Creating a pictograph involves organizing categorical data so that equal-sized symbols represent quantities according to a clearly stated key, such as one symbol representing 1, 2, 5, or 10 items. The representation includes categories, a title, and an accurate correspondence between symbol counts and totals, supporting comparison and simple addition or subtraction questions; fractional symbols, non-whole-number scales, and more complex data displays are not included.
A pictograph uses the same symbol to show amounts of data.
Example: A class recorded its favorite fruits:
Choose a number that each symbol will represent. Let:
Divide each total by :
Favorite Fruits
Key: ● students
| Fruit | Students |
|---|---|
| Apples | ● ● ● |
| Bananas | ● ● |
| Oranges | ● ● ● ● |
Each symbol is worth students. For example, the apple symbols show:
Check that every category has the correct number of equal-sized symbols and that the title and key are included.
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