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Addition and Subtraction to 20

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  • 17 - 11 =
    6
  • 15 - 4 =
    11
  • 5 + 5 =
    10
  • 18 - 9 =
    9
  • 5 + 7 =
    12
  • 6 + 3 =
    9
  • 11 + 4 =
    15
  • 8 - 1 =
    7
  • 20 - 3 =
    17
  • 19 - 8 =
    11
  • 12 - 3 =
    9
  • 7 + 7 =
    14
  • 10 + 7 =
    17
  • 18 - 8 =
    10
  • 11 - 2 =
    9
  • 6 + 4 =
    10
  • 16 - 3 =
    13
  • 9 + 4 =
    13
  • 6 + 10 =
    16
  • 2 + 8 =
    10
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