Want to learn how to count the way the Romans did? How are Roman numerals different to the ones we use every day? And how did the Romans represent very big numbers and fractional values? This book takes you from the basics of Roman numerals all the way up to reading and writing numbers in the millions. The book is jam-packed with practice exercises to help the knowledge stick. Topics Covered the basic differences between Roman numerals and Indo-Arabic numerals - additive and subtractive forms - numbers 1-10, 10-100, 100-1000, and 1000-3999 - arithmetic with Roman numerals - different ways of writing Roman numerals throughout history - writing large numbers using the apostrophus method - writing large numbers using the vinculum method - writing fractional values using dot notation and the numeral S