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Direct linkYang, Xiujie; Yu, Xiao – British Journal of Educational Psychology, 2021
Mental rotation is positively related to arithmetic ability; however, the mechanism underlying this relationship remains unclear. The possible roles of working memory, place-value concept, and number line estimation in the correlation between mental rotation and whole-number computation were investigated. One hundred and fifty-five first-grade…
Descriptors: Spatial Ability, Visualization, Arithmetic, Short Term Memory
Toll, Sylke W. M.; Kroesbergen, Evelyn H.; Van Luit, Johannes E. H. – British Journal of Educational Psychology, 2016
Background: Evidence exists that there are two main underlying cognitive factors in mathematical difficulties: working memory and number sense. It is suggested that real math difficulties appear when both working memory and number sense are weak, here referred to as the double deficit (DD) hypothesis. Aims: The aim of this study was to test the DD…
Descriptors: Young Children, Kindergarten, Grade 1, Short Term Memory
Do First Graders Make Efficient Use of External Number Representations? The Case of the Twenty-Frame
Obersteiner, Andreas; Reiss, Kristina; Ufer, Stefan; Luwel, Koen; Verschaffel, Lieven – Cognition and Instruction, 2014
External number representations are commonly used throughout the first years of instruction. The twenty-frame is a grid that contains two rows of 10 dots each, and within each row, dots are organized in two groups of five. The assumption is that children can make use of these structures for enumerating the dots, rather than relying on one-by-one…
Descriptors: Grade 1, Elementary School Students, Numbers, Number Concepts
