"Methode." . . . . . . . . . . . "The psychological description and explanation of how children learn to work with numbers is dominated by the theories of Piaget. Yvette Solomon suggests an alternative approach to the child's conception of number."@en . . . . . . . . . "Zahlvorstellung" . "Zahlvorstellung"@en . . . . . . . "The practice of mathematics" . "The practice of mathematics"@it . "The practice of mathematics"@en . . . . . . . . . . . . . "Electronic books"@en . . . "Cognitieve ontwikkeling." . . "matematik" . . "Entwicklung." . . "Arithmetik." . . "Mathematik." . . "læreproces" . . "indlæringsteori" . . "Kinderen." . . "Kognitive Entwicklung." . . "fag i læseplan" . . . . "Kind." . . "Wiskunde." . . "développement cognitif mathématiques Piaget, Jean." . . "Zahl." . . "talbegreb" . . "Theorie." . . "uddannelse på primært niveau" . . "EDUCATION / Elementary" . . "Zahlbegriff." . . "Entwicklungspsychologie." . .