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Download full textMånsson, Anders – Acta Didactica Napocensia, 2022
In this paper it is investigated if the mental computation strategies in the research literature are enough to satisfactorily categorize the mental computation strategy use by preservice elementary teachers (PETs) in subtraction on two-digit natural numbers. The PETs' use of mental computation strategies is measured operationally with a written…
Descriptors: Preservice Teachers, Elementary School Teachers, Mental Computation, Subtraction
Van Der Auwera, Stijn; De Smedt, Bert; Torbeyns, Joke; Verschaffel, Lieven – Journal of Numerical Cognition, 2022
This study examined adults' frequent, efficient and adaptive use of direct subtraction (DS) and subtraction by addition (SBA) in mental multi-digit subtraction with the choice/no-choice method. Participants were offered subtractions in one choice condition (choice between DS and SBA) and two no-choice conditions (mandatory use of either DS or…
Descriptors: Subtraction, Executive Function, Addition, Undergraduate Students
Direct linkGuez, Ava; Piazza, Manuela; Pinheiro-Chagas, Pedro; Peyre, Hugo; Heude, Barbara; Ramus, Franck – Developmental Science, 2023
A converging body of evidence from neuroimaging, behavioral, and neuropsychology studies suggests that different arithmetic operations rely on distinct neuro-cognitive processes: while addition and subtraction may rely more on visuospatial reasoning, multiplication would depend more on verbal abilities. In this paper, we tested this hypothesis in…
Descriptors: Language Skills, Spatial Ability, Preschool Children, Prediction
Glaser, Maria; Knops, André – Journal of Numerical Cognition, 2023
The notion that mental arithmetic is associated with shifts of spatial attention along a spatially organised mental number representation has received empirical support from three lines of research. First, participants tend to overestimate results of addition and underestimate those of subtraction problems in both exact and approximate formats.…
Descriptors: Spatial Ability, Mental Computation, Arithmetic, Attention
Chen, Edward H.; Bailey, Drew H.; Jaeggi, Susanne M. – Journal of Numerical Cognition, 2022
Several working memory processes have been hypothesized to influence different arithmetic operations. Working memory has been compartmentalized into a number of different sub-processes, such as phonological memory and visuospatial memory that are believed to have unique contributions to the performance of two distinct arithmetic operations:…
Descriptors: Mathematics Skills, Arithmetic, Mental Computation, Learning Processes
Sayin, Volkan; Sahin, Ömer – Educational Research Quarterly, 2021
This research aimed to examine whether the activities related to mental computation strategies had any effect on the development of the second-grade elementary school students' problem-solving (PS) skills. Participants of the study are comprised of 14 children aged 7-8 years and enrolled in the second grade of the elementary school of a village.…
Descriptors: Grade 2, Elementary School Students, Problem Solving, Mental Computation
Sahin, Ömer; Danaci, Dönsel – International Journal of Mathematical Education in Science and Technology, 2022
This study aims to investigate the effect of history-of-mathematics activities on the development of mental computation of middle-grade students and to determine the students' views on the history of mathematics. This study was carried out as an action research project. The participants of the study consisted of 19 seventh-grade students studying…
Descriptors: Mathematics Education, History, Mathematics Activities, Middle School Students
