Tally marks and frequency tables — Data, 7–10 years
Turn a collection of answers into totals that are quick to check. Data, 7–10 years.
Groups of five
A tally is a quick mark for each answer. Draw four straight marks, then cross them with a fifth mark; each bundle means five. A frequency table puts each choice beside its total, so a long list becomes easy to read.
Why use tallies?
Writing every answer as a word takes space and makes counting easy to lose. Tally marks keep a visible record while you collect answers, and bundles of five make the total quicker to check. The table solves the problem of a messy list.
Example: counting colours
Eight children choose a pencil colour: blue, red, blue, green, blue, red, yellow, blue. Make four blue tallies, two red, one green and one yellow. The frequency table is blue 4, red 2, green 1, yellow 1; the totals add to 8.
Trap: forgetting the fifth mark
It is easy to draw five separate marks and then count them as four, especially when the page is busy. The crossing mark is meant to show a complete group, not to hide one mark. Count each crossed bundle as five, then count the loose marks.
Use: checking classroom supplies
A class monitor can use tallies to record how many books are returned, pencils are needed or plants have been watered. The marks give a quick count during a busy task. The method is useful when each item belongs to one clear group.
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