“…Studies on variational thinking and language show that variation and change operate on isolated data through narratives of sequenced facts, arranging them with certain rationality, one after the other. In other words, what happens between one datum and another requires an argumentation of a causal nature based on experience, which, when shared, is typified as a reference practice (Cantoral, 2020). In the school environment, variation is usually understood as the study of change, and is reduced to a comparison of successive states, whether figurative, numerical or symbolic, thanks to an operability that relates the first datum, say A, with the second, let us call it B.…”