A.5
로마 숫자
I, V, X, L, C, D, M으로 쓴 로마 숫자를 읽고 쓰기
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Roman Numerals
Skill A.5 · Whole numbers & place value · ★★☆ Medium
- Name
- Date
Score/ 12
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Write each Roman numeral as a number, and each number as a Roman numeral. I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000.
Example
XLVII =
= MCMXCIV
Think: Add the values of the letters, but a smaller letter written before a bigger one is subtracted: XL is , so XLVII is .
- 1CCCXC =
- 2CL =
- 3CCXLVIII =
- 4
- 5CCXIII =
- 6CCLI =
- 7
- 8
- 9CCCXI =
- 10CCCXXXVII =
- 11CCXCVIII =
- 12
Answer Key
A.5 Roman Numerals · ★★☆ Medium
- 1390
- 2150
- 3248
- 4CCLXXXII
- 5213
- 6251
- 7XXVII
- 8CCXCIV
- 9311
- 10337
- 11298
- 12CCCXLIII