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Year 9 Order of Operations (BODMAS) Worksheet — Level 3 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 9 order of operations worksheet.

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Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Order of Operations

Year 9 Order of Operations (BODMAS) Worksheet — Level 3 — Practice Set 4 — Answers

Brackets, then Orders (indices), then Division/Multiplication (left to right), then Addition/Subtraction (left to right).

1.19 − 8 ÷ 2

Answer: 15

  1. Divide first: 8 ÷ 2 = 4
  2. 19 − 4 = 15
2.22 + 9 × (7 − 3)

Answer: 40

  1. Brackets: 7 − 3 = 4
  2. Index: 22 = 4
  3. Multiply: 9 × 4 = 36
  4. 4 + 36 = 40
3.8 × 3 − 9 × 5

Answer: −21

  1. 8 × 3 = 24 and 9 × 5 = 45
  2. 24 − 45 = −21
4.32 − 32 ÷ 4

Answer: 24

  1. Divide first: 32 ÷ 4 = 8
  2. 32 − 8 = 24
5.(8 + 4)2 ÷ 12

Answer: 12

  1. Brackets: 8 + 4 = 12
  2. Index: 122 = 144
  3. 144 ÷ 12 = 12
6.(6 + 8)2 ÷ 14

Answer: 14

  1. Brackets: 6 + 8 = 14
  2. Index: 142 = 196
  3. 196 ÷ 14 = 14
7.8 × 3 − 8 × 5

Answer: −16

  1. 8 × 3 = 24 and 8 × 5 = 40
  2. 24 − 40 = −16
8.(2 + 4)2 ÷ 6

Answer: 6

  1. Brackets: 2 + 4 = 6
  2. Index: 62 = 36
  3. 36 ÷ 6 = 6
9.7 × 7 − 9 × 2

Answer: 31

  1. 7 × 7 = 49 and 9 × 2 = 18
  2. 49 − 18 = 31
10.52 + 2 × (2 − 5)

Answer: 19

  1. Brackets: 2 − 5 = (−3)
  2. Index: 52 = 25
  3. Multiply: 2 × (−3) = (−6)
  4. 25 − 6 = 19
11.(4 + 3)2 ÷ 7

Answer: 7

  1. Brackets: 4 + 3 = 7
  2. Index: 72 = 49
  3. 49 ÷ 7 = 7
12.72 + 2 × (3 − 4)

Answer: 47

  1. Brackets: 3 − 4 = (−1)
  2. Index: 72 = 49
  3. Multiply: 2 × (−1) = (−2)
  4. 49 − 2 = 47
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