Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

For about a decade now, mathematicians and mathematics educators have been weighing in on a particular debate rooted in school mathematics that shows no signs of abating. If you’re like most, your ...

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 ...