When carrying out an investigation, you will need to collect and record data from which you can draw conclusions.
Part of MathsData analysis
Writing out all the results in a survey or questionnaire can be time consuming. Using a tally can be quicker.
Tallying is a way of adding that uses groups of five.
You can record your results on a tally chart, like this one about colours of car:
As you can see, using groups of five makes it easier to see the total.