Study

ADDITION AND SUBSTRACTIONS

  •   0%
  •  0     0     0

      Back   Restart
  • 8-4=
    4
  • 9+8=
    17
  • 9-7=
    2
  • 10-9=
    1
  • 1-1=
    0
  • 4-1=
    3
  • 5+8=
    13
  • 5-4=
    1
  • 6-2=
    4
  • 15+ 2=
    17
  • 8+8=
    16
  • 13+0=
    13
  • 8+2=
    10
  • 12-8=
    4
  • 8-6=
    2
  • 10-3=
    7
  • 1+1=
    2
  • 5+5=
    10
  • 15 + 5=
    20
  • 12+1=
    13
  • 9+2=
    11
  • 10 + 7=
    17
  • 10-5=
    5
  • 9-6
    3
  • 5+7=
    12
  • 4+7=
    11
  • 9+5=
    14
  • 10-6=
    4
    • Your experience on this site will be improved by allowing cookies.