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MathsAges 10-12

Order of operations

Apply multiplication before addition to evaluate multi-step arithmetic expressions accurately. Review suitability for your learners before teaching.

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Age band:Ages 10-12Ages 13-15

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Worksheet StudioPractice pack · Ages 10-12

Order of operations

Take your time. Show your thinking.

  1. 1. Evaluate 20 + 2 × 9.

    LHS=RHS
    20 · 2 · 9 · Order of operations

  2. 2. Evaluate 25 + 10 × 11.

    LHS=RHS
    25 · 10 · 11 · Order of operations

  3. 3. Evaluate 20 + 3 × 2.

    LHS=RHS
    20 · 3 · 2 · Order of operations

  4. 4. Evaluate 17 + 4 × 6.

    LHS=RHS
    17 · 4 · 6 · Order of operations

  5. 5. Evaluate 4 + 5 × 3.

    LHS=RHS
    4 · 5 · 3 · Order of operations

  6. 6. Evaluate 21 + 7 × 2.

    LHS=RHS
    21 · 7 · 2 · Order of operations

  7. 7. Evaluate 24 + 7 × 4.

    LHS=RHS
    24 · 7 · 4 · Order of operations

  8. 8. Evaluate 23 + 10 × 8.

    LHS=RHS
    23 · 10 · 8 · Order of operations

  9. 9. Evaluate 9 + 11 × 3.

    LHS=RHS
    9 · 11 · 3 · Order of operations

  10. 10. Evaluate 4 + 8 × 2.

    LHS=RHS
    4 · 8 · 2 · Order of operations

  11. 11. Evaluate 23 + 9 × 6.

    LHS=RHS
    23 · 9 · 6 · Order of operations

  12. 12. Evaluate 5 + 5 × 2.

    LHS=RHS
    5 · 5 · 2 · Order of operations
12 questions · Seed 44 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Order of operations

Answers and reasoning. Review before teaching.

  1. 1. Evaluate 20 + 2 × 9.

    38

    Multiply first: 2 × 9 = 18. Then add 20: 20 + 18 = 38.

  2. 2. Evaluate 25 + 10 × 11.

    135

    Multiply first: 10 × 11 = 110. Then add 25: 25 + 110 = 135.

  3. 3. Evaluate 20 + 3 × 2.

    26

    Multiply first: 3 × 2 = 6. Then add 20: 20 + 6 = 26.

  4. 4. Evaluate 17 + 4 × 6.

    41

    Multiply first: 4 × 6 = 24. Then add 17: 17 + 24 = 41.

  5. 5. Evaluate 4 + 5 × 3.

    19

    Multiply first: 5 × 3 = 15. Then add 4: 4 + 15 = 19.

  6. 6. Evaluate 21 + 7 × 2.

    35

    Multiply first: 7 × 2 = 14. Then add 21: 21 + 14 = 35.

  7. 7. Evaluate 24 + 7 × 4.

    52

    Multiply first: 7 × 4 = 28. Then add 24: 24 + 28 = 52.

  8. 8. Evaluate 23 + 10 × 8.

    103

    Multiply first: 10 × 8 = 80. Then add 23: 23 + 80 = 103.

  9. 9. Evaluate 9 + 11 × 3.

    42

    Multiply first: 11 × 3 = 33. Then add 9: 9 + 33 = 42.

  10. 10. Evaluate 4 + 8 × 2.

    20

    Multiply first: 8 × 2 = 16. Then add 4: 4 + 16 = 20.

  11. 11. Evaluate 23 + 9 × 6.

    77

    Multiply first: 9 × 6 = 54. Then add 23: 23 + 54 = 77.

  12. 12. Evaluate 5 + 5 × 2.

    15

    Multiply first: 5 × 2 = 10. Then add 5: 5 + 10 = 15.

12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Order of operations

Take your time. Show your thinking.

  1. 1. Evaluate 20 + 2 × 9.

    LHS=RHS
    20 · 2 · 9 · Order of operations

  2. 2. Evaluate 25 + 10 × 11.

    LHS=RHS
    25 · 10 · 11 · Order of operations

  3. 3. Evaluate 20 + 3 × 2.

    LHS=RHS
    20 · 3 · 2 · Order of operations

  4. 4. Evaluate 17 + 4 × 6.

    LHS=RHS
    17 · 4 · 6 · Order of operations

  5. 5. Evaluate 4 + 5 × 3.

    LHS=RHS
    4 · 5 · 3 · Order of operations

  6. 6. Evaluate 21 + 7 × 2.

    LHS=RHS
    21 · 7 · 2 · Order of operations

  7. 7. Evaluate 24 + 7 × 4.

    LHS=RHS
    24 · 7 · 4 · Order of operations

  8. 8. Evaluate 23 + 10 × 8.

    LHS=RHS
    23 · 10 · 8 · Order of operations

  9. 9. Evaluate 9 + 11 × 3.

    LHS=RHS
    9 · 11 · 3 · Order of operations

  10. 10. Evaluate 4 + 8 × 2.

    LHS=RHS
    4 · 8 · 2 · Order of operations

  11. 11. Evaluate 23 + 9 × 6.

    LHS=RHS
    23 · 9 · 6 · Order of operations

  12. 12. Evaluate 5 + 5 × 2.

    LHS=RHS
    5 · 5 · 2 · Order of operations
12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Order of operations

Answers and reasoning. Review before teaching.

  1. 1. Evaluate 20 + 2 × 9.

    38

    Multiply first: 2 × 9 = 18. Then add 20: 20 + 18 = 38.

  2. 2. Evaluate 25 + 10 × 11.

    135

    Multiply first: 10 × 11 = 110. Then add 25: 25 + 110 = 135.

  3. 3. Evaluate 20 + 3 × 2.

    26

    Multiply first: 3 × 2 = 6. Then add 20: 20 + 6 = 26.

  4. 4. Evaluate 17 + 4 × 6.

    41

    Multiply first: 4 × 6 = 24. Then add 17: 17 + 24 = 41.

  5. 5. Evaluate 4 + 5 × 3.

    19

    Multiply first: 5 × 3 = 15. Then add 4: 4 + 15 = 19.

  6. 6. Evaluate 21 + 7 × 2.

    35

    Multiply first: 7 × 2 = 14. Then add 21: 21 + 14 = 35.

  7. 7. Evaluate 24 + 7 × 4.

    52

    Multiply first: 7 × 4 = 28. Then add 24: 24 + 28 = 52.

  8. 8. Evaluate 23 + 10 × 8.

    103

    Multiply first: 10 × 8 = 80. Then add 23: 23 + 80 = 103.

  9. 9. Evaluate 9 + 11 × 3.

    42

    Multiply first: 11 × 3 = 33. Then add 9: 9 + 33 = 42.

  10. 10. Evaluate 4 + 8 × 2.

    20

    Multiply first: 8 × 2 = 16. Then add 4: 4 + 16 = 20.

  11. 11. Evaluate 23 + 9 × 6.

    77

    Multiply first: 9 × 6 = 54. Then add 23: 23 + 54 = 77.

  12. 12. Evaluate 5 + 5 × 2.

    15

    Multiply first: 5 × 2 = 10. Then add 5: 5 + 10 = 15.

12 questions · Seed 44 · Age guidance, not curriculum certification