You can try doing how to deal with cyberbullying.
Hope this helps you :)
Omg I love that book...
Max keeps growing and growing and growing. Grim thinks it's from carrying "poor Kevin around." But Max tells him he's not that heavy.
That might be it
Answer:
I do not think you got anything wrong...Maybe the teachers thought you did?
Explanation:
Try to confront them saying something like...Are you sure I got this wrong, make sure YOU know you got something wrong, before confronting them, if you are sure everything is correct, you may confront.