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Download full textLamb, Lisa; Bishop, Jessica; Philipp, Randolph; Whitacre, Ian; Schappelle, Bonnie – North American Chapter of the International Group for the Psychology of Mathematics Education, 2016
To better understand the role that ways of reasoning play in students' success on integer addition and subtraction problems, we examined the relationship between students' flexible use of ways of reasoning and their performance on integers open number sentences. Within groups of students in 3 participant groups--39 2nd and 4th graders who had…
Descriptors: Numbers, Addition, Subtraction, Mathematics Instruction
Sowder, Larry – 1992
Recent research suggests that many middle school students approach mathematical story problems with strategies that are not based on possible meanings for the operations, yielding success for one-step problems, but providing a weak background for approaching algebra story problems. This document reports the findings and the materials developed by…
Descriptors: Addition, Cognitive Development, Cognitive Processes, Curriculum Development
