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Sutji Rochaminah
Pendidikan Matematika FKIP, Universitas Tadulako
Education Mathematics Other

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PROFIL BERPIKIR KRITIS SISWA KELAS X SMK NEGERI 5 PALU DALAM MENYELESAIKAN MASALAH TRIGONOMETRI POKOK BAHASAN ATURAN SINUS DAN COSINUS Zulkifli; Sukayasa; Sutji Rochaminah; Bakri M.
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 3 (2022)
Publisher : Universitas Tadulako

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Abstrak: Penelitian ini bertujuan untuk mendeskripsikan berpikir kritis siswa dalam menyelesaikan masalah trigonometri pokok bahasan aturan sinus dan Cosinus berdasarkan langkah pemecahan masalah Polya, ditinjau dari tingkat kemampuan matematika. Jenis penelitian yaitu penelitian kualitatif. Subjek penelitian dipilih berdasarkan hasil ulangan harian matematika semester ganjil. Subjek penelitian sebanyak tiga siswa yaitu satu siswa berkemampuan matematika tinggi (ST), satu siswa berkemampuan matematika sedang (SS), dan satu siswa berkemampuan matematika rendah (SR). Hasil penelitian ini adalah (ST) menjawab semua kriteria berpikir kritis Ennis, pada dua tahap penyelesaian masalah, sedangkan (SS) dan (SR) tidak menjawab lengkap kriteria berpikir kritis Ennis di setiap langkah penyelesaian masalah.
PROFIL BERPIKIR KREATIF SISWA KELAS VII SMP NEGERI 4 PALU DALAM MENYELESAIKAN SOAL CERITA PECAHAN DITINJAU DARI TIPE KEPRIBADIAN INTROVERT DAN EXTROVERT Windawati; Baharuddin Paloloang; Sutji Rochaminah
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 2 (2021)
Publisher : Universitas Tadulako

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This study aims to describe the completion of fractional story problems for seventh grade students of SMP Negeri 4 Palu in terms of introvert and extrovert personality types. This type of research is a qualitative research with a qualitative descriptive approach based on indicators of creative thinking. The subjects in this study consisted of one student with an introverted personality, and one student with an extroverted personality.The results of this study indicate that: (1) Profi creative thinking students in solving fraction story problems with an introverted personality type (UA subject) obtained information that when UA reads questions repeatedly and understands questions it takes a long time to understand, UA provides a way of solving problems that are generally known by others , UA is not able to produce uniform ideas and different directions of thought, UA cannot provide unusual solutions that are rarely given by most people, UA is not able to develop, add, enrich an idea but solve problems in detail and can be understood by others. (2) Profi creative thinking of students in solving fraction story problems with extrovert personality type (subject BF) obtained information that BF reads the questions 2 times so that they can understand them, BF is able to provide more than one way of solving problems, namely three ways of solving based on the questions given by the researcher, BF was not able to produce uniform ideas but BF was able to direct his thoughts by identifying the questions after reading them, BF could not give answers that were not uncommon or that were rarely given by others because BF said that the solution method he used was the solution method that the teacher had used teach in class, BF is not able to develop, add, expand an idea but BF is able to solve problems in detail and can be understood by others.
ANALISIS KEMAMPUAN REPRESENTASI MATEMATIS SISWA DALAM MENYELESAIKAN MASALAH ARITMETIKA SOSIAL DI SMPN 18 MODEL SPMI PALU Ayu Munira; Sutji Rochaminah; Bakri M.
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 2 (2021)
Publisher : Universitas Tadulako

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This study aims to describe students' mathematical representation skills in solving Social Arithmetic problems at SMPN 18 SPMI Palu Model. This research is a qualitative research with subjects NL, WD, and ID. The results showed that subjects (NL) with high abilities and (ID) with moderate abilities had similar mathematical representation abilities, namely good and good enough in solving problems on Social Arithmetic material and fulfilling all indicators of mathematical representation ability, namely visual representation, verbal representation and representation. symbolic. Meanwhile, subjects (ID) with low ability have poor mathematical representation skills in solving problems on Social Arithmetic material and do not meet all indicators of mathematical representation ability, namely visual representation, verbal representation and symbolic representation.
PROFIL PENYELESAIAN MASALAH MATEMATIKA SISWA SMA DITINJAU DARI PERBEDAAN JENIS KELAMIN Asnur Ali; Pathuddin; Sutji Rochaminah; Sukayasa
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 2 (2021)
Publisher : Universitas Tadulako

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This study aims to describe the profile of students' mathematical problem solving in terms of gender differences. This type of research is descriptive research using a qualitative approach. The subjects of this study were students of class X SMA which consisted of one male student and one female student with high mathematical ability. The data were collected using the problem solving task method and the interview method. The results of this study include, female subjects can express verbally or in writing the information contained in the given task, the subject can develop a problem-solving plan by making an example to make a mathematical model in the form of an equation and want to solve it using a combined method, the subject carries out the settlement plan is in accordance with the problem solving plan, and the subject does not re-examine the problem solving because he does not understand how. While the male subject can verbally state the information contained in the given task, the subject can develop a problem-solving plan by making an example to make a mathematical model in the form of an equation and want to solve it using the combined method, the subject carries out a settlement plan according to the plan. problem solving, and the subject did not re-examine the problem solving because they did not know how.
Co-Authors Asnur Ali Ayu Munira Baharuddin Paloloang Bakri M. Pathuddin Sukayasa Windawati Zulkifli