Spreadsheet formulae

=average(d3:d15) is an average formulae

To find the sum of a column you need to use this formula.

You need to write equals SUM and then write the number where your information starts, a colon and then the number where your information finishes and then a close bracket.  

Here is an example: =sum(b2:b29)

By Reuben, Martyna

and Iona