Roman numerals

Reading and writing numbers using Roman numeral symbols

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Try each question. If you're stuck, leave it and come back. The answer key is on the last page.

1
What number does VII represent? A) 5 B) 6 C) 7 D) 8
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2
Write 14 as a Roman numeral. 14 = ___
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3
Match each Roman numeral to its value. Match each item on the left to one on the right. Left: III, IX, XL, C Right: 3, 9, 40, 100
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4
What number does V represent? A) 1 B) 5 C) 10 D) 50
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5
What number does XLIV represent? A) 44 B) 46 C) 54 D) 64
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6
Write 99 as a Roman numeral. 99 = ___
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7
Match each year to its Roman numeral form. Match each item on the left to one on the right. Left: 2000, 1500, 900, 50 Right: MM, MD, CM, L
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8
The Great Fire of London happened in MDCLXVI. What year was that? MDCLXVI = ___
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9
Which of these Roman numerals is NOT written correctly? A) XXIV B) IIII C) XC D) LV
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10
Write the current century number (21st) in Roman numerals. 21 = ___
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Answer key

Roman numerals · for parents and teachers

1
7
V = 5, plus II = 2, so VII = 7.
2
XIV
X = 10, IV = 4, so 14 = XIV.
3
III → 3; IX → 9; XL → 40; C → 100
III = 3, IX = 9 (10-1), XL = 40 (50-10), C = 100.
4
5
V = 5.
5
44
XL = 40 (50-10), IV = 4 (5-1), so XLIV = 44.
6
XCIX
XC = 90 (100-10), IX = 9 (10-1), so 99 = XCIX.
7
2000 → MM; 1500 → MD; 900 → CM; 50 → L
MM = 2,000, MD = 1,500, CM = 900 (1,000-100), L = 50.
8
1666
M(1,000) + D(500) + C(100) + L(50) + X(10) + V(5) + I(1) = 1,666.
9
IIII
IIII is incorrect - the correct way to write 4 is IV (5-1).
10
XXI
XX = 20, I = 1, so 21 = XXI.