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This study aimed to determine the types of learning obstacles in literacy skills on quantity content in terms of PISA mathematical literacy 2021 in grade VII junior high school. The approach in this research is qualitative with descriptive qualitative research type. This research was conducted at SMPN 17 Makassar and the subjects were students in grade VII. 9. Data collection techniques used observation techniques, interviews, documentation, and quantity content mathematical literacy tests. The research instruments used in data collection are observation guidelines, interview guidelines, and mathematical literacy tests of quantity content as many as 6 numbers in the form of essay questions. The data analysis technique used an interactive model and the data validity technique used data source triangulation techniques. This study's results indicate a learning obstacle in the mathematical literacy ability of quantity content of class VII. 9 SMPN 17 Makassar. Based on the results of the analysis, researchers found that there are three types of obstacles experienced by students, namely ontogeny obstacle, didactical obstacle, and epistemology obstacle. Solutions that teachers can do are providing learning motivation, reinforcing basic multiplication material, using cooperative learning methods, providing examples of varied problems, and preparing lesson plans in a relevant and dynamic manner.

Didactical analysis; mathematical literacy; learning obstacles