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Mod 4 - Lesson 3 Fluency

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  • 80 - 1 = ?
    79
  • 53 - 3 = ?
    50
  • 32 + 50 = ?
    82
  • 67 - 30 = ?
    37
  • 65 - 20 = ?
    40
  • 20 + 30 = ?
    50
  • 70 - 40 = ?
    30
  • 50 - 30 = ?
    20
  • 43 + 2 = ?
    45
  • 57 - 20 = ?
    37
  • 35 - 10 = ?
    25
  • 24 + 30 = ?
    54
  • 54 + 30 = ?
    84
  • 40 - 3 = ?
    37
  • 50 - 2 = ?
    48
  • 10 + 30 = ?
    40
  • 31 + 1 = ?
    32
  • 60 - 2 = ?
    58
  • 50 + 30 = ?
    80
  • 45 - 20 = ?
    25
  • 40 - 20 = ?
    20
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