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Number Line Estimation with Negatives
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Bofferding, Laura; Hoffman, Andrew; Suazo, Elizabeth; Lisy, Nicole – North American Chapter of the International Group for the Psychology of Mathematics Education, 2015
When to introduce negative integers to children is an important issue in school mathematics; delaying their introduction can lead to lasting misconceptions such as one cannot subtract a larger whole number from a smaller. Yet understanding negatives involves a complex extension of whole-number knowledge. It is not known whether this extension is…
Descriptors: Elementary School Students, Elementary School Mathematics, Number Concepts, Intervention