<![CDATA[This study aims to improve student activeness through the implementation of the Problem-Based Learning (PBL) model supported by wordwall media for Grade 5B students at SDN Cibeureum Hilir 3, Sukabumi City, in the 2024/2025 academic year. The research employed the Classroom Action Research (CAR) method using the spiral model by Kemmis and McTaggart, conducted over two cycles. The study involved 24 students, and data were collected through questionnaires, student activity observation sheets, teacher activity observation sheets, and student activeness assessments. The results showed a significant increase in student activeness—from 31.38% in the pre-cycle (low category) to 62.50% in cycle 1 (moderate category), and further to 84.51% in cycle 2 (high category). The average score of student activeness observations also rose from 56.88% to 77.50%, exceeding the minimum success threshold of ≥75%. Improvements were also noted in both teacher and student activities across all stages of learning, including the introduction, problem presentation, instruction for student thinking, guiding students to solve problems individually or in groups, presenting their work, analyzing and evaluating the problem-solving process, and the closing activity. The use of wordwall media provided an engaging and interactive learning experience that encouraged students to be more active and confident during lessons. Therefore, the implementation of the PBL model supported by wordwall media proved effective in enhancing student activeness.]]>
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