Order decimals
- Line up place values.
- Use zeros as placeholders.
- Order from smallest to largest.
Answer: 0.09, 0.1, 0.12
🔢 Number
Ordering decimals
Learn ordering decimals with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Ordering decimals is part of decimals and appears often in KS3–GCSE maths.
- Order decimals by comparing digits in each place value column.
- Use the worked model, help guide, interactive question and flashcards to practise ordering decimals until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Ordering 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 Ordering decimals
- Learn the rule: Order decimals by comparing digits in each place value column.
- Worked model: Line up place values. Use zeros as placeholders. Order from smallest to largest.
- 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
Put 0.4, 0.35, 0.8 in ascending order.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Ordering decimals
BackOrder decimals by comparing digits in each place value column.
FrontExample answer: Put 0.4, 0.35, 0.8 in ascending order.
Back0.35 < 0.40 < 0.80, so the order is 0.35, 0.4, 0.8.
FrontCommon check for Ordering 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.