Order of operations
Understand and apply the conventional order of operations (PEMDAS/BODMAS) to carry out calculations involving the four operations
Teaching approaches
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1 approach
If your child sees '8 + 4 × 3', do they get 20 — not 36 — because they know to do the multiplication before the addition?
Understand and apply the conventional order of operations (PEMDAS/BODMAS) to carry out calculations involving the four operations
Learning resources
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1 before · 5 after
This concept
Check understanding
- Explain why 8 + 2 × 5 = 18 (not 50) by referencing multiplication before addition
- Evaluate a multi-step expression like 12 ÷ 3 + 4 × 2 correctly as 12
- State the correct order: brackets, then orders/exponents, then multiplication/division (L→R), then addition/subtraction (L→R)
“If your child sees '8 + 4 × 3', do they get 20 — not 36 — because they know to do the multiplication before the addition?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 10–11
Standards