Precerpt from My 20th Language: Linguacy (Leaver)

Linguacy, a term coined by Brecht and Ingold (2002), is not just about speaking or understanding a language. It’s about grasping the systems of meaning that shape how people think, solve problems, and communicate—whether through words, numbers, diagrams, or gestures. I didn’t set out to learn these things, but over time, I found myself needing to understand them in order to function across unfamiliar terrains. Some of the differences were subtle. In certain places, math is taught through calculation first, theory later. That reversal of order changes how students approach problems. Instead of being handed a formula and told to apply it, they’re expected to wrestle with the numbers and discover the logic through use. It’s not better or worse—it’s just a different way of thinking. The orientation of math problems also varies. Some are designed to be solved forward, step by step. Others are meant to be worked backward, with the answer in mind and the path reconstructed. That shi...