The purpose of this research is to find out what approaches exist in mathematics in Islamic economics and business. The research method used is literature by collecting sources from literacy: journals, articles, books and other written works to get the information needed. The results of the study show that mathematics uses a methodological approach: (1) Inductive-Deductive (presentation of material from specific-general examples and vice versa, then it is required to draw conclusions); (2) Informal-Formal; (3) Intuitive-Axiomatic (Intuitive: Thinking instinctively on understanding the mathematical concepts of Islamic economics and business, Axiomatic: understanding concepts by using rules); (4) Analytical-Synthetic (Analytic: how to do mathematics starting from things that are known, Synthetic: Explaining the things that are questionable); (5) Problem Sloving-Posing: using non-routine logarithms in solving, conceptualizing and assuming something to find a solution). (6) Thematic-Realistic; (7) Open-Ended; (8) Constructivism; (9) Spiral; (10) Active Student Learning Methods; and (11) Process Skills.
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