HomePricing
Sign InJoin

Mean from the sum and count

Find the mean from the sum and count

This math skill teaches how to find the mean of a set of numbers by dividing their total sum by the count of the numbers.

Learn mean from the sum and count

Teaching Transcript

🎙️

If 3 numbers add to 27, what is their mean?

The mean of a group of numbers is their sum divided by the count

We know we have a sum of 27, and there are 3 numbers

So our mean is 27 divided by 3, or 9

Skill Practice

Find the mean from the sum and count

Test your understanding of mean from the sum and count by practicing it! Work through the below exercises to use it in practice.