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Download full textHopkins, Sarah; Bayliss, Donna – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
In this study we investigated how 200 students in seventh grade (mean age = 12.38 years) solved simple addition problems and if the way they performed simple addition was related to their achievement in mathematics. Four performance groups were identified: proficient, almost proficient, inaccurate min counting and accurate min counting. More than…
Descriptors: Addition, Mathematics Skills, Grade 7, Problem Solving
