“…The mathematical competencies of primary-school aged children differ from each other at the beginning of the school (Aslan, 2020;Burchinal, McCartney, Steinberg, Crosnoe, Friedman, McLoyd & Pianta, 2011;Sarama & Clements, 2009). Children with low SES have less mathematical knowledge than their peers (Aslan, 2013;Klibanoff, Levine, Huttenlocher, Vasilyeva & Hedges, 2006). It is argued that the disadvantage of children with lower SES in terms of math knowledge is due to the quality of the support parents provide to their children at home (DeFlorio & Beliakoff, 2015;Melhuish et al, 2008).…”