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Unit 9 lesson 2

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  • 11 = ? + 3
    8
  • 6 = ? - 2
    8
  • 4 = 8 + ? + 3 + ?
    2 and 1
  • 6 = 6 - ?
    0
  • 11 = 6 + ?
    5
  • 7 = 3 + ?
    4
  • 11 = ? + 1 + 1
    9
  • 7 = ? - 0
    7
  • 14 = ? + 5
    9
  • 14 = ? + 4
    10
  • 6 = ? + 4
    2
  • ? = 9 - 2
    7
  • 14 = 7 + ?
    7
  • 6 = 5 + ?
    1
  • 7 = 2 + ?
    5
  • 7 = ? + 1
    6
  • 6 = ? - 3
    9
  • 11 = ? + 4
    7
  • 7 = ? - 1
    8
  • 14 = 8 + ?
    6
  • 6 = ? - 1
    7
  • 11 = ? -0
    11
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