Improve the Ability to Use Mathematical Representation for Junior High School Students in Vietnam
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The world's tendency to develop competence in secondary education and the need to reform secondary education in Vietnam today aim to reach UNESCO's four pillars of learning in the 21st century learning to know, learning to do, learning to be, and learning to live together. This article aims to create opportunities for students to form and develop their mathematical representation competencies through teaching Mathematics in junior high schools in Vietnam. By surveying 1390 students in 15 secondary schools about the actual situation of learning mathematical representations, to analyze, compare and propose solutions to improve mathematical representation competence for students. The results showed many opportunities for students to observe and compare, help students understand and use different mathematical representations when expressing similar relationships, and flexibility in mathematical operations in the learning process.
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