The development of Computational Thinking aims at empowering the individual to solve problems. It is a fundamental skill to be acquired to act in the society of the 21st century. This research is a case study that investigates the development of Computational Thinking skills, in the Remote Teaching modality, with students from the 4th and 5th year of Elementary School, in three Brazilian municipalities. The used data were obtained through an Activities Book, all unplugged and contextualized to the prevention and fight against the coronavirus, bringing content and reality closer in the pandemic moment of COVID-19. Additional qualitative data were obtained from two questionnaires that were presented together with the Activities Book to check the interest, determination and commitment. Evidence collection protocol using resources from Inferential Statistics assesses student performance, showed no difference in performance between boys and girls.