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Grade 1 Math
Number
3. N1.3
3.6 Converting numbers to roman numerals
Converting Numbers to Roman Numerals
Discover the simple rules for turning numbers into Roman numerals, from single symbols like I and V to combinations like IV, IX, and MCMXCIV.
What You'll Learn
Identify the seven basic Roman numeral symbols and their values: I is 1, V is 5, X is 10, L is 50, C is 100, D is 500, M is 1000
Apply the addition rule by writing equal or smaller symbols after a larger one, such as VII for 5 plus 1 plus 1
Apply the subtraction rule by placing a smaller symbol before a larger one, such as IV for 5 minus 1
Recognize that only I, X, and C can be used as subtractive symbols, and only before the next one or two higher values
Break a number into thousands, hundreds, tens, and ones before converting each part separately
Combine the converted parts in order to build the full Roman numeral, such as writing 1994 as MCMXCIV
What You'll Practice
1
Converting single-digit numbers to Roman numerals (1-9)
2
Writing numbers 10-20 using Roman numeral symbols
3
Applying subtractive notation rules (like IV for 4 and IX for 9)
Why This Matters
Roman numerals appear everywhere in daily lifefrom clock faces and book chapters to movie credits and building cornerstones. Learning this ancient number system strengthens your number sense and helps you decode historical dates, outlines, and formal documents you'll encounter throughout your education.
This Unit Includes
Practice exercises
Learning resources
Skills
Roman Numerals
Number Systems
Number Conversion
Place Value
Ancient Mathematics
SK Curriculum Aligned