Read Roman numerals
- Know I, V, X, L, C, D, M.
- If a smaller symbol comes before a larger one, subtract it.
- Add the parts.
Answer: IX = 9
🔢 Number
Roman numerals
Learn roman numerals with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Roman numerals is part of number and appears often in KS3–GCSE maths.
- Roman numerals use letters and sometimes subtraction.
- Use the worked model, help guide, interactive question and flashcards to practise roman numerals until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Roman numerals learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Roman numerals
- Learn the rule: Roman numerals use letters and sometimes subtraction.
- Worked model: Know I, V, X, L, C, D, M. If a smaller symbol comes before a larger one, subtract it. Add the parts.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
What is XIV in Roman numerals?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Roman numerals
BackRoman numerals use letters and sometimes subtraction.
FrontExample answer: What is XIV in Roman numerals?
BackXIV = 10 + 4 = 14.
FrontCommon check for Roman numerals
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.