Due to their abstract nature, representation of mathematical concepts through different registers favors their understanding. In the case of ''sequences and regularities'', it becomes propitious the exploration of different registers of representation in the institution of topics, such as term, order, formation law, and generating expression.…

The instructional design presented in this article discusses a procedure for arranging and sequencing examples and nonexamples for concept teaching in the classroom. Concepts are divided into two types: definition and observation. A definition concept is one in which the critical attributes are determined by the definition, e.g., war. Observation…