Writing numbers as Roman numerals

Difficulty Starter · Set exckc0

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1
Write 41 in Roman numerals.
2
Write 31 in Roman numerals.
3
Write 22 in Roman numerals.
4
Write 19 in Roman numerals.
5
Write 8 in Roman numerals.
6
Write 21 in Roman numerals.
7
Write 19 in Roman numerals.
8
Write 9 in Roman numerals.
9
Write 23 in Roman numerals.
10
Write 22 in Roman numerals.
11
Write 41 in Roman numerals.
12
Write 29 in Roman numerals.
13
Write 16 in Roman numerals.
14
Write 35 in Roman numerals.
15
Write 5 in Roman numerals.
16
Write 38 in Roman numerals.
17
Write 20 in Roman numerals.
18
Write 27 in Roman numerals.
19
Write 31 in Roman numerals.
20
Write 34 in Roman numerals.

What is in this set

The numbers in this set run from 4 to 50.
64% of them add their letters straight through.
36% of them use a subtractive pair such as IV or XC.
A careful solution takes 2 written steps on average.
Answers are a short answer exactly as the problem asks for it.

Drawing 240 problems from this page produced 47 different ones, 20% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 4 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.