![]() Instead the subtractive principle is used. The Roman numeral for three is written III, but four is not IIII. The Romans didn't like writing four of the same numerals in a row, so they developed a system of subtraction. Roman numerals are usually written largest to smallest from left to right. ![]() If we take this a step further, the number twenty-seven is written as XXVII, which when broken down looks like XX (20) + V (5) + II (2) – all totalled up it equals to twenty-seven. The number twelve is XII which is just X (10) + II (2). For example, the Roman numeral for two is written as ‘ II' which is just two one's smushed together. We use these seven letters to make up thousands of others. Roman numerals are written using seven different letters: I, V, X, L, C, D and M, they represent the numbers 1, 5, 10, 50, 100, 500 and 1,000. Numerals Quiz Chart 1 to 10 Chart 1 to 20 Chart 1 to 50 Chart 1 to 100 Chart 1 to 1000
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