You don’t have to be a math whiz to know that 4 - 2 + 1 equals 3. Yet I was working with several students recently who said it equals 1. And it wasn’t their fault. Nor was it their teacher’s fault.

YOU may remember learning about PEMDAS in elementary or grade school as a way to remember how to solve an equation. The acronym often sparks a specific memory of learning how to solve equations, so ...

The internet is torn over an elementary-level math equation which left many scratching their heads. The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or ...