Abstract
Abstract. This study aims to know the characteristics of mathematical communication of pre-service primary school teachers. The material used as the object of research is geometry. It requires the ability of algebra and spatial skills. The area of trapezoid is selected as the topic since it is perceived as the most complex of all plane shapes studied in primary school. It is because the calculation of the area of trapezoid entails three variables. The ability of mathematical communication involves the ability to write and explain. This ability is examined based on the background of students’ secondary school. The subjects of this study were 15 students of Primary Teacher Education, STKIP Al Hikmah Surabaya in academic year 2017-2018. The types of mathematical communication are grouped according to their characteristics. Written communication is sharpened by oral communication. The results were analyzed to investigate the relevance of such abilities with the subjects’ background of their secondary school (SMA, SMK, or MA). The results indicate that the characteristics of written communication consist of: (1) narrative, (2) procedure, and (3) dialogue. Meanwhile, the characteristics of oral communication consist of: (1) lecture, (2) instructional, and (3) discussion. Pre-service teachers graduated from SMA have better mathematical communication skills than those from SMK and MA. Keywords: Pre-service primary school teacher, mathematical communication, the area of trapezoid.
Highlights
Communication is the most important activity of human life
The present study aimed to reveal the characteristics of mathematical communication of pre-service primary school teachers based on their school origin
It is relevant to the purpose of research, namely to reveal the characteristics of mathematical communication of pre-service primary school teacher reviewed from their origin of secondary school
Summary
Communication is the most important activity of human life. Lawrence Kincaid, with the existence of human communication can form or do exchange of information with each other which will eventually come to each other understanding (Cangara, 2004: 19). For pre-service teachers, communication determines their success in transferring knowledge. In this term, communication includes written communication and oral communication. A person who has good written communication skills is likely to have good oral communication and vice versa. These two types of communication are aligned. Written and oral communications are absolutely necessary for pre-service teacher
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