![]() ![]() ![]() In contrast, nearly 50%of Taiwanese students have been able to achieve at the reasoning and advance level. Moreover, academic ability teacher is alsoanother huge factor having to be owned by each teacher (Dudley, 2013 Leong, 2013 Simon, 1995).Indonesian Education Ministry (2014) states that more than 95% of Indonesian students solve question on theapplication level only in Trend in International Mathematics and Science Study (TIMSS). They are given enormous opportunities to learn cooperatively to improve mathemat-ics achievement in order that the teacher’s role is to provide rich stimulation in various ways because environ-ment plays an important role to realize fun learning atmosphere. Therefore, cooperation and interaction among many individuals in developing mathemati-cal knowledge are needed. They have had pre-understanding used as an argument in finding thetruth of mathematics. Mathematics and Science are a vital component toimprove critical society (Ndlovu, 2011) and reasoning ability (Phonapichat, Wongwanich, & Sujiva, 2014).Success and failure as a society critical can be seen from mathematics and science learning applied in the school.In addition, mathematics is a human activity (Fruedenthal, 1991 Gravemeijer, 1994), linguistic, convention,regulation, and language (Ernest, 1991) where it should be understood by someone through social interaction sothat it can realize mathematics knowledge. ![]()
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