Difficult homework can leave children stumped.
These pictures, shared by parents and teachers online, reveal what happens when pupils get creative with their answers to tricky questions.
Some cheeky youngsters deliberately gave know-it-all responses to put their teachers in their place while others were unintentionally funny with their replies.
One well-meaning child accidentally accused their maths teacher of doing drugs when they wrote, ‘I like it when she does meth with us.’
Another drew a picture of what appeared to be her mother dancing around a pole in a strip club – prompting the mortified parent to write in and apologise.
Pictures also caused problems for one pupil who did his best to draw a pair of scissors, only to end up with an image that looked far more obscene.
Here, FEMAIL rounds up some of the best examples from around the web…