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Download full textHartmann, Julia; Herzog, Moritz; Fritz, Annemarie – International Electronic Journal of Elementary Education, 2022
The conceptual development of natural number in preschoolers is well-researched. However, less is known about the conceptual development of zero. Recent studies suggest that children develop an understanding of zero after learning to count. It remains unclear, when a conceptual understanding of "zero" as number word for an empty set…
Descriptors: Preschool Children, Number Concepts, Computation, Concept Formation
Kortenkamp, Ulrich; Ladel, Silke – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
Place value is a key concept for numbers that is introduced in early mathematics. It is necessary to have a flexible understanding of place value for efficient arithmetic strategies and success in written algorithmic arithmetic. In our research we explore typical mistakes and misconceptions that occur with 3rd graders in German elementary school…
Descriptors: Number Concepts, Concept Formation, Foreign Countries, Elementary School Mathematics
