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8th Grade Order of Operations (PEMDAS) Worksheet — Level 3 — Practice Set 2 — Answers

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

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Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Order of Operations

8th Grade Order of Operations (PEMDAS) Worksheet — Level 3 — Practice Set 2 — Answers

Parentheses, then Exponents, then Multiplication/Division (left to right), then Addition/Subtraction (left to right).

1.(7 + 3)2 ÷ 10

Answer: 10

  1. Parentheses: 7 + 3 = 10
  2. Exponent: 102 = 100
  3. 100 ÷ 10 = 10
2.2 × 5 − 9 × 4

Answer: −26

  1. 2 × 5 = 10 and 9 × 4 = 36
  2. 10 − 36 = −26
3.62 + 5 × (9 − 5)

Answer: 56

  1. Parentheses: 9 − 5 = 4
  2. Exponent: 62 = 36
  3. Multiply: 5 × 4 = 20
  4. 36 + 20 = 56
4.28 − 8 ÷ 2

Answer: 24

  1. Divide first: 8 ÷ 2 = 4
  2. 28 − 4 = 24
5.(4 + 3)2 ÷ 7

Answer: 7

  1. Parentheses: 4 + 3 = 7
  2. Exponent: 72 = 49
  3. 49 ÷ 7 = 7
6.52 + 9 × (5 − 5)

Answer: 25

  1. Parentheses: 5 − 5 = 0
  2. Exponent: 52 = 25
  3. Multiply: 9 × 0 = 0
  4. 25 + 0 = 25
7.62 + 9 × (5 − 4)

Answer: 45

  1. Parentheses: 5 − 4 = 1
  2. Exponent: 62 = 36
  3. Multiply: 9 × 1 = 9
  4. 36 + 9 = 45
8.72 + 2 × (2 − 4)

Answer: 45

  1. Parentheses: 2 − 4 = (−2)
  2. Exponent: 72 = 49
  3. Multiply: 2 × (−2) = (−4)
  4. 49 − 4 = 45
9.8 × 2 − 4 × 3

Answer: 4

  1. 8 × 2 = 16 and 4 × 3 = 12
  2. 16 − 12 = 4
10.2 × 7 − 4 × 3

Answer: 2

  1. 2 × 7 = 14 and 4 × 3 = 12
  2. 14 − 12 = 2
11.9 × 5 − 5 × 3

Answer: 30

  1. 9 × 5 = 45 and 5 × 3 = 15
  2. 45 − 15 = 30
12.5 × 7 − 8 × 4

Answer: 3

  1. 5 × 7 = 35 and 8 × 4 = 32
  2. 35 − 32 = 3
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