Study

Addition and Subtraction: Multiples of Ten

  •   0%
  •  0     0     0

  • 90 - 50 =
    40
  • 60 - 50 =
    10
  • 70 - 20 =
    50
  • 50 - 50 =
    0
  • 30 + 50 =
    80
  • 20 + 40 =
    60
  • 30 + 20 =
    50
  • 90 - 20 =
    70
  • 40 - 20 =
    20
  • 40 + 10 =
    50
  • 90 - 10 =
    80
  • 20 + 60 =
    80
  • 50 - 30 =
    20
  • 80 + 10 =
    90
  • 70 - 50 =
    20
  • 10 + 50 =
    60
  • 90 - 90 =
    0
  • 10 + 50 =
    60
  • 10 + 30 =
    40
  • 10 + 70 =
    80
  • 50 + 40 =
    90
  • 60 + 30 =
    90