Learn all four decimal operations with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
DecimalsGCSE25 XP completion3 flashcards
Global XP
Level 1
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1. Explanation
Key idea
All four decimal operations is part of decimals and appears often in KS3โGCSE maths.
Decimal operation questions use the same operation rules as whole numbers, with careful decimal place value.
Use the worked model, help guide, interactive question and flashcards to practise all four decimal operations until the steps feel automatic.
Real-life examples
Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
All four decimal operations learning map
Understand the key idea โ follow the help guide โ practise a question โ check your method โ build speed with flashcards.
3. Help guide
How to tackle All four decimal operations
Learn the rule: Decimal operation questions use the same operation rules as whole numbers, with careful decimal place value.
Worked model: Line up decimals for addition and subtraction. Use place-value rules for multiplication and division. Apply order of operations when operations are mixed.
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
Use all four decimal operations
Line up decimals for addition and subtraction.
Use place-value rules for multiplication and division.
Apply order of operations when operations are mixed.
Answer: 4.8 รท 2 + 0.6 = 3.0
5. Interactive questions
Try it yourself
Calculate 1.5 + 2.3 ร 2.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for All four decimal operations
BackDecimal operation questions use the same operation rules as whole numbers, with careful decimal place value.
FrontExample answer: Calculate 1.5 + 2.3 ร 2.
Back2.3 ร 2 = 4.6, then 1.5 + 4.6 = 6.1.
FrontCommon check for All four decimal operations
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.