operations · Year 6 · AC9M6A02
Order of operations
When a calculation has more than one operation, there is an order: brackets first, then × and ÷, then + and −. For 3 + 4 × 2, do 4 × 2 = 8 first, then 3 + 8 = 11 — not left to right. Brackets override everything: (3 + 4) × 2 = 14.
Sample questions
6 + 3 × 2 = ?
- Multiplication before addition: 3 × 2 = 6.
- 6 + 6 = 12.
Answer: 12
3 + 5 × 4 = ?
- Multiplication before addition: 5 × 4 = 20.
- 3 + 20 = 23.
Answer: 23
4 + 5 × 5 = ?
- Multiplication before addition: 5 × 5 = 25.
- 4 + 25 = 29.
Answer: 29