Roman numerals are a numerical notation system that originated in ancient Rome. The Roman number system uses seven symbols, each with a fixed integer value, to represent numbers . The symbols are I, V, X, L, C, D, and M, which represent 1 , 5, 10, 50 , 100, 500, and 1,000, respectively. Different arrangements of these symbols represent different ... List of Roman numerals / numbers from 1 to 100. Roman numerals have been used for over 3,000 years. The Roman numerals are: I, V, X, L, C, D, and M. These symbols represent 1 , 5, 10, 50 , 100, 500, and 1000, respectively. Today we use Arabic numerals instead. Roman numerals are still used for writing stylized numbers. Learn how to write roman numerals from 1 to 50 with a chart and video lesson. See the rules for adding and subtracting roman letters and download the PDF of the chart.