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Addition and Subtraction within 20

  • Game Code: 1732402
  •  English    24     Public
    Addition and Subtraction within 20
  •   Study   Slideshow
  • 3+9
    12
  •  15
  • 2+2
    4
  •  15
  • 4+7
    11
  •  15
  • 20-5
    15
  •  15
  • 14-4
    10
  •  15
  • 12+6
    18
  •  15
  • 12-6
    6
  •  15
  • 14+4
    18
  •  15
  • 12+6
    18
  •  15
  • 4+5
    9
  •  15
  • 9-7
    2
  •  15
  • 15-3
    12
  •  15
  • 30+1
    31
  •  15
  • 10+10
    20
  •  15
  • 15-1
    14
  •  15
  • 12-2
    10
  •  15
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