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Year 7 Order of Operations (BODMAS) Worksheet — Level 3 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 7 order of operations worksheet.

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Order of Operations

Year 7 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).

1.6 × 4 − 5 × 4

Answer: 4

  1. 6 × 4 = 24 and 5 × 4 = 20
  2. 24 − 20 = 4
2.(7 + 9)2 ÷ 16

Answer: 16

  1. Brackets: 7 + 9 = 16
  2. Index: 162 = 256
  3. 256 ÷ 16 = 16
3.25 − 45 ÷ 5

Answer: 16

  1. Divide first: 45 ÷ 5 = 9
  2. 25 − 9 = 16
4.(3 + 5)2 ÷ 8

Answer: 8

  1. Brackets: 3 + 5 = 8
  2. Index: 82 = 64
  3. 64 ÷ 8 = 8
5.(8 + 7)2 ÷ 15

Answer: 15

  1. Brackets: 8 + 7 = 15
  2. Index: 152 = 225
  3. 225 ÷ 15 = 15
6.42 − 24 ÷ 4

Answer: 36

  1. Divide first: 24 ÷ 4 = 6
  2. 42 − 6 = 36
7.(4 + 6)2 ÷ 10

Answer: 10

  1. Brackets: 4 + 6 = 10
  2. Index: 102 = 100
  3. 100 ÷ 10 = 10
8.3 × 3 − 9 × 3

Answer: −18

  1. 3 × 3 = 9 and 9 × 3 = 27
  2. 9 − 27 = −18
9.(5 + 3)2 ÷ 8

Answer: 8

  1. Brackets: 5 + 3 = 8
  2. Index: 82 = 64
  3. 64 ÷ 8 = 8
10.36 − 40 ÷ 5

Answer: 28

  1. Divide first: 40 ÷ 5 = 8
  2. 36 − 8 = 28
11.47 − 10 ÷ 2

Answer: 42

  1. Divide first: 10 ÷ 2 = 5
  2. 47 − 5 = 42
12.82 + 7 × (4 − 5)

Answer: 57

  1. Brackets: 4 − 5 = (−1)
  2. Index: 82 = 64
  3. Multiply: 7 × (−1) = (−7)
  4. 64 − 7 = 57
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