This work was motivated by the idea of approaching teaching practice in multilevel classes based on a problem, namely the need to improve the management of time in these types of classes. The time management strategy, developed in this work, consists of applying two modes of alternating teaching, the classical mode "work and make work"…

Representations such as drawings, graphs, and computer simulations, are central to learning and doing science. Furthermore, ongoing success in science learning requires students to build on the representations and associated practices that they are presumed to have learned throughout their schooling career. Without these practices, students have…