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Lesson (A)
Example: MDCCCLXVIII = 1,000 + 500 + 100 + 100 + 100 + 50 + 10 + 5 + 3 = 1,868
1. CLXXX = 100 + 50 + 10 + 10 + 10 = 180
2. CDLXI = (500 - 100) + 50 + 10 + 1 = 461
3. MMXL = 1,000 + 1,000 + (50 - 10) = 2,040
Lesson (B)
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Lesson (C)
Math: Roman Numerals - Lessons Answer Key
1. XCVII 97 2. CDLXXV 475 3. DXC 590
4. XLV 45 5. DCXLIII 643 6. MMMMCCL 4,250
7. CCXII 212 8. DCCCX 810 9. MMDCCXLIX 2,749
1. 563 DLXIII 2. 374 CCCLXXIV 3. 415 CDXV
4. 792 DCCXCII 5. 192 CXCII 6. 2,459 MMCDLIX
7. 3,595 MMMDXCV 8. 265 CCLXV 9. 4,878 MMMMDCCCLXXVIII
