Roman Numerals Practice

I

1

V

5

X

10

L

50

C

100

D

500

M

1,000

Do you add or subtract when a numeral is repeated (e.g. XX)?

add

Do you add or subtract when a larger numeral is followed up by a smaller one (e.g. XI)?

add

Do you add or subtract when a smaller numeral is followed up by a larger one (e.g. IX)?

subtract

How many times can the same numeral be repeated in a sequence (e.g. XXXXXX would be 6)?

3

True or False: When a smaller numeral is between two larger ones, the smaller numeral is subtracted from the preceding numeral (e.g. XIV=[10-1]+5=14)

False; it’s the opposite (XIV=10+[5-1]=14)

ss

½

LV

50+5=55

XLVI

[50-10]+5+1=46

III

3

IV

[5-1]=4

IX

[10-1]=9

True or False: XXXXIII is a valid numeral

False (maximum sequence is 3, XXXX is four)

True or False: XXXIX is a valid numeral

True (does not exceed the maximum sequence of 3, 10+10+10+[10-1]=39)

VII

5+1+1=7

CD

[500-100]=400

IXX

[10-1]+10=19

True or False: It does not matter whether or not the numeral is capitalized (e.g. VII=vii)

True (there is no difference)