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All four decimal operations

Learn all four decimal operations with a GCSE-style explanation, help guide, worked example, practice question and flashcards.

DecimalsGCSE25 XP completion3 flashcards

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Level 1

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1. Explanation

Key idea

Real-life examples

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

  1. Learn the rule: Decimal operation questions use the same operation rules as whole numbers, with careful decimal place value.
  2. 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.
  3. Try the interactive question without looking at the answer first.
  4. 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

  1. Line up decimals for addition and subtraction.
  2. Use place-value rules for multiplication and division.
  3. 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.