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 would be a crucial part of adulthood.
But as the years have passed, our brains become less and less conditioned to think in a disciplined, mathematical way.
That's why the mathematical brain teasers that pop up on social media every now and then often leave us totally stumped.
Or even worse, confidently incorrect.
