Education is the main provision to face the dynamics of life which continues to develop and

experience change. The world of education is currently facing many very complex and

diverse problems, starting from deficiencies in the learning process and learning evaluation.

Education in the 21st century requires a shift in mindset in learning methods, where major

emphasis is given to developing 21st century skills to empower students with relevant and

competitive abilities. A learning approach is needed that is able to shift the focus of learning

qualitative where the researcher will describe based on data obtained from the field. Data

students, observations and documentation at school. Data collection techniques in this

research used observation, interviews and documentation. The results of this research

showed that the PPKn teacher's strategy in increasing the dimensions of critical reasoning

is by using a variety of learning models or methods, the teacher's strategy is to get students

to like reading or literacy, the second strategy is the teacher giving examples or actual

events, the third strategy was the teacher giving HOTS questions, The fourth strategy was

that students were able to solve problems through discussions, questions and answers and

presentations and finally school facilities that support learning.