If you are a teacher or parent or friends with teachers or parents, you’ve probably heard about Common Core. It’s a new teaching method that’s been implemented in 46 states with the intention of helping kids not just solve problems, but understand them. When applied to math classes, Common Core has all but abolished tricks – like remembering the “less than” sign looks like an alligator – that make math easier. As someone who still uses the Please Excuse My Dear Aunt Sally mnemonic device when calculating a tip in a restaurant, the Common Core math standards look crazy complicated.

This new system doesn’t just affect kids and teachers – it’s driving parents nuts. It makes sense: Moms and dads who want to help their kids with homework are suddenly finding the methods undoable. Even Louis C.K., who sets aside time to help his daughters with homework, took to Twitter to express his rage at the Common Core curriculum. “My kids used to love math,” he wrote. “Now it makes them cry. Thanks standardized testing and common core!” Yikes!

One very smart dad in Ohio decided to give the school system a taste of its own medicine, and the Internet is applauding him for his effots. When he made out a donation check to Melridge Elementary School, he wrote the number according to Common Core standards. It kind of looks like a game of Connect Four next to some “hugs and kisses.” Obviously, no Wells Fargo employees are going to be able to decipher these hieroglyphics: