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Download full textViseu, Floriano; Pires, Ana Luísa; Menezes, Luís; Costa, Ana Maria – International Electronic Journal of Elementary Education, 2021
The use of different registers to represent mathematical concepts enhances understanding. For example, rational numbers can assume pictorial, symbolic and natural language representations and this kind of change improves learning. Based on these assumptions, a teaching experiment for the learning of rational numbers by 2nd grade students was…
Descriptors: Semiotics, Mathematics Instruction, Grade 2, Elementary School Students
