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date: 12 December 2019

Abstract and Keywords

Numerical Abilities and Arithmetic in Infancy. In this chapter, infants’ capacity to represent and manipulate numerical amounts via a precise system for small numbers (the object-tracking system) and an imprecise system for large numbers (the Approximate Number System, or ANS) is detailed. Of particular interest is the presence of an untrained ability to calculate arithmetic outcomes as a result of mathematical operations. The evidence for addition, subtraction, ordering, multiplication, and division in infancy is reviewed and links to other domains such as statistical learning are explored.

Keywords: Number, object-tracking system, Approximate Number System, Infancy, arithmetic, addition, subtraction, ordering, multiplication, division

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