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Abstract
The purpose of this study was to explore the effect of the Treffinger learning model assisted by Nearpod media on students' ability to solve mathematical problems. This study departs from the understanding of the low mathematical problem-solving skills among Indonesian students, which is reflected in various international and national study results. The Treffinger model, which encourages creative thinking through three structured stages, is combined with the use of Nearpod, an interactive learning platform, to maximize learning effectiveness. This study uses a quantitative approach with a Pretest-Posttest experimental design in one group. The subjects of the study were 30 students of class VIIA at SMP Negeri 6 Yogyakarta. The instruments consisted of essay tests and observation sheets, which had been tested for validity and reliability. Analysis of the results showed a significant increase in the average score of problem-solving ability, from 22.33 (pretest) to 77 (posttest), and the results of the paired t-test showed t-count = -19.249 with a p-value <0.001. These findings indicate that the Treffinger model supported by Nearpod is effective in improving students' mathematical problem-solving abilities. This study suggests the application of this strategy in the mathematics learning process to encourage more active student involvement and hone high-level thinking skills
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