“…Indeed, considerable individual differences in maths abilities, evident by the age of 4, are related to socioeconomic status (Jordan, Huttenlocher, & Levine, 1992;Klibanoff, Levine, Huttenlocher, Vasilyeva, & Hedges, 2006;Starkey, Klein, & Wakeley, 2004). Crucially, these discrepancies have been associated with differences in maths-related parent input and interaction with children at home (e.g., Blevins-Knabe & Musun-Miller, 1996;DeFlorio & Beliakoff, 2015). Much of the existing research investigating the relation between child-directed maths language and early maths understanding has been conducted specifically within the home learning environment, studying the quality and quantity of mathematical input from parent to child.…”