“…The approach seen to develop individual potential and competence is the Metacognitive Learning Strategy (MLS) (Cera, Mancini & Antionetti, 2013;Hasbullah, 2015;Schraw & Moshman, 1995). Previous studies have proven and reported that MLS was significant and influenced the effectiveness of mathematical learning (Acar & Ader, 2017;Adnan & Arsad Bahri, 2018;Amin & Sukestiyarno, 2015;Daher, Anabousy & Jabarin, 2018;Du Toit & Du Toit, 2013;Suriah, Inprasitha & Sangaroon, 2013). Mastery of student mathematics through MLS is greater than conventional methods (Amin & Sukestiyarno, 2015;Habullah, 2015;Suriyon, Inprasitha & Sangaroon, 2013).…”