Tally - GCSE Maths Definition
Reviewed by: Dan Finlay
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A tally is a way of counting how many times something happens during an event, whilst that event is in progress. For example, we could use a tally to count the number of red, silver and black cars passing the front of the school between 1pm, and 2pm. Each count on a tally is a short vertical line, and they are grouped into blocks of five, by having the fifth tally mark as a (diagonal) line passing through the others.
|||| |||| |||| || would be the tally for 17
At the end of the event, a tally gives a visual, quick and easy way to total up how many times something happened.
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