The relation between working memory, number sense, and mathematics throughout primary education in children with and without mathematical difficulties

Michel Nelwan*, Ilona Friso-van den Bos, Constance Vissers, Evelyn Kroesbergen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Number sense and working memory contribute to mathematical development throughout primary school. However, it is still unclear how the contributions of each of these predictors may change across development and whether the cognitive contribution is the same for children with and without mathematical difficulties. The aim of the two studies in this paper was to shed light on these topics. In a cross-sectional design, a typically developing group of children (study 1; N = 459, Grades 1–4) and a group with mathematical difficulties (study 2; N = 61, Grades 4–6) completed a battery of number sense and working memory tests, as well as a measure of arithmetic competence. Results of study 1 indicated that number sense was important in first grade, while working memory gained importance in second grade, before predictive value of both predictors waned. Number sense and working memory supported mathematics development independently from one another from Grade 1. Analysis of task demands showed that typically developing children rely on comprehension and visualization of quantity-to-number associations in early development. Later in development, pupils rely on comparing larger numerals and working memory until automatization. Children with mathematical difficulties were less able to employ number sense during mathematical operations, and thus might remain dependent on their working memory resources during arithmetic tasks. This suggests that children with mathematical difficulties need aid to employ working memory for mathematics from an early age to be able to automatize mathematical abilities later in development.

Original languageEnglish
Number of pages28
JournalChild neuropsychology
Early online date2 Aug 2021
DOIs
Publication statusE-pub ahead of print/First online - 2 Aug 2021

Keywords

  • arithmetic
  • mathematics
  • MLD
  • number sense
  • Working memory

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