Study

Number Line + 1, - 1

  •   0%
  •  0     0     0

  • 8 + 1 =
    9
  • 3 + 1 =
    4
  • 1 - 1 =
    0
  • 3 + 1 =
    4
  • 9 - 1 =
    8
  • 1 + 1 =
    2
  • 6 + 1 =
    7
  • 5 - 1 =
    4
  • 5 - 1 =
    4
  • 2 + 1 =
    3
  • 7 + 1 =
    8
  • 2 - 1 =
    1
  • 10 - 1 =
    9
  • 7 - 1 =
    6
  • 4 + 1 =
    5
  • 5 + 1 =
    6