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Add and Subtract within 20

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  • 5 + ? = 17
    12
  • 6 + 8 =
    14
  • 11 = 5 + ?
    6
  • 10 + 3 =
    13
  • 8 + 11 =
    19
  • 11 + ? = 17
    6
  • 7 + 9 =
    16
  • ? + 5 = 12
    7
  • 13 = ? + 4
    9
  • 7 = ? + 4
    3
  • 13 - 5 =
    8
  • 6 + 4 =
    10
  • ? - 7 = 14
    7
  • ? - 7 = 4
    11
  • 10 - 7 =
    3
  • 12 = 18 - ?
    6
  • 11 = 19 - ?
    8
  • 10 6 =
    4
  • 15 - 9 =
    6
  • 12 - ? = 9
    3
  • 18 - 7 =
    11
  • 8 = ? - 4
    12
  • 14 + 5 =
    19
  • 9 - 3 =
    6
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