Year 7 Order of Operations (BODMAS) Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 7 order of operations worksheet.
Year 7 Order of Operations (BODMAS) Worksheet — Level 3 — Answers
Brackets, then Orders (indices), then Division/Multiplication (left to right), then Addition/Subtraction (left to right).
1.(7 + 5)2 ÷ 12
Answer: 12
- Brackets: 7 + 5 = 12
- Index: 122 = 144
- 144 ÷ 12 = 12
2.20 − 8 ÷ 4
Answer: 18
- Divide first: 8 ÷ 4 = 2
- 20 − 2 = 18
3.5 × 5 − 9 × 5
Answer: −20
- 5 × 5 = 25 and 9 × 5 = 45
- 25 − 45 = −20
4.7 × 6 − 8 × 3
Answer: 18
- 7 × 6 = 42 and 8 × 3 = 24
- 42 − 24 = 18
5.(4 + 7)2 ÷ 11
Answer: 11
- Brackets: 4 + 7 = 11
- Index: 112 = 121
- 121 ÷ 11 = 11
6.15 − 18 ÷ 2
Answer: 6
- Divide first: 18 ÷ 2 = 9
- 15 − 9 = 6
7.(7 + 7)2 ÷ 14
Answer: 14
- Brackets: 7 + 7 = 14
- Index: 142 = 196
- 196 ÷ 14 = 14
8.82 + 3 × (9 − 2)
Answer: 85
- Brackets: 9 − 2 = 7
- Index: 82 = 64
- Multiply: 3 × 7 = 21
- 64 + 21 = 85
9.71 − 21 ÷ 3
Answer: 64
- Divide first: 21 ÷ 3 = 7
- 71 − 7 = 64
10.(2 + 6)2 ÷ 8
Answer: 8
- Brackets: 2 + 6 = 8
- Index: 82 = 64
- 64 ÷ 8 = 8
11.7 × 7 − 3 × 3
Answer: 40
- 7 × 7 = 49 and 3 × 3 = 9
- 49 − 9 = 40
12.8 × 6 − 2 × 2
Answer: 44
- 8 × 6 = 48 and 2 × 2 = 4
- 48 − 4 = 44
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
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