42.58-7.577: A Deep Dive into Decimal Subtraction
When I was 10, I remember staring at a simple-looking math problem something like 42.58 – 7.577 and thinking: “This should be easy… right?” Spoiler alert: it wasn’t (at least not at first). I botched the decimal point, panicked, and ended up asking my teacher if calculators were invented just for people like me. But here’s … Read more