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Wessman-Enzinger, Nicole M. – Research in Mathematics Education, 2018
This chapter describes instances of play within a teaching episode on integer addition and subtraction. Specifically, this chapter makes the theoretical distinction between integer play and playing with integers. Describing instances of integer play and playing with integers is important for facilitating this type of intellectual play in the…
Descriptors: Numbers, Mathematics Instruction, Addition, Subtraction
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Bofferding, Laura – Research in Mathematics Education, 2019
This chapter focuses on the development of concepts that children draw on as they work toward understanding negative numbers. Framed from a conceptual change lens, I discuss different interpretations children have of minus signs, numerical order, numerical values, and addition and subtraction operations and how children draw on these varied…
Descriptors: Numbers, Mathematics Skills, Concept Formation, Teaching Methods
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Bofferding, Laura – Research in Mathematics Education, 2018
This chapter focuses on the interaction of two first graders as they attempt to make sense of a particular instructional context for learning negative numbers. The context is one where they move an elevator to a building's floors above and below ground in order to model integer addition and subtraction problems. In particular, the focus of the…
Descriptors: Numbers, Number Concepts, Concept Formation, Mathematics Instruction