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Doubles Facts (+1, -1, +10, -10)

  • Game Code: 1863910
  •  English    40     Public
    Doubles facts
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  • 1+1=
    2
  •  15
  • 2+2=
    4
  •  15
  • 3+3=
    6
  •  15
  • 4+4=
    8
  •  15
  • 5+5=
    10
  •  15
  • 6+6=
    12
  •  15
  • 7+7=
    14
  •  15
  • 8+8=
    16
  •  15
  • 9+9=
    18
  •  15
  • 10+10=
    20
  •  15
  • Use a doubles fact to solve: 10+9=
    19
  •  15
  • Use a doubles fact to solve: 10+11=
    21
  •  15
  • Use a doubles fact to solve: 9+8=
    17
  •  15
  • Use a doubles fact to solve: 9+10=
    19
  •  15
  • Use a doubles fact to solve: 8+9=
    17
  •  15
  • Use a doubles fact to solve: 8+7=
    15
  •  15
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