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flip addends

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  • 1 + 2 =
    2 + 1 = 3
  • 2 + 3 =
    3 + 2 = 5
  • 2 + 8 =
    8 + 2 = 10
  • 1 + 3 =
    3 + 1 = 4
  • 5 + 1 =
    1 + 5 = 6
  • 7 + 2 =
    2 + 7 =
  • 3 + 7 =
    7 + 3 = 10
  • 2 + 6 =
    6 + 2 = 8
  • 5 + 4 =
    4 + 5 = 9
  • 3 + 2 =
    2 + 3 = 5
  • 3 + 5 =
    5 + 2 = 8
  • 4 + 1 =
    1 + 4 = 5
  • 4 + 3 =
    3 + 4 = 7
  • 1 + 7 =
    7 + 1 = 8
  • 6 + 1 =
    1 + 6 = 7
  • 5 + 2 =
    2 + 5 = 7
  • 4 + 2 =
    2 + 4 = 6
  • 8 + 3 =
    3 + 8 = 11
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