This research aims to describe the ability to solve the problems of students’ mathematics and through direct learners based on SAVI is expected to provide a change in the ability to solve problems of students class VII in Junior High School 6 Bualemo, especially on triangular material. This type of research is descriptive with a qualitative approach. The subjects in this study were two class VII students. The results of this study showed that students' math problem-solving abilities were still in the "low" category. The causes are: 1) difficulty identifying the problem given, 2) difficulty determining the height of the triangle, 3) difficulty in calculating, 4) difficulty puts value into the formula, and 5) difficulty in making a partition of the triangle story problem. So, based on this information, the alternative solution is to apply direct learning based on SAVI. SAVI-based hands-on learning can provide a student's math problem-solving skills change from a "low" category to a "high enough" category. This can be demonstrated by the change in the class's grade point average from 36.78 to 81.05. Keywords: Mathematical Problem Solving Skills, Triangles, SAVI. DOI: http://dx.doi.org/10.23960/jpmipa/v23i3.pp952-967
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