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Abstract. The aim of this paper is to describe student’s mathematisation  in solving mathematical literacy problems with space and shape contents. This study uses descriptive research with qualitative approach. Data is collected by giving the mathematical literacy problem with space and shape contents and interviews. Mathematisation in this research is described by using four  mathematisation steps. The results of this study point out that student’s mathematisation  in solving mathematical literacy problems with space and shape contents are as follows 1) formulating contextual problems into mathematical problems by verbally describing, using mathematical symbols that have been understood, and using appropriate modeling, 2) builds or uses direct mathematical objects (facts, concepts, principles, and procedures) and indirect (mathematical reasoning) to obtain mathematical solutions, 3) summarizes the results obtained from the counting operations that have been performed, and 4) the last, states that the mathematical solution obtained is correct by raising logical reasons. Students’ mathematisation is a principal process in solving mathematical literacy problem with space and shape contents so it is important to emerge students’ mathematisation in mathematical classroom or daily activities.

student; mathematisation; mathematical literacy problems; space and shape contents