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Bofferding, Laura; Farmer, Sherri – North American Chapter of the International Group for the Psychology of Mathematics Education, 2016
The language that students use with whole numbers can be insufficient when learning integers. This is often the case when children interpret addition as "getting more" or "going higher." In this study, we explore whether instruction on mapping directed magnitudes to operations helps 88 second graders and 70 fourth graders solve…
Descriptors: Mathematics Instruction, Numbers, Language Usage, Teaching Methods
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Lamb, 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