Fill in the Number Chart

Click on the missing numbers and choose the correct answer.
1
 
3
4
 
6
7
8
9
10
11
 
13
14
15
16
17
18
 
 
21
22
23
24
25
 
27
28
29
30
31
32
33
 
35
36
37
38
 
40
41
42
43
 
45
46
47
48
 
50
 
52
53
54
 
56
57
58
59
60
61
62
 
64
65
66
67
68
69
70
71
 
 
74
 
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
 
95
96
 
98
99
100
Well Done!
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