It began early this week when a Twitter user named Em tweeted the equation 8 ÷ 2(2 + 2) = ?. Many calculated the problem and came up with an answer of 16. But others did the math just as confidently ...

Math can be fun, but it can also be tricky. Adding, subtracting, multiplying and dividing — numbers can really boggle the mind sometimes. And really, this is true at any age, with a lot of opinions ...