<![CDATA[This study aims to explore the relationship between self-efficacy and upper secondary school students’ mathematical problem-solving abilities. Self-efficacy plays a critical role in shaping students’ confidence and perseverance when facing challenges in mathematics learning. The study adopted a mixed methods approach with an embedded design, prioritizing quantitative analysis supported by qualitative insights. Data were collected through a self-efficacy questionnaire and a mathematical problem-solving test based on Polya’s stages. The results revealed a significant positive relationship between self-efficacy and students’ mathematical problem-solving skills. These findings suggest that students with higher self-efficacy tend to perform better in solving mathematical problems. Strengthening self-efficacy should therefore be an integral part of mathematics teaching strategies at the upper secondary school level.]]>
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