Efforts to Improve Students' Mathematical Communication Skills with Problem Based Learning (PBL) Model at SMPN 3 Yogyakarta
Abstract
This study examines the improvement of students' mathematical communication skillsithrough the application of problem-based learning (PBL) model. This researchiis a Classroom Action Research located in SMP Negeri 3 Yogyakarta and involves 32 students of class VIII as research subjects. Data were collected through mathematical communication ability tests which were analyzed quantitatively. This research consisted of two cycles. The results showed a significant improvement in students' mathematical communication skills, as evidenced by the average score that rose from 59.74 in the diagnostic test, to 68.58 in cycle I and reached 83.33 in cycle II. The improvement was also seen in students' learning completeness; the percentage of students who reached the Learning Objective Completeness Criteria (KKTP) was only 25% (8 out of 32 students) in the diagnostic test and cycle I, then jumped to 75% (24 out of 32 students) in cycle II. Thus,iit canibe concluded that the problem-based learning (PBL) learning model is effectiveiin improving students' mathematical communication skills.
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DOI: http://dx.doi.org/10.18415/ijmmu.v12i8.6916
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