1's and 2's
2x1
What is 2?
3x2
What is 6?
5x4
What is 20?
8x2
What is 16?
9x5
What is 45?
1x5
What is 5?
4x3
What is 12?
6x1
What is 6?
7x4
What is 28?
10x3
What is 30?
1x8
What is 8?
3x7
What is 21?
5x10
7x11
What is 77?
10x9
What is 90?
2x9
What is 18?
4x9
What is 36?
5x8
What is 40?
8x8
What is 64?
9x11
What is 99?
1x12
What is 12?
4x12
What is 48?
6x6
What is 36?
8x12
What is 96?
9x12
What is 108?