Mode, median and mean are three types of average. Find out how to calculate them and the range of numbers in this Second Level Primary Maths guide.

To find mid-range, add the lowest and highest values together, and divide by 2 For tips to help your sixth-grader in math class, check out our sixth grade math tips page.

Mode, median and mean are three types of average. Find out how to calculate them and the range of numbers in this Second Level Primary Maths guide.