<![CDATA[Analyzing, interpreting, and drawing conclusions are components of mathematical critical thinking. However, many students still struggle with these skills and have yet to master them. The primary objective of this study is to examine the impact of the Problem-Based Learning (PBL) model, integrated with a deep learning approach, on students' mathematical critical thinking skills. This study employs a quasi-experimental method with a posttest only control group design. The sample was selected using cluster random sampling, resulting in a final group of 60 students. Data were collected through tests and documentation. The analysis began with normality and homogeneity testing, followed by hypothesis testing. Based on the hypothesis test results conducted using a t test with a significance level of α = 0.05 the calculated t value was 2.247, while the critical t value was 2.001 thus, the alternative hypothesis H1 was accepted. Instruction using the Problem Based Learning (PBL) model with a deep learning approach encourages students to be more active and critical when solving the problems presented to them. Each indicator of students' mathematical critical thinking is honed through the stages of the PBL model when combined with deep learning. Consequently, it can be concluded that the Problem-Based Learning (PBL) model, when applied with a deep learning approach, influences students' mathematical critical thinking skills.]]>
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