Number Chart 1
Starting at 1, fill in the missing numbers.

    2         5 6         9 10
11 12         15     17 18 19 20
21 22 23 24     26 27     29    
31         34             38 39 40
41         44 45             49    
    52     54 55 56 57 58        
61 62 63 64     66     68     70
71     73             77     79 80
81 82 83     85     87     89 90
            94 95 96     98 99    

 

 

Answer Key

 

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