Abstract: The aims of this study is to describe students reasoning in solving higher order thinking skills (HOTS) problems in fraction material reviewed based on adversity quotient. The subjects are three students namely one student with quitter type, camper and climber. The instruments used included the Adversity Response profile (ARP), HOTS tests and interview guidelines. The process of data collection is done by giving tests and interviews to get more in-depth information. The results showed students reasoning ability with the type of quitter had not achieved basic level thinking skills, reasoning students with the camper type were in critical thinking and the reasoning of students with the climber type was on the ability to think