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Roman numerals worksheets — convert both ways

I, V, X, L, C, D, M: numbers to Roman numerals and back, from 1–20 up to 1000.

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Roman numerals

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Free printable worksheets© Kids Learning Hub · VS MEDIA

Children meet Roman numerals on clocks, in book chapters and after the names of kings and queens. Learning to read them is also a lesson about place value: the Roman system has no zero and no columns, so children see why our own system is so practical. Seven symbols — I, V, X, L, C, D and M — and two rules are enough: add when a symbol is followed by a smaller or equal one, subtract when a smaller symbol comes before a bigger one, as in IV and IX.

Best for ages 8–12

How to get the most from these sheets

Write the seven symbols and their values on a card to keep beside the sheet.
To write a number, split it: 347 = 300 + 40 + 7 = CCC + XL + VII.
Remember: never more than three of the same symbol in a row (4 is IV, not IIII).
Hunt for Roman numerals at home: clocks, books, film credits.

Frequently asked questions

Why is 4 written IV and not IIII?

The standard rule uses subtraction for 4, 9, 40, 90, 400 and 900. Some clocks still show IIII, but IV is what is taught.

Is there a Roman zero?

No. The Romans had no symbol for zero, which is one reason our place-value system replaced theirs.

Is there an answer key?

Yes, switch it on before printing.

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