysis techniques include: 1) data reduction, 2) data presentation; and 3) conclude. The results showed that students with low-intensity gameplay, either online or offline, are better at the mastery of creative problem-solving in Mathematics than students who play games with high intensity or students who do not play games.

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Each person has a different mathematical communication ability. Mathematical communication ability is a person's ability to convey information about mathematical concepts and ideas both in spoken and written form. This study aimed to describe the mathematical communication skills of students of Grade VIII of SMP Negeri 2 Purwokerto based on extracurricular activities. The type of this research was descriptive qualitative. The subjects used in this study were students of Grade VIII B SMP N 2 Purwokerto in the 2019/2020 academic year. Data were collected using the form of tests, interviews, and documentation. The test used in this study was a written mathematical communication skill test. The research subjects consisted of 2 students with academic extracurricular activities, 2 students with non-academic extracurricular activities, and 2 students with both academic and non-academic extracurricular activities. The results of this study indicated that: 1) students who only took academic extracurricular activities and students who took both academic and non-academic extracurriculars were able to present mathematical ideas in the form of images, mathematical symbols, and provide arguments for problems that were presented appropriately, and 2) students who only joined non-academic extracurricular activities, in general, had not provided arguments for a problem that was presented properly, but they were able to present mathematical ideas into the form of images and mathematical symbols appropriately.Keywords: Mathematical communication skills, extracurricular activities.