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González, María José; Gómez, Pedro; Pinzón, Andrés – Teaching Education, 2020
The quality of students' learning experience depends on the learning activities that their teachers plan prior to classroom delivery. This article characterises the lesson planning practices of a group of 27 mathematics teachers. The questionnaire and the associated information coding and analysis procedures designed for that purpose may be…
Descriptors: Lesson Plans, Planning, Mathematics Teachers, Secondary School Teachers
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Ghirardi, Marco; Marchetti, Fabio; Pettinari, Claudio; Regis, Alberto; Roletto, Ezio – Journal of Chemical Education, 2015
A didactic sequence is proposed for the teaching of chemical equilibrium law. In this approach, we have avoided the kinetic derivation and the thermodynamic justification of the equilibrium constant. The equilibrium constant expression is established empirically by a trial-and-error approach. Additionally, students learn to use the criterion of…
Descriptors: Secondary School Students, Sequential Approach, Chemistry, Curriculum Implementation