Maths-Whizz Mean Girls iconic maths question was wrong and would have changed ending The popular movie is still boggling audience’s brains with a mathematical question 17 years later News ...

THE tricky "the limit does not exist" equation from Mean Girls was incorrect according to a maths expert.

Formula of Mean: Know to How to Calculate Median for Grouped, Ungrouped data along with solved examples, questions with solution.

In this KS2 Maths article you'll learn how to calculate a type of average called the mean. We also have KS2 videos, a quiz and lots of examples.