Let’s face it, not all of us were meant to be mathematicians. And some of us, well, some of us weren’t even meant to do basic math. Now, we live in an age where people can put almost anything they want online for the world to see. And sometimes, what gets put up there just doesn’t add up. Luckily, there are people out there who are great at catching these hilarious mathematical mistakes. Check out this list of 50 people who went to school, but slept in math class, and don’t forget to double-check your own math!