Subtracting Three Digit Numbers. How to subtract three digit numbers (for example 658 - 472). 1  Place one number above the other so that the hundreds', tens' and ones' places are lined up. 2  Draw a line under the bottom number.
A: In math, a pictogram or pictograph is the use of pictures or images to present data. To make a pictogram, a table of data is constructed with an accompanying key. An example of a pictograph is one that shows how many apples are eaten by student for lunch during a 5-day week.
Cf. phraseograph. phraseograph. a phrase that can be represented by a phraseogram. Cf. phraseogram. pictography. the use of pictorial symbols to communicate; picture writing with symbols that may be either ideographic or phonetic in function. â pictograph, n. â pictographic, adj.