The range math definition is the difference between the highest values and lowest values in a given set of numbers. What does range mean in math? It is the spread of the data, as in how far apart the lowest point of data is from the highest point of data.

What Is a Range in Math? The range of a data set is the difference between the greatest value and lowest value within a collection of numbers. Subtract the smallest from the greatest value in the set to find the range of given data points.