Study

Count on

  •   0%
  •  0     0     0

      Back   Restart
  • Count back 97,87,_,_
    77,67
  • 30+9
    39
  • 50-30
    20
  • 24,34,_,_,_
    44,54,64
  • 10-4
    6
  • Count back 94,84,_,_
    74,64
  • 25,35,_,_,_
    45,55,65
  • 26,36,_,_,_
    46,56,76
  • 28,38,_,_,_
    48,58,68
  • 3+7+2
    12
  • 5,10,15,_,_,
    20,25
  • 2+2+2+2+2
    10
    • Your experience on this site will be improved by allowing cookies.