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Scofield, John E.; Hoard, Mary K.; Nugent, Lara; LaMendola V, Joseph; Geary, David C. – Journal of Cognition and Development, 2021
Pre-algebra mathematical competencies were assessed for a large and diverse sample of sixth graders (n = 1,926), including whole number and fractions arithmetic, conceptual understanding of equality and fractions magnitudes, and the fractions number line. The goal was to determine if there were clusters of students with similar patterns of…
Descriptors: Mathematics Instruction, Mathematics Skills, Adolescents, Competence
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Somerville, Ros; Ayre, Kate; Tunbridge, Daniel; Cole, Katy; Stollery, Richard; Sanders, Mary – Educational Psychology in Practice, 2015
This study evaluates the efficacy of a mathematics intervention devised by Essex Educational Psychology Service (EPS), UK. The intervention was designed to develop understanding and skills across four key domains within arithmetical development, by applying the principles of errorless learning, distributed practice and teaching to mastery. A…
Descriptors: Numeracy, Numbers, Mathematics Skills, Intervention