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Alves, Francisco Regis Vieira; Mangueira, Milena Carolina dos Santos; Catarino, Paula Maria Machado Cruz; Vieira, Renata Passos Machado – International Electronic Journal of Mathematics Education, 2021
This paper presents a study based on didactic engineering and the theory of didactical situations on the complexification of the Leonardo sequence, addressing its numbers in a two-dimensional way, with the insertion of the imaginary unit "i". This study is an excerpt from a masters' thesis research done in the postgraduate programme in…
Descriptors: Foreign Countries, Number Concepts, Mathematics Instruction, Preservice Teacher Education