Roman numerals 
Roman numerals are a numeral system that originated in ancient Rome and were used throughout the Roman Empire. They are still used today in various contexts, such as for numbering pages in a preface, for numbering certain chapters or volumes in books, for designating the year of a significant event, and for naming monarchs and popes. The Roman numeral system uses a combination of letters to represent numerical values. The basic symbols are I, V, X, L, C, D, and M, which respectively represent the numbers 1, 5, 10, 50, 100, 500, and 1,000. These symbols can be combined to represent any number, with certain rules governing their use. Roman numerals are a number system developed in ancient Rome where letters represent numbers. 

For example, when a smaller numeral appears before a larger numeral, it is subtracted from the larger numeral. For instance, IV represents 4 (5 minus 1), while IX represents 9 (10 minus 1). Conversely, when a smaller numeral appears after a larger numeral, it is added to the larger numeral. For instance, XI represents 11 (10 plus 1), while XV represents 15 (10 plus 5). Roman Numerals from 1 to 100
ExamplesHere are five examples of Roman numerals with their corresponding values in decimal form and explanations on how to read them:IV = 4 The letter "I" represents 1 and the letter "V" represents 5. When a smaller numeral appears before a larger numeral, it is subtracted. So "IV" means "1 less than 5", which is 4. XII = 12 The letter "X" represents 10 and the letter "I" represents 1. When a smaller numeral appears after a larger numeral, it is added. So "XII" means "10 plus 1 plus 1", which is 12. XXV = 25 The letter "X" represents 10 and the letter "V" represents 5. When multiple numerals of the same value appear together, they are added. So "XXV" means "10 plus 10 plus 5", which is 25. XLVII = 47 The letter "X" represents 10, the letter "L" represents 50, the letter "V" represents 5, and the letter "I" represents 1. When a smaller numeral appears before a larger numeral, it is subtracted. So "XL" means "10 less than 50", which is 40. Then "VII" means "5 plus 1 plus 1", which is 7. So "XLVII" means "40 plus 5 plus 1 plus 1", which is 47. LXXXIII = 83 The letter "L" represents 50, the letter "X" represents 10, and the letter "I" represents 1. When multiple numerals of the same value appear together, they are added. So "XXX" means "10 plus 10 plus 10", which is 30. Then "III" means "1 plus 1 plus 1", which is 3. So "LXXXIII" means "50 plus 10 plus 10 plus 10 plus 1 plus 1 plus 1", which is 83. Here are five examples of converting numbers to Roman numerals with explanations: 16 = XVI To convert the number 16 to Roman numerals, we can break it down into its component parts: 10 and 6. The letter "X" represents 10, and the letter "VI" represents 6. So "XVI" means "10 plus 6", which is 16. 27 = XXVII To convert the number 27 to Roman numerals, we can break it down into its component parts: 20 and 7. The letter "XX" represents 20, and the letter "VII" represents 7. So "XXVII" means "20 plus 7", which is 27. 44 = XLIV To convert the number 44 to Roman numerals, we can break it down into its component parts: 40 and 4. The letter "XL" represents 40, and the letter "IV" represents 4. So "XLIV" means "40 plus 4", which is 44. 99 = XCIX To convert the number 99 to Roman numerals, we can break it down into its component parts: 90 and 9. The letter "XC" represents 90, and the letter "IX" represents 9. So "XCIX" means "90 plus 9", which is 99. 2022 = MMXXII To convert the number 2022 to Roman numerals, we can break it down into its component parts: 2000, 20, and 2. The letter "M" represents 1000, so two "M"s represent 2000. The letter "XX" represents 20, and the letter "II" represents 2. So "MMXXII" means "2000 plus 20 plus 2", which is 2022. 