Highlights•Symbolic number knowledge mediates relationships between informal and
formal mathematics.•Numerical symbols should be emphasized in informal preschool …

Abstract Mathematics skills relate to lifelong career, health and financial outcomes.
Individuals' cognitive abilities predict mathematics performance and there is growing …

Over half of educational apps on mobile-app markets are for preschoolers, but little research
has examined whether the designs of preschool apps are truly educational. Preschoolers …

The last decade has seen a rapid growth in our understanding of the cognitive systems that
underlie mathematical learning and performance, and an increased recognition of the …

Recent accounts of number word learning posit that when children learn to accurately count
sets (ie, become “cardinal principle” or “CP” knowers), they have a conceptual insight about …

There is an ongoing debate concerning how numbers acquire numerical meaning. On the
one hand, it has been argued that symbols acquire meaning via a mapping to external …

Learning the meaning of number words is a lengthy and error‐prone process. In this review,
we highlight outstanding issues related to current accounts of children's acquisition of …

In the current study we investigated performance on the how many (how many?) and give-N
tasks. We first investigated the relative performance of three-to-five-year-old children (N …

Low-income preschoolers have lower average performance on measures of early numerical
skills than middle-income children. The present study examined the effectiveness of …

The ability to choose the larger between two numbers reflects a mature understanding of the
magnitude associated with numerical symbols. The present study explores how the …