9x2
4x3
4x7
3x4
5x2
8x2
7x7
4x4
9x7
8x4
2x3
5x10
5x9
2x2
8x7
8x10
9x10
6x7
9x6
3x3
2x8
5x8
2x7
2x4
3x5
3x6
1x5
9x4
6x6
4x6
10x6
5x3
1x6
6x2
A Top Picture
B Bottom Picture
C
D
How many groups did you make?
A
B