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...
Succinct: While technically true, this one-word answer is not what the teacher was expecting
Honest: This primary school pupil was very realistic about his artistic talents
Taking this literally: This maths teacher was not impressed by the smarty-pants response
Classic: An trigonometary answer favoured by know-it-alls in classrooms around the world
Innocent mistake: This budding maths star accidentally accused their teacher of taking drugs
Fun-loving: This birthday girl gave up completely but hoped her whale drawing would help
Bizarre letter: A teacher was left confused when her student penned a fictional note to Hitler
Dodging chores: This creative youngster had very clear plans for their dinosaur companions
Doing what their told: This school pupil made sure to follow instructions to the letter
X-rated: This arts and craft session ended with one child producing a very X-rated drawing
Mortified: This mother had to intervene when her mother drew this misleading picture
Not convinced: This teacher made a jibe about his pupil's hand-drawn portrait
Unusual past-time: This child did their best to show the family working together in the garden
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Smart high schoolers know that when you're completely clueless on a test or homework question, anything -- and I mean anything -- is better than nothing.
Below we have compiled list of students who, when stumped by an impossible question, came up with the best answers ever. If nothing else, at least they got some brownie points on the Internet -- and sometimes even from their equally witty teachers.
1. The Homework Assignment That Was Turned Into A 'Lord Of The Rings Tribute'
But really Alex, you're the best.
2. Because Even An Exam Can Be The Perfect Opportunity To Ask For Girl Advice
Hey, at least this student's honest.
3. Forget Apples -- This Is How You Really Show A Teacher You Care
This student knows the real way to science teacher's heart is a little chemistry humor. The above note, which was posted on Reddit by a teacher, reads: "Did you eat a bunch of Beryllium, Gold, and Titanium? Because you're BE-AU-TI-ful!"
4. Pretty Much The Most Brilliant Exam Hack Of All Time
"My professor said I could only use one notecard..."
5. The Extra Credit Question Of Your Dreams...Or Nightmares
What song would YOU sing?
6. Wait, Really?!
7. It's Our Problem-Free Philosophy...
Someone's a 'Lion King' fan...
8. Do Not Try To Pressure This Teacher Into Giving You An 'A'
Sorry, teddy bear.
9. Chemistry Teacher? Or Comedian?
Ah, chemistry humor.