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Year 8 Order of Operations (BODMAS) Worksheet — Level 3 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 8 order of operations worksheet.

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Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Order of Operations

Year 8 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).

1.52 − 14 ÷ 2

Answer: 45

  1. Divide first: 14 ÷ 2 = 7
  2. 52 − 7 = 45
2.(2 + 4)2 ÷ 6

Answer: 6

  1. Brackets: 2 + 4 = 6
  2. Index: 62 = 36
  3. 36 ÷ 6 = 6
3.(6 + 2)2 ÷ 8

Answer: 8

  1. Brackets: 6 + 2 = 8
  2. Index: 82 = 64
  3. 64 ÷ 8 = 8
4.30 − 20 ÷ 4

Answer: 25

  1. Divide first: 20 ÷ 4 = 5
  2. 30 − 5 = 25
5.53 − 20 ÷ 4

Answer: 48

  1. Divide first: 20 ÷ 4 = 5
  2. 53 − 5 = 48
6.70 − 28 ÷ 4

Answer: 63

  1. Divide first: 28 ÷ 4 = 7
  2. 70 − 7 = 63
7.92 + 6 × (5 − 5)

Answer: 81

  1. Brackets: 5 − 5 = 0
  2. Index: 92 = 81
  3. Multiply: 6 × 0 = 0
  4. 81 + 0 = 81
8.32 − 4 ÷ 2

Answer: 30

  1. Divide first: 4 ÷ 2 = 2
  2. 32 − 2 = 30
9.31 − 6 ÷ 2

Answer: 28

  1. Divide first: 6 ÷ 2 = 3
  2. 31 − 3 = 28
10.40 − 10 ÷ 2

Answer: 35

  1. Divide first: 10 ÷ 2 = 5
  2. 40 − 5 = 35
11.35 − 14 ÷ 2

Answer: 28

  1. Divide first: 14 ÷ 2 = 7
  2. 35 − 7 = 28
12.3 × 5 − 9 × 3

Answer: −12

  1. 3 × 5 = 15 and 9 × 3 = 27
  2. 15 − 27 = −12
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