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Download full textBarrera-Mora, Fernando; Reyes-Rodriguez, Aaron – International Electronic Journal of Elementary Education, 2019
Number sense has been considered as one of the most important mathematical notions to be addressed in school mathematics in the 21st century. In this paper, we identify how students of a public middle school, located in a rural area in Mexico, showed several aspects of number sense by performing tasks involving arithmetic operations in a shopping…
Descriptors: Middle School Students, Foreign Countries, Middle School Mathematics, Number Concepts
