One simple rule can help solve any complex equation. Here's a hint: all it takes is a catchy acronym.

In the midst of the coronavirus pandemic, teachers have had to rethink pretty much everything they do with students—and that includes how they give math tests. With many students working remotely, ...

Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...