Fill in the Number Chart

Click on the missing numbers and choose the correct answer.
1
 
3
4
5
 
7
 
9
10
11
12
 
 
15
16
17
18
19
20
21
 
23
24
 
26
27
28
29
30
 
32
33
34
35
36
37
 
39
40
 
42
 
44
45
46
47
48
49
50
51
52
53
54
 
56
57
58
59
60
61
62
 
64
65
66
67
68
69
70
 
72
73
74
75
 
77
78
79
80
 
 
83
 
85
86
 
88
89
90
91
92
93
 
95
96
97
98
99
100
Well Done!
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