The aim of this research study is to analyze the critical attainments determined by the Board of Education in the curriculum of the eighth-grade basic lessons that is mathematics, Turkish, English, science, Atatürk and Turkish revolution history and religious culture and moral knowledge which are conducted online in this pandemic process according to P21, 21 century skills. Document analysis method was used in the study. Totally 133 critical attainments were examined and P21 was the criterion to analyze the critical attainments according to 21st century skills. Descriptive analysis was used to analyze the data. The distributions of frequencies for skills that are observed most in each lesson are similar. They are as English, mathematics, Turkish, science, religious culture and moral knowledge and Atatürk and Turkish revolution history in order. Taken related critical attainments into consideration, it is seen that each of them is related to life skills, however the distribution of them is not the same in terms of subject areas/skills. In general, and in terms of lesson level mostly learning, and innovation skills are more related to critical attainments. Besides life and career skills both in general and in terms of lesson level is not taken place frequently. Taken lesson and subject areas/skills into consideration mostly critical thinking and problem solving and information literacy skills are observed more. This study can be repeated by considering different life skills and different grades. In addition, a similar study can be carried out in other elements of the curriculum. [This article includes an extended summary in Turkish.]