Study

Numbers 1-20

  •   0%
  •  0     0     0

      Back   Restart
  • 10 + 7 =
    17
  • 3 + 5 =
    8
  • 20 - 1 =
    19
  • 14 - 2 =
    12
  • 3 + 6 =
    9
  • 13 - 2 =
    11
  • 18 - 7 =
    11
  • 15 + 2 =
    17
  • 13 - 3 =
    10
  • 8 + 4 =
    12
  • 5 + 11 =
    16
  • 14 + 1 =
    15
    • Your experience on this site will be improved by allowing cookies.