We all know 2+2=4, but sadly, some of us don't know much more. Here's a list that might remind you to brush up on your math skills, so you don't end up being mocked in this online group...

We all know 2+2=4, but sadly, some of us don't know much more. Here's a list that might remind you to brush up on your math skills, so you don't end...

We might act like muppets sometimes, but we’re nowhere near as good at counting as Count von Count. One! Two! Three! Hahaha. And that’s more or less where our wisdom with numbers ends.

We might act like muppets sometimes, but we’re nowhere near as good at counting as Count von Count. One! Two! Three! Hahaha. And that’s more or less where our wisdom with...