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Susylawati Sinambela
SMA Negeri 14 Medan
Education

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Penerapan Model Problem Based Learning Untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa SMA Kelas X Suryani Sirait; Lisa Aryanti Pohan; Susylawati Sinambela
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7051

Abstract

This type of research is classroom action research which aims to determine the increase in students' mathematical problem solving abilities on exponential root form material through the application of the Problem Based Learning (PBL) learning model. This research was carried out in class Data collection techniques were carried out by observation, interviews and tests. The research was carried out in 2 cycles with data acquisition carried out by direct observation (peer assessment) by researchers and self-assessment by students during teaching and learning activities. Based on the data obtained, then carry out analysis using descriptive statistical analysis, namely that the parameter for the success of the research is the increase in the average student collaboration skills in each cycle. In accordance with what the researchers have done, the results of the analysis showed that the percentage increase in the average score of students' mathematical problem solving skills tests on root form material was 72.8% from cycle 1 to cycle 11 as well as a count of observations regarding the increase in the completeness of student learning outcomes from cycle 1 to cycle 2 is 55.17%.
Upaya Meningkatkan Pemahaman Konsep Dengan Model Pembelajaran Inkuiri Surya Safii; Lisa Ariyanti Pohan; Susylawati Sinambela
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7143

Abstract

This study used Classroom Action Research (CAR) aimed at improving the conceptual understanding of students in class X-3 at SMA Negeri 14 Medan on the topic of square roots and logarithms through the implementation of an inquiry-based learning model. Based on the research results and discussion, it can be concluded that the inquiry-based learning model is effective in enhancing the students' conceptual understanding. There was an improvement in students' conceptual understanding from Cycle 1 to Cycle 2, where the average class score increased from 69.87 with a classical mastery of 42.42% in Cycle 1 to an average score of 75.88 with a classical mastery of 75.76% in Cycle 2. This increase of 33.34% in classical mastery indicates significant improvement. Additionally, the learning process between the teacher and students in Cycle 2 was also better compared to Cycle 1.
Co-Authors Lisa Ariyanti Pohan Lisa Aryanti Pohan Surya Safii Suryani Sirait