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.
IDEOGRAMS are images that depict the object they represent. For example the image of a mouth can represent the word 'mouth'. PHONOGRAMS are images that represent the sounds of the Ancient Egyptian language, just like our alphabet represents the sound of our language. For example, the image of a mouth can also represent the sound 'R'.