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Addition and subtraction within 100 (no regroupi ...

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  • Order the numbers from the greatest to the least: 30, 57, 15
    57,30,15
  • What number is this?
    25: twenty-five
  • 14 + 35
    49
  • 43 + 45
    88
  • 75 - 51
    24
  • 85 - 74
    11
  • 36+61
    97
  • 48 - 15
    33
  • 25+53
    78
  • What number is this?
    41: forty-one
  • 46+32
    78
  • What number is this?
    66: sixty-six
  • Order the numbers from the least to the greatest: 30, 57, 15
    15, 30, 57
  • 78 - 64
    14
  • 89 - 56
    33
  • 97 - 42
    55