Use BIDMAS
- Do brackets first.
- Then indices, division/multiplication, addition/subtraction.
- Work left to right for operations with equal priority.
Answer: (3 + 4) × 2 = 14
🔢 Number
BIDMAS
Learn bidmas with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- BIDMAS is part of number and appears often in KS3–GCSE maths.
- BIDMAS gives the order of operations.
- Use the worked model, help guide, interactive question and flashcards to practise bidmas until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
BIDMAS 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 BIDMAS
- Learn the rule: BIDMAS gives the order of operations.
- Worked model: Do brackets first. Then indices, division/multiplication, addition/subtraction. Work left to right for operations with equal priority.
- 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
Calculate 3 + 4 × 2.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for BIDMAS
BackBIDMAS gives the order of operations.
FrontExample answer: Calculate 3 + 4 × 2.
Back4 × 2 = 8, then 3 + 8 = 11.
FrontCommon check for BIDMAS
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.