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

Mathematics has been the subject in which many school-age children have revealed many
difficulties. Research carried out in an attempt to understand the causes of failure in this area …

Mathematical competence rests on develo** knowledge of concepts and of procedures (ie
conceptual and procedural knowledge). Although there is some variability in how these …

This longitudinal study examined how children's early numeracy assessed in kindergarten
predicts their mathematical performance in the first grade, after controlling for the effects of …

Nowadays the development of the Mobile Learn-ing (ML) in children's progress is thought
significant. However, its role in special preschool education is recognized crucial, as it is a …

Before they enter preschool, children vary greatly in their numerical and mathematical
knowledge, and this knowledge predicts their achievement throughout elementary school …

Arithmetic is still hugely important in many aspects of modern life, but our personal attitudes
to it differ greatly. Many people struggle with the basic principles of arithmetic, whilst others …

Children's mathematics skills undergo extensive development during the preschool years.
Opportunities for engaging in mathematics in the preschool classroom, however, are limited …

The terms conceptual knowledge and procedural knowledge are often used by teachers and
never more so than when discussing how teachers teach, and children learn mathematics …

Developmental dyscalculia (DD) and its treatment are receiving increasing research
attention. A PsychInfo search for peerreviewed articles with dyscalculia as a title word …