Mathematical modeling, ICT and collaborative work in Moroccan high schools: From ModLet to ModL2t , experimentation of a semiotic set1 in the teaching and learning of the radioactive decay law
Journal Title: IOSR Journal of Research & Method in Education (IOSRJRME) - Year 2018, Vol 8, Issue 5
Abstract
In 2nd year of the Moroccan baccalaureate SLE (Sciences of Life and Earth) and PC (Physics and Chemistry) branches, ModLet (the official analytical model of radioactive decay law) obstructs its teachinglearning. As an alternative, we propose a model of this law that we call ModL2t (model of radioactive decay law of base 2 powers), allowing pupils to build an intelligibility framework that easily links concepts of the space of reality to their mathematical modeling. Thus, exploratory and preliminary studies were carried out with a sample of sixteen pupils (17 to 20 years old). The activities were an alternation between collaborative work, individual work, and mobilization of ICT’s part, especially, CSRDP200 (Checkerboard Simulation of Radioactive Decay of Polonium 200), the one we developed. The validation study was done with an LSE and a PC classes separately taken. The results show that the difficulties of experimentation have been alleviated through the use of ICT, with the help of which pupils have listed various models of radioactive decay. In intergroup with rotating members, pupils established the expected analytical model, with a success going from 37.5% in individual work, to 71.43% in collaborative work. On the calculation of the powers, the pupils showed their mastery going from 84.38% of success, until reaching 100%. The validation study confirms the pupils’ unblocking between reasonable mathematical passages under ModL2t . These unblocking increased from 0% until beyond 77.33%.
Authors and Affiliations
Adnane Mamane, Nadia Benjelloun
Keywords
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- EP ID EP413841
- DOI 10.9790/7388-0805023240.
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