Understanding the IELTS numbering system is extremely important, especially for the Listening and Writing modules. Many candidates lose easy marks simply because they write numbers incorrectly.
This complete guide explains how numbers should be written in IELTS, common mistakes, and tips to avoid losing marks.
What Is IELTS Numbering?
IELTS numbering refers to how numbers should be written in your answer sheet, including:
- Numbers (digits vs words)
- Dates
- Prices
- Percentages
- Times
- Phone numbers
Correct numbering helps you avoid unnecessary score deductions, especially in Listening.
IELTS Numbering Rules You Must Follow
1. Numbers in Digits vs Words
Both formats are accepted unless the question says otherwise.
Correct:
- 15
- fifteen
Incorrect:
- Fifteen (when spelling is wrong)
- 15th (if not required)
Digits are safer in listening.
2. Word Limit Matters
If the question says:
“NO MORE THAN TWO WORDS AND/OR A NUMBER”
Allowed:
- 25
- twenty five
- 25 years
Not allowed:
- Twenty-five years old (too many words)
3. Dates in IELTS
Accepted formats:
- 12 March
- March 12
- 12/03
Incorrect:
- 12th March
- March twelve
Avoid adding “th / st / nd” unless clearly mentioned.
4. Time Format in IELTS
Correct formats:
- 7:30 am
- 7.30
- half past seven
Incorrect:
- 7-30
- seven thirty am (if spelling wrong)
5. Prices & Money
Correct:
- $50
- 50 dollars
- £30
Incorrect:
- 50$
- thirty dollars (grammar error)
6. Percentages
Correct:
- 25%
- twenty-five percent
Incorrect:
- 25 percent %
- twenty-five %
IELTS Listening: Numbering Mistakes That Lose Marks
Common mistakes:
- Wrong spelling of number words
- Writing extra words
- Adding the plural “s” incorrectly
- Writing symbols incorrectly
Important: IELTS Listening is exact, spelling-based.
IELTS Writing: Number Usage Tips
Task 1
- Use numbers for data (charts, graphs)
- Mix digits and words professionally
Example:
“The population increased from 2 million to 3.5 million.”
Task 2
- Avoid overusing numbers
- Use numbers only when necessary
Should You Use Digits or Words?
| Module | Best Choice |
| Listening | Digits (safer) |
| Reading | Follow passage style |
| Writing Task 1 | Digits + words |
| Writing Task 2 | Mostly words |
Why IELTS Numbering Is Important
- Prevents silly mistakes
- Saves easy marks
- Improves Listening accuracy
- Helps achieve Band 7+
Many candidates lose 0.5 band only due to numbering errors.
Why Choose Banglay IELTS for IELTS Accuracy?
Banglay IELTS is designed to help students eliminate small mistakes and achieve maximum accuracy in the IELTS exam.
Expert Trainers: IELTS-certified instructors who focus on exam-oriented accuracy in all modules
Listening Precision Training: Special practice for spelling, numbering, and detail-based questions
Weekly Mock Tests: Real exam-style tests to identify and correct minor errors early
Writing & Speaking Feedback: Detailed corrections with clear band improvement strategies
Online & Offline Classes: Flexible learning options available across Bangladesh
High Success Rate: Students from Banglay IELTS consistently achieve Band 7–8+
FAQ – IELTS Numbering
1. Can I write numbers in words in IELTS?
Yes, both digits and words are accepted unless restricted by word limits.
2. Is spelling important for numbers?
Yes, spelling mistakes will result in no mark.
3. Which is safer in listening: digits or words?
Digits are safer and recommended.
4. Can I use symbols like % or $?
Yes, symbols are allowed if written correctly.
5. Do numbering mistakes affect band score?
Yes, small mistakes can reduce Listening and Writing scores.
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