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Addition and Subtraction (up to 3) within 20

  •   Game Code: 3831205
  •  English    39     Public
    addition and subtraction up to 20 +1 -1 +2 -2 +3 -3
  •   Study   Slideshow
  • 17+1
    =18
  •  15
  • 19-3=
    =16
  •  15
  • 17+2
    =19
  •  15
  • 18-1=
    =17
  •  15
  • 17+3
    =20
  •  15
  • 20-2
    =18
  •  15
  • 20-1
    =19
  •  15
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