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Addition and Subtraction Within 100

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  • 6 + 52
    58
  • 82 - 29
    53
  • 80 = ......... tens ........ ones
    8 tens 0 ones
  • 9 + 6 + 7
    22
  • 98, 96, 94, ......., ........, ........
    92, 90, 88
  • 8 + 8 + 8
    24
  • Seventy-five
  • 90 - 78
    12
  • 42 + 8
    50
  • 46 + 27
    73
  • 87 - 79
    8
  • 76 - 24
    52
  • True or False if 35 + 57 = 92
    True
  • One-hundred
  • 68, 70, ......, 74, ........
    72 and 76
  • 4 + 5 + 7
    16
  • 80 - 63
    17
  • Sixty-one
  • 8 + 5 + 7
    20
  • Ninety-two
  • 27 + 38
    65
  • 55 - 28
    27
  • 27 + 37
    64
  • 25, 30, ......., 40, ......., .......
    35, 45, 50
  • 8 + 71
    79
  • True or False if 70 - 29 = 51
    False
  • 26 + 45
    71
  • 59
    Fifty-nine
  • 61, 63, 65, ......, 69, .........
    67 and 71
  • 75 - 49
    26
  • 75 - 39
    36
  • 91 - 48
    43
  • 67 + 28
    95
  • True or False if 28 + 29 = 47
    False
  • 7 tens 5 ones
    75
  • Eighty - three
  • 5 + 6 + 4
    15
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