Spreadsheets can assist in activities that require the same operations carried out over and over again.

Again and Again
This is an investigation involving fractions and decimals. Some knowledge of the equivalence of fractions and decimals is required.

If the same operations are carried out many times what is the final result ?

Does it matter what the start number is?
Try dividing by 4 and adding 1, dividing by 6 and adding 1.
Change the number that is added..
dividing by 5 and adding 2.

Excel spreadsheet

The Mean Series
If this activity is carried out using a spreadsheet then it's a good idea to tell the computer to draw a line graph showing the series.

Pupils have described the resulting graph as a heart rate monitor with a sad outcome!

Excel spreadsheet