In grade school, you were probably constantly drilled on mathematics. Whether it be multiplication tables, simple addition, or complicated division, it was taught over and over again that quick math ...

So why is this happening? According to one Twitter user, the answer depends on which mathematician you listen to: It's either 1 or 16 depending on which mathematician you listen to, because order of ...

It seemed that many were quick to figure out the equation, while others definitley struggled. You’re never too old to learn something new. People are losing their minds over how simple — yet tricky — ...

Add Yahoo as a preferred source to see more of our stories on Google. It seemed that many were quick to figure out the equation, while others definitley struggled. You’re never too old to learn ...