Name: ______________________________________________ Date: _____________


Counting by 1s

Instructions: Write the missing numbers.


1 2 3   5 6 7   9 10

11 12 13 14 15 16     19 20

21 22     25 26 27 28   30

31 32 33 34   36 37   39  

41   43   45 46 47 48    

51 52 53 54 55   57 58 59  

61 62 63   65 66       70

71   73 74     77 78 79  

  82 83 84   86     89 90

91 92     95 96 97 98 99 100
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