<![CDATA[This research aims to investigate the improvement of students' critical thinking skills and learning motivation using a problem-solving approach through Contextual Teaching and Learning (CTL) in the topic of statistics with the assistance of GeoGebra. This study employs a pre-experimental research design with a one-group pretest-posttest approach. The sample consists of one eighth-grade class in a public junior high school in Yogyakarta. Data collection techniques include pretests and posttests to measure students' critical thinking skills and a questionnaire to assess students' learning motivation. The paired sample t-test is utilized for data analysis. The results reveal an improvement in critical thinking skills, with an average pretest score of 49.33 and a posttest score of 85.00. Students' learning motivation also increased, with an average pretest score of 73.60 and a posttest score of 88.87. The t-test result shows a significance value of 0.000 < 0.05, indicating the rejection of the null hypothesis. This implies that there is a significant influence on students' critical thinking skills using a problem-solving approach through Contextual Teaching and Learning in the statistics subject, resulting in an enhancement of students' critical thinking skills]]>
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