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Addition and Subtraction (Find the unknown numbe ...

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  • 6 + 7 = ?
    13
  • 9 + 6 = ?
    15
  • 8 + ? = 11
    3
  • 9 + ? = 12
    3
  • 8 - ? = 4
    4
  • 16 - ? = 8
    8
  • 12 - ? = 9
    3
  • 7 + ? = 9
    2
  • 9 + ? = 16
    7
  • 7 + 9 =
    16
  • 3 + ? = 11
    8
  • ? + 7 = 18
    11
  • 6 + 18 = ?
    24
  • 11 - 3 = ?
    8
  • 19 + ___ = 24
    5
  • 16 - ? = 7
    9
  • 32 + 15 = ?
    47
  • 13 - 8 = ?
    5
  • 12 + ? = 18
    6
  • 24 - ? = 18
    6
  • 24 - ? = 19
    5
  • 18 - ? = 6
    12
  • 3 + ? = 8
    5
  • 15 - ? = 6
    9
  • 5 + ? = 13
    8
  • 18 - 7 = ?
    11
  • 12 - ? = 6
    6
  • 63 - 22 =
    41
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