Roman Numerals Lesson – Writing Large Numbers

How to Write Large Roman Numerals

writing large numbers in roman numerals

                                 How to Write Large Numbers in Roman Numerals

The Roman Empire was enormous and as a result needed a way to record the large numbers involved in travelling large distances, populations, how many people were in their armies, how much tax has been collected & how much money was left to wage wars etc.

To write these numbers the Romans placed a vinculum (small line) above the existing numerals. This line means you multiply the given numeral by M.

Possible Activity – View the poster above. Explain the way the system works to a friend and then make up a few large numbers of your own using the vinculum.


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