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Class 2 Maths — Subtracting within 100

Take one two-digit number away from another.

Name: ________________________

  1. 1.Sort these subtractions by whether you must break a ten open.

    Groups: No breaking needed · Must break a ten

    • 73 − 19
    • 85 − 46
    • 54 − 21
    • 47 − 13
    • 62 − 27
    • 66 − 40

  2. 2.73 − 19 = ?

  3. 3.47 − 13 = ?

  4. 4.54 − 21 = ?

  5. 5.90 − 38 = ?

  6. 6.Match each subtraction to its answer.

    • 58 − 24
    • 71 − 35
    • 90 − 47
    • 82 − 19
    • 36
    • 63
    • 43
    • 34

  7. 7.85 − 46 = ?

  8. 8.31 − 16 = ?

Answer key — Class 2 Maths — Subtracting within 100

  1. 1. 47 − 13 → No breaking needed; 62 − 27 → Must break a ten; 85 − 46 → Must break a ten; 54 − 21 → No breaking needed; 73 − 19 → Must break a ten; 66 − 40 → No breaking needed
  2. 2. 54
  3. 3. 34
  4. 4. 33
  5. 5. 52
  6. 6. 58 − 24 → 34; 71 − 35 → 36; 90 − 47 → 43; 82 − 19 → 63
  7. 7. 39
  8. 8. 15