<p>This study aims to look at the visual thinking approach to students' critical mathematical attitudes. This research is a quasi-experimental study with noneqivalent control group design research design. The sample in this study was a class XI student at Yappenda Vocational High School selected through a purposive sampling technique. The research instrument used was a matter of testing Integral material. The observation results showed an increase in the activity of students and teachers at each meeting in the class that received learning with a visual thinking approach. The results showed that the learning outcomes of the control class cognitive domains found that &nbsp;with an average value of 72.45. The learning outcomes of the affective domain of the control class with an average value of 66.33 while the experimental class with an average value of 80.52. Based on the gain recapitulation table of the control class and the experimental class, it can be seen that the percentage of gain criteria is high in the experimental class so that it can be concluded that the percentage of the increase in cognitive learning outcomes of the experimental class is higher than the control class.</p>
<p><strong>Keywords:</strong> Visual Thinking learning approach, critical attitude of students.</p>