In a tally chart, tally marks are usually grouped in [ ].
In a tally chart, tally marks are usually grouped in fives.
Flashcards for Edexcel GCSE Maths Pictograms, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 22 cards, matched to the Edexcel GCSE Maths (1MA1) specification.