Why teach arithmetic with an ancient abacus?

Why teach arithmetic with an ancient abacus? 🧮 (Spoiler: It’s not just for nostalgia) Picture this: A 5-year-old calculating 347 + 589 in their head. No fingers. No paper. No “carry the one” panic. Sounds like magic? It’s actually soroban. Here’s the thing about traditional arithmetic: Most kids memorize procedures without understanding what’s actually happening.