DEVELOPING MATHEMATICAL COMMUNICATION COMPETENCE FOR HIGH SCHOOL STUDENTS IN TEACHING ALGEBRA Luong Phuong Anh Buon Don High school Le Tuan Anh (Ha Noi National University of Education) Nguyen Thanh Hung (The University of Da Nang University of Science and Education) Abstract Mathematical communication competence is one of the five core components of mathematical competence that high school math needs to form and develop for Vietnamese students In traditional teaching, teachers have also more or[.]