Child PsychologyCognitive ScienceMathematics EducationLearning SciencesChild LanguageEarly Childhood DevelopmentCognitive DevelopmentEducationNumerical CompetencePrimary EducationNumeracySocial SciencesChild Development
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The Child's Understanding of Number
U. A. Easley, Rochel Gelman, C. H. Galistell · Educational Researcher · 1979 · 1.7K citations