Admittedly, this is probably the coolest way you could cheat on a test . It's certainly out of the ordinary! Students are endlessly inventive when it comes to their schoolwork. These days, kids are using the internet to guide them to the right answers and to write the perfect papers for them. But before that, they had to get creative with just a pen and paper. U/Sarcastic_Otter had a high school teacher back in the 1980s who was kind enough to let students bring a 3x5 notecard full of notes to…