Roman Numerals

Question 0

l =

Answer 0

1

Question 1

ss =

Answer 1

1/2

Question 2

V =

Answer 2

5

Question 3

X =

Answer 3

10

Question 4

L =

Answer 4

50

Question 5

C =

Answer 5

100

Question 6

D =

Answer 6

500

Question 7

M =

Answer 7

1000

Question 8

Rule # 1 - When a numeral is repeated, its value is repeated

Answer 8

Example: ll = 1 + 1 = 2

Example: XXX = 10 + 10 + 10 = 30

Question 9

Rule # 2 - A numeral cannot be repeated more than 3 times

Answer 9

Example: XXX = 30

XXXX is not equal to 40

Question 10

Rule # 3 - V, L and D are NEVER repeated

Answer 10

Example: XXX = 30

VVV is not equal to 15

Question 11

Rule # 4 - When a smaller numeral is placed before a larger numeral, the smaller numeral is subtracted from the larger numeral

Answer 11

Example: lV = 5 - 1 = 4

Example: XC = 100 - 10 = 90

Question 12

Rule # 5 - When a smaller numeral is placed after a larger numeral, the smaller numeral is added to the larger numeral

Answer 12

Example: Vl = 5 + 1 = 6

Example: LX = 50 + 10 = 60

Question 13

Rule # 6 - V, L and D are NEVER subtracted from larger numerals

Answer 13

Example: VL is not equal to 45

Question 14

Rule # 7 - Never subtract more than 1 numeral

Answer 14

Example: llX is not equal to 8

Example: XXXC is not equal to 70

Question 15

Rule # 8 - Only subtract a smaller numeral from the next two highest numerals, which means use:
l before V, X
V before L, C
C before D, M

Answer 15

Example: lV = 4
lX = 9
iC is not equal to 99

Example: XL = 40
XC = 90
XM is not equal to 990