If... Then...
If 5 x 7 = 35
Then 6 x 7 = ?
42
5 x 6 = ?
so...
6 x 6 = ?
30
so
36
6 x 3 = ?
18
If 5 x 3 = 15
Then 6 x 3 = ?
18
5 x 2 = ?
so...
6 x 2 = ?
10
so
12
6 x 5 = ?
30
If 5 x 4 = 20
Then 6 x 4 = ?
24
5 x 9 = ?
so...
6 x 9 = ?
45
so
54
6 x 6 = ?
36
If 5 x 8 = 40
Then 6 x 8 = ?
48
5 x 11 = ?
so...
6 x 11 = ?
55
so
66
6 x 8 = ?
48
If 5 x 12 = 60
Then 6 x 12 = ?
72
5 x 13 = ?
so...
6 x 13 = ?
65
so
78
6 x 12 = ?
72