This study aims to analyze students’ mathematical problem-solving skills on the Pattern Number material in terms of Florence Littauer’s personality type. The data obtained through questionnaires, tests, and interviews were analyzed quantitatively and descriptively. The results of the analysis show that the percentage of problem-solving abilities at each stage starting from understanding the problem, making plans, implementing plans, to re-examining, for each personality type, which is Sanguines Personality Type students, the percentages are: 60%, 97 %, 90%, and 41%, Cholerics Personality Type students: 74%, 70%, 80%, 52%, Melancholy Personality Type students: 100%, 83%, 83%, 73%, Phlegmatics Personality Type students: 79%, 69%, 85%, and 53%. While the overall percentage of students’ problem-solving abilities for each personality type, which is Sanguines, Cholerics, Melancholy, and Phlegmatics Personality Types, the percentages are: 72%, 69%, 85%, and 72%.