Study

Addition to 13

  •   0%
  •  0     0     0

      Back   Restart
  • 10 + 2 =
    12
  • 5 + 6 =
    11
  • 7 + 2 =
    9
  • 1 + 11 =
    12
  • 8 + 1 =
    9
  • 6 + 7 =
    13
  • 9 + 0 =
    9
  • 3 + 8 =
    11
  • 5 + 5 =
    10
  • 11 + 1 =
    12
  • 10 + 3 =
    13
  • 12 + 1 =
    13
  • 13 + 0
    13
  • 6 + 6 =
    12
  • 2 + 4 =
    6
  • 7 + 4 =
    11
  • 4 + 3 =
    7
  • 3 + 9 =
    12
  • 5 + 3 =
    8
  • 8 + 5 =
    13
  • 6 + 0 =
    6
  • 8 + 2 =
    10
  • 4 + 9 =
    13
  • 1 + 10 =
    11
  • 9 + 2 =
    11
    • Your experience on this site will be improved by allowing cookies.