The studies presented in this book should be of interest to anybody concerned with the
teaching of arithmetic to young children or with cognitive development in general …

Numbers are of enormous significance for modern society. They form the basis of currency
and economic systems, of measurement and calculation, of engineering and the natural …

This study examines the conceptual origins of the meaning of the first number-words and
what role language can play in developing the notion of number. The original hypothesis is …

Adults educated either in the People s Republic of China or in Canada solved single-digit
multiplication problems. Chinese adults were faster and made fewer errors than Canadian …

Method: We compared the performance of children with very low arithmetic achievement
(VLA), children with low arithmetical achievement (LA), and typically achieving peers (TA), in …

What is the impact of calculator use on the acquisition of arithmetic facts? Some, but not all,
prior research reports that mental practice promotes better subsequent performance than …

Currently, there is a controversial debate on whether there is an abstract representation of
number magnitude, multiple different ones, or multiple different ones that project onto a …

Individuals solve arithmetic problems in different ways and the strategies they choose are
indicators of advanced competencies such as adaptivity and flexibility, and predict …

This article presents the results of an experiment whose purpose was to investigate the
mechanisms of simple addition among native speakers of Russian. The means of storage …

Arithmetical operations were assumed to remain attached to primitive behavioral models
that influence tacitly the choice of an operation even after the learner has had solid formal …