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 ...

It turns out, your school teacher was right. You need math on a regular basis. While most people won't typically have need of orthogonal trajectories, here are some of the most vital math shortcuts ...

In this video, I demonstrate quick methods for multiplying and dividing fractions, aiming to enable mental calculations. This ...