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# Thank For your Feedback # Error!  The Romans counted by using numerals, which were letters rather than the numbers we use today. Below is a table of Roman numerals with the number it stands for beside it and a brief explanation of how their counting system worked.
 Roman Numeral Number it represents I 1 V 5 X 10 L 50 C 100 D 500 M 1000
If you wanted to write 3, you'd write III. To write 4, you'd write IV. Why? V is 5 and because you put I (or 1) before V (or 5) the numerals mean 5-1=4! To write 6, you move the I (or 1) to after V (or 5) so the numerals mean 5+1=6! Below is a table of 1-20 to help you some more.
 Roman Numeral Number it represents I 1 II 2 III 3 IV 4 V 5 VI 6 VII 7 VIII 8 IX 9 X 10 XI 11 XII 12 XIII 13 XIV 14 XV 15 XVI 16 XVII 17 XVIII 18 XIX 19 XX 20
Using the tables above see if you can work out the Roman sums opposite. You might find a piece of scrap paper useful to write your working out on.
(Please note a small 'x' means times by, whereas a capital 'X' is a Roman numeral!) + means add, - means minus , / means divide and x means times by.
1) X + X =
2) V x V =
3) L + XIII =
4) XXVII - V =
5) XXX x X =
6) XV / III =
7) LXXXV x II =
8) XI - V x III =
9) CL + L - XI =
10) X + X - V =
11) XXV / V =
12) IV x XIX =
13) XXVI - V / III =
14) XIII x XIII + I / V =
15) CCX / X =

## Can you write the year you were born in Roman numerals?

For example, 2014 in Roman numerals is MMXIV (M = 1,000 and XIV = 14).

The year I was born in Roman numerals is

## Now, can you write your age in Roman numerals too?

I am years old.

Well done! Why not practise writing some other numbers in numerals too? you could try a phone number, today's date, someone else's birthday or even the time!