“…According to (Tong et al, 2021) for mathematical communication One of the students is by making mathematical material contextually. The mathematical material presents questions regarding daily life and contextual, namely social arithmetic (Azzahra & Herman, 2022;Swastika et al, 2022). Based on research (Yulianti et al, 2018) students have an understanding of social arithmetic seen based on the use of appropriate mathematical language, explanations in giving mathematical steps that can be used in solving problems, drawing reasons used to solve problems which include the relationship between numbers used.…”