Round a decimal
- Choose the place value to keep.
- Look at the digit to the right.
- Round up if it is 5 or more.
Answer: 6.274 to 1 decimal place is 6.3
🔢 Number
Rounding decimals
Learn rounding decimals with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Rounding decimals is part of decimals and appears often in KS3–GCSE maths.
- Decimal rounding uses the digit after the required place value.
- Use the worked model, help guide, interactive question and flashcards to practise rounding decimals until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Rounding decimals 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 Rounding decimals
- Learn the rule: Decimal rounding uses the digit after the required place value.
- Worked model: Choose the place value to keep. Look at the digit to the right. Round up if it is 5 or more.
- 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
Round 4.386 to 2 decimal places.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Rounding decimals
BackDecimal rounding uses the digit after the required place value.
FrontExample answer: Round 4.386 to 2 decimal places.
BackThe hundredths digit is 8 and the next digit is 6, so round up to 4.39.
FrontCommon check for Rounding decimals
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.