What number does this Roman numeral represent?

I

1

What number does this Roman numeral represent?

II

2

What number does this Roman numeral represent?

III

3

What number does this Roman numeral represent?

IV

4

What number does this Roman numeral represent?

V

5

What number does this Roman numeral represent?

VI

6

What number does this Roman numeral represent?

VII

7

What number does this Roman numeral represent?

VIII

8

What number does this Roman numeral represent?

IX

9

What number does this Roman numeral represent?

X

10

What number does this Roman numeral represent?

XV

15

What number does this Roman numeral represent?

XX

20

What number does this Roman numeral represent?

XXX

30

What number does this Roman numeral represent?

XL

40

What number does this Roman numeral represent?

L

50

What number does this Roman numeral represent?

XC

90

What number does this Roman numeral represent?

C

100

What number does this Roman numeral represent?

CX

110

What number does this Roman numeral represent?

CD

400

What number does this Roman numeral represent?

D

500

What number does this Roman numeral represent?

DC

600

What number does this Roman numeral represent?

CM

900

What number does this Roman numeral represent?

M

1,000

What number does this Roman numeral represent?

MC

1,100

How do you combine Roman numerals into a single number?

Numerals before: subtract

Numerals after: add

What numerals can you add to another?

Any values smaller than the numeral being added to.

e.g. You can add I, V, X, or L to C

**Do not use larger numbers to add: you will create a subtraction!**

Which numerals can you subtract from another?

The “One” value immediately before the value being subtracted from.

e.g. To subtract from C, you can use X.

**Do not use numerals any farther away, such as “IC” for 99.**

How do you read a complex Roman numeral?

MCDLXXV

MCDLXXV

**Separate the numerals into groups of additions, subtractions, and individuals**

M CD LXX V

**Add each piece together (subtract if necessary)**

1000 + 400 + 70 + 5

1475

What number does this Roman numeral represent?

MMMCCCXXXIII

MMM CCC XXX III

3000 + 300 + 30 + 3

3333

What number does this Roman numeral represent?

MCMXCVIII

M CM XC VIII

1000 + 900 + 90 + 8

1998

What number does this Roman numeral represent?

MDCCLXXVI

M DCC LXX VI

1000 + 700 + 70 + 6

1776

What number does this Roman numeral represent?

CDLI

CD L I

400 + 50 + 1

451

What number does this Roman numeral represent?

MCDLXXXI

M CD LXXX I

1000 + 400 + 80 + 1

1481