1 Department of Mathematics and Informatics, Institute of GeoGebra, University “Aleksander Xhuvani”, Elbasan, Albania. 2 General Secondary School, Labinot-Fushe, Elbasan, Albani. One of the most ...
In mathematics, functions play a vital role in understanding and representing the relationships between variables. Performing operations on functions, such as addition and subtraction, helps us ...
The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...
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