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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
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Kairuddin; Darmawijoyo – Indonesian Mathematical Society Journal on Mathematics Education, 2011
This paper highlights the Indonesian's road transportation contexts, namely, angkot, that used in learning and teaching of addition and subtraction in first grade and second grade MIN-2 Palembang. PMRI approach that adopt from RME [Realistic Mathematics Education] was used in this design research. From teaching experiment was founded that the…
Descriptors: Foreign Countries, Transportation, Elementary School Students, Number Concepts