Learn activities for 6th-grade math that you can do with your child to prepare them for school. Teach your children the 6th grade math skills they need.

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.

The arithmetic mean is the result of adding all numbers in a series, counting the number of numbers in the series, and then dividing the sum by the count.

The table above (click to enlarge) shows mean test scores and standard deviations for the SAT exam on the three different sections (reading, math and writing), broken down by gender (data ...