“…of single-digit numbers and all the division facts whose quotient is a single digit (e.g., 6:2, 24:3, etc.) (Baykul, 2006;Bliss et al, 2010;McCallum and Schmitt, 2011;McCallum, Skinner, Turner and Seacker, 2006;Poncy, Skinner and Jaspers, 2007;Yıkmış and Kot, 2017). The acquisition of many high-level mathematical skills that are required for students to participate independently in everyday life such as money, knowing how to use a watch, and time calculation (Gurganus, 2017;Hudson and Miller, 2006;McCallum, Schmitt, Schneider, Rezzetano and Skinner, 2010;Stein, Kinder, Silbert and Carnine, 2006) depends on the full learning of basic math skills (Aspiranti, Skinner, McCleary and Cihak, 2011;Hinton, Strozier and Flores, 2014;Kleinert, Codding, Minami and Gould, 2018).…”