April Fool's! Teacher + students pull off the ultimate prank.

WARNING! A sense of humor is required for this video.

What happens when half the class returns from a school trip? Well obviously, they get pranked by the remaining students and their teacher. What else could there be?

Remember that playing gags is an artform. It must be done with love in your heart. This scene taps into a universal fear we all share: the feeling of being completely and utterly lost, while EVERYONE around you totally understands.

Having said that, witnessing half the class slowly lose their marbles is straight-up HILARIOUS.

And, YAY MATH!

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