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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