“…As well as the significant relationship between academic success and metacognition, there are studies that point out that students who have high metacognitive skills perform better in mathematics lessons (including problem solving) than students who have low metacognitive skills (Boekaerts, 1997;Jaafar & Ayub, 2010;Özsoy, 2010). Moreover, some studies pointed out that metacognitive skills are significant predictors of mathematics achievement (Cardella-Elawar, 1992;Cardella Elawar, 1995;Deseote & Roeyers, 2006;Hoek, Vanden & Terwel, 1999;King, 1990;Larson at al., 1985;Stillman & Mevarech, 2010;Van der Stel, Veenman, Deelen, Haenen, 2010;Zhao, Valcke, Desoete, & Verhaeghe, 2011). …”