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

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

1.5 × 6 − 8 × 2

Answer: 14

  1. 5 × 6 = 30 and 8 × 2 = 16
  2. 30 − 16 = 14
2.47 − 15 ÷ 3

Answer: 42

  1. Divide first: 15 ÷ 3 = 5
  2. 47 − 5 = 42
3.92 + 2 × (3 − 2)

Answer: 83

  1. Brackets: 3 − 2 = 1
  2. Index: 92 = 81
  3. Multiply: 2 × 1 = 2
  4. 81 + 2 = 83
4.(2 + 3)2 ÷ 5

Answer: 5

  1. Brackets: 2 + 3 = 5
  2. Index: 52 = 25
  3. 25 ÷ 5 = 5
5.13 − 28 ÷ 4

Answer: 6

  1. Divide first: 28 ÷ 4 = 7
  2. 13 − 7 = 6
6.52 + 5 × (8 − 5)

Answer: 40

  1. Brackets: 8 − 5 = 3
  2. Index: 52 = 25
  3. Multiply: 5 × 3 = 15
  4. 25 + 15 = 40
7.5 × 5 − 4 × 3

Answer: 13

  1. 5 × 5 = 25 and 4 × 3 = 12
  2. 25 − 12 = 13
8.6 × 4 − 2 × 2

Answer: 20

  1. 6 × 4 = 24 and 2 × 2 = 4
  2. 24 − 4 = 20
9.9 − 20 ÷ 4

Answer: 4

  1. Divide first: 20 ÷ 4 = 5
  2. 9 − 5 = 4
10.(3 + 6)2 ÷ 9

Answer: 9

  1. Brackets: 3 + 6 = 9
  2. Index: 92 = 81
  3. 81 ÷ 9 = 9
11.29 − 40 ÷ 5

Answer: 21

  1. Divide first: 40 ÷ 5 = 8
  2. 29 − 8 = 21
12.(8 + 7)2 ÷ 15

Answer: 15

  1. Brackets: 8 + 7 = 15
  2. Index: 152 = 225
  3. 225 ÷ 15 = 15
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