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

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

1.27 − 10 ÷ 5

Answer: 25

  1. Divide first: 10 ÷ 5 = 2
  2. 27 − 2 = 25
2.(9 + 9)2 ÷ 18

Answer: 18

  1. Brackets: 9 + 9 = 18
  2. Index: 182 = 324
  3. 324 ÷ 18 = 18
3.24 − 6 ÷ 2

Answer: 21

  1. Divide first: 6 ÷ 2 = 3
  2. 24 − 3 = 21
4.(6 + 9)2 ÷ 15

Answer: 15

  1. Brackets: 6 + 9 = 15
  2. Index: 152 = 225
  3. 225 ÷ 15 = 15
5.49 − 16 ÷ 4

Answer: 45

  1. Divide first: 16 ÷ 4 = 4
  2. 49 − 4 = 45
6.(7 + 9)2 ÷ 16

Answer: 16

  1. Brackets: 7 + 9 = 16
  2. Index: 162 = 256
  3. 256 ÷ 16 = 16
7.(4 + 3)2 ÷ 7

Answer: 7

  1. Brackets: 4 + 3 = 7
  2. Index: 72 = 49
  3. 49 ÷ 7 = 7
8.50 − 24 ÷ 3

Answer: 42

  1. Divide first: 24 ÷ 3 = 8
  2. 50 − 8 = 42
9.4 × 8 − 6 × 3

Answer: 14

  1. 4 × 8 = 32 and 6 × 3 = 18
  2. 32 − 18 = 14
10.49 − 21 ÷ 3

Answer: 42

  1. Divide first: 21 ÷ 3 = 7
  2. 49 − 7 = 42
11.17 − 36 ÷ 4

Answer: 8

  1. Divide first: 36 ÷ 4 = 9
  2. 17 − 9 = 8
12.(5 + 6)2 ÷ 11

Answer: 11

  1. Brackets: 5 + 6 = 11
  2. Index: 112 = 121
  3. 121 ÷ 11 = 11
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