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Numbers 40-100

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    Addition and subtraction
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  • 80 - 10 =
    70 (seventy)
  •  15
  • 57 - 16 =
    41 (forty-one)
  •  15
  • 70 + 30 =
    100 (one hundred)
  •  15
  • 18 + 39 =
    57 (fifty-seven)
  •  15
  • 48 + 12 =
    60 (sixty)
  •  15
  • 17 + 41 =
    58 (fifty-eight)
  •  15
  • 90 + 5 =
    95 (ninety-five)
  •  15
  • 77 - 7 =
    70 (seventy)
  •  15
  • 43 + 11 =
    54 (fifty-four)
  •  15
  • 66 + 15 =
    81 (eighty-one)
  •  15