Penerapan metode realistic mathematics education (rme) untuk meningkatkan penguasaan konsep, ketrampilan berfikir kritis, dan ketrampilan berkomunikasi siswa kelas xi IPA pada pelajaran matematika

Siagian, Samuel Mabel (2017) Penerapan metode realistic mathematics education (rme) untuk meningkatkan penguasaan konsep, ketrampilan berfikir kritis, dan ketrampilan berkomunikasi siswa kelas xi IPA pada pelajaran matematika. Masters thesis, Universitas Pelita Harapan.

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Abstract

Mastery of concepts, critical thinking, and communication skills, are essential components in learning mathematics. Each student is expected to have these competence in learning mathematics to be able to solve problems. This research aims to analyze the implementation of Realistic Mathematics Education(RME), the increment of concepts‟ mastery, critical thinking skills, and communication skills of students by implementing Realistic Mathematics Education (RME) method. This research was conducted on students of class XI Senior High School LENTERA HARAPAN Curug-Tangerang during March 2017. The research method applied is Classroom Action Research (CAR). Research subject were 31 students. The data was obtained by the post-test results, observation sheets, and student questionnaires.Based on the results obtained, all of the steps of RME method based on the characteristics could be implemented well in the mathematics lesson, students' mastery of concepts increased in the third cycle; the students who achieve the standard minimum are 80%, pass the requirement standard which is 75%.Critical thinking skills also increased in the third cycle with the achievement of 83.33% on the observations and the result of student questionnaires is more than 75% answered strongly agree and agree.The minimum standard requirement of critical thinking skills‟ mastery is 75%.Communication skills also achieved the same thing, which is increase at third cycle with the achievement of 90% of the total number of students reached minimum standard and more than 75% of the number of students answered the questionnaire with strongly agree and agree. The minimum standard requirement of communication skills is 75%. / Penguasaan konsep, keterampilan berpikir kritis dan keterampilan berkomunikasi merupakan kompetensi yang sangat dibutuhkan dalam pelajaran matematika. Setiap siswa diharapkan memiliki kompetensi tersebut dalam pembelajaran matematika agar mampu menyelesaikan permasalahan yang ada. Tujuan penelitian ini adalah menganalisis penerapan metode Realistic Mathematics Education (RME), peningkatan penguasaan konsep, keterampilan berpikir kritis, dan keterampilan berkomunikasi siswa. Penelitian ini dilakukan pada siswa kelas XI SMA LENTERA HARAPAN Curug – Tangerang selama bulan Maret 2017. Metode penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK). Subjek penelitian berjumlah 31 siswa. Data diperoleh dari hasil post-test, lembar observasi, dan angket siswa. Hasil penelitian yang diperoleh yaitu semua langkah-langkah metode RME berdasarkan karakteristiknya dapat diterapkan dalam pembelajaran matematika, penguasaan konsep siswa meningkat pada siklus tiga dengan siswa yang mencapai KKM 80 %, melewati syarat ketuntatasan yaitu 75 %. Keterampilan berpikir kritis meningkat pada siklus tiga dengan pencapaian 83,33 % pada hasil observasi dan hasil angket siswa menunjukkan lebih dari 75 % menjawab sangat setuju dan setuju. Syarat ketuntasan keterampilan berpikir kritis adalah 75%. Keterampilan berkomunikasi juga mengalami peningkatan, semakin meningkat pada siklus tiga dengan pencapaian 90 % dari jumlah siswa mencapai KKM dan lebih dari 75 % dari jumlah siswa yang menjawab angket dengan sangat setuju dan setuju. Syarat ketuntasan keterampilan berpikir kritis adalah 75%.

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