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.
A pictograph, or pictogram, is a graphical composition to represent a word, idea, or chart with symbols to represent values, such as a company's production levels. Pictographs replace written information, particularly about hazards, when that information must be processed quickly by its viewer and also where there is a legal mandate to inform workers for their safety and and others.