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Quizzes > Mathematics

Roman Numerals Test: 1-20

Quick, free quiz to check your 1-20 Roman numerals. Instant results.

Editorial: Review CompletedCreated By: Carleatha BelcherUpdated Aug 23, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art style teal background displaying roman numerals I to XX with quiz prompt banner inviting number system challenge

This Roman numerals test helps you practice converting numbers 1-20 between Roman and Arabic forms. Build speed, check recall, and spot gaps before homework or a quiz with instant feedback. If you enjoy number systems, try our mayan numeral converter or challenge yourself with a binary test; for more counting practice, take the 1 to 50 quiz.

What Arabic numeral does VII represent?
9
8
6
7
VII is formed by V (5) followed by two Is (1+1), making 7 in total. Roman numerals add values of symbols placed in descending order. This basic additive rule applies to most numbers under 10. .
What is the Roman numeral for 3?
V
III
IV
II
The numeral for 3 is III, which is three repetitions of I (1+1+1). Roman numerals allow a symbol to repeat up to three times in succession. This straightforward additive form works for small numbers. .
What Arabic numeral does X represent?
5
15
10
20
In Roman numerals, X equals 10. This symbol is one of the base values and is used extensively in forming larger numbers. It can be combined with others for addition and subtraction. .
What is the Roman numeral for 9?
IX
XI
X
VIII
To write 9, Roman numerals use subtraction: I placed before X means 10?1, which equals 9. This is the standard subtractive principle used for 4 and 9. .
What Arabic numeral does IV represent?
3
4
5
6
IV uses the subtractive rule: I before V indicates 5?1, which equals 4. This pattern is one of the exceptions to the additive rules. Roman numerals use subtraction only for certain pairs like IV and IX. .
What is the Roman numeral for 16?
XVIII
XVI
XV
XVII
16 is written as XVI, combining X (10) with V (5) and I (1). Roman numerals are typically additive when smaller values follow larger ones. This is how numbers between 11 and 19 are formed. .
What Arabic numeral does XX represent?
10
40
30
20
XX is two times X (10+10), giving the value 20. Repeating symbols in succession up to three times is allowed in Roman numerals. This rule applies to I, X, C, and M. .
What is the Roman numeral for 15?
XIV
XVI
XV
XL
15 is formed by X (10) plus V (5), written as XV. Roman numerals use addition when smaller values follow larger symbols. This approach is common for numbers between 11 and 19. .
What is the Roman numeral for 12?
IV
XIII
XII
XI
12 combines X (10) with II (1+1) to form XII. The symbols are listed in descending order to add values. This is the standard method for most Roman numerals. .
What Arabic numeral does XIII represent?
15
14
12
13
XIII is X (10) plus III (1+1+1), totaling 13. Roman numerals add symbols in descending order unless a subtractive pair occurs. This pattern holds true for most numerals under 20. .
What is the Roman numeral for 19?
XX
XVII
XVIII
XIX
19 uses subtraction: I before X gives 9, and adding X yields 10+9=19, written XIX. This mix of addition and subtraction is typical for numbers 1419. .
What Arabic numeral does XVIII represent?
17
18
19
15
XVIII is X (10) plus VIII (5+1+1+1), equaling 18. Roman numerals combine symbols additively when in descending order. This pattern is consistent for most values under 20. .
What Arabic numeral does XIV represent?
15
16
13
14
XIV uses subtraction: IV is 5?1=4, plus X (10) gives 14. This subtractive form is standard for 4 and 9 combinations in Roman numerals. .
Which Roman numeral symbol can be repeated up to three times in succession?
V
I
L
D
Only the symbols I, X, C, and M may repeat up to three times in a row. Symbols like V, L, and D are never repeated. This rule helps prevent misinterpretation in larger numbers. .
How is the number 8 represented in Roman numerals?
VIII
IVVIII
IIIV
IIX
8 is written VIII, which is V (5) plus three Is (1+1+1). There is no subtractive notation for 8, so symbols are simply added. This follows the standard additive rule for numbers between 6 and 8. .
How would you write 6 in Roman numerals?
V
IV
VI
IIX
6 is VI, combining V (5) and I (1). Roman numerals add when a smaller symbol follows a larger one. This is the basic formation for numbers 6 through 8. .
What is the result of adding VII and VIII in Roman numerals?
XXV
XII
XIII
XV
VII (7) plus VIII (8) equals 15. In Roman numerals, 15 is written XV (10+5). You combine and then simplify if needed. .
What is the result of subtracting III from XII in Roman numerals?
VIII
IX
IV
X
XII (12) minus III (3) equals 9, written IX using the subtractive rule (10?1). Subtraction only applies to certain symbol pairs. .
Which Roman numeral represents 14 using the subtractive principle?
XIIX
IIX
IXV
XIV
14 is XIV, where IV is 5?1=4 added to X (10). This subtractive form is the only correct representation for 14. Other variants are invalid in standard notation. .
If you combine IV and III, what is the resulting Roman numeral?
IX
VII
VIII
VI
IV (4) plus III (3) equals 7, which is written VII. You simply add the values because the smaller symbols follow the larger. .
What Roman numeral equals the sum of X and X?
XXI
XV
X
XX
X (10) plus X (10) equals 20, which is written XX. You place the same symbol twice to add its value. .
Which Roman numeral for 19 uses both addition and subtraction?
LIX
XVIX
XIX
IXX
XIX is 10 + (10?1) = 19, combining subtraction for IX and addition for the first X. This balanced use of both rules is required for numbers 1419. .
Which symbol is never repeated in well-formed Roman numerals?
I
V
C
M
Symbols V, L, and D are never repeated in standard Roman numerals. Only I, X, C, and M may repeat (up to three times). This rule avoids confusion in ancient inscriptions. .
If you subtract I from XXI, what is the correct Roman numeral?
XX
XIX
XXI
XXII
XXI is 21; subtracting I (1) gives 20, which is written XX. You simply remove one I from the end. This tests understanding of both addition and subtraction rules. .
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Study Outcomes

  1. Recognize Roman Numerals 1-20 -

    Identify each symbol from I to XX at a glance, sharpening your familiarity with roman numerals numbers 1-20.

  2. Convert Arabic Numbers to Roman Numerals -

    Transform any Arabic number between 1 and 20 into its correct form in roman numerals from 1-20 with confidence.

  3. Translate Roman Numerals to Arabic Numerals -

    Practice decoding roman numerals 1-20 back into Arabic numbers to reinforce your understanding of ancient number systems.

  4. Apply Core Numeral Rules -

    Understand and apply subtractive and additive notation rules to construct and interpret roman numbers 1-20 accurately.

  5. Assess and Enhance Recall -

    Measure your mastery through interactive challenges, pinpointing areas for improvement in memorizing 1-20 Roman numerals.

Cheat Sheet

  1. Core Symbols I, V, X -

    Roman numerals 1-20 use three fundamental characters: I = 1, V = 5, and X = 10. Mastering these ensures that you can build and deconstruct any numeral in the 1-20 range, as confirmed by resources from the University of Cambridge.

  2. Additive Principles -

    In the additive system, symbols are written from largest to smallest value and summed, so II = 2 and VIII = 8. Recognizing this pattern lets you quickly read and write 1-20 roman numerals like XIII (13) and XVIII (18) without confusion.

  3. Subtractive Rules -

    The subtractive notation places a smaller numeral before a larger one to indicate subtraction, such as IV = 4 and IX = 9. This compact form is a hallmark of roman numerals from 1-20 and is taught by academic texts from the University of Chicago's Classics department.

  4. Combining for Teens -

    Numbers 11 through 19 blend X with units: XI = 11, XV = 15, and XIX = 19. Practicing these combinations helps cement your fluency in roman numbers 1-20 and prepares you for more advanced numeral systems.

  5. Mnemonic Aids -

    Use catchy phrases like "I Value Xylophones" (I=1, V=5, X=10) to remember symbol order and values. Simple mnemonics, endorsed by educational psychology research, can dramatically boost recall when quizzing yourself on roman numerals from 1-20.

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