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 histogram is a graphical representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable (quantitative variable) and was first introduced by Karl Pearson.he etymology of the word histogram is uncertain. Sometimes it is said to be derived from the Ancient Greek á¼±ÏÏÏÏ (histos) â anything set upright (as the masts of a ship, the bar of a loom, or the vertical bars of a histogram); and Î³ÏÎ¬Î¼Î¼Î± (gramma) â drawing, record, writing.