Multiplication
10x10
100
48/8
6
2+2
4
10-8
2
L=5 W=7
A=35
20x5
100
81/9
9
81+99
180
37-12
25
L=7 W=9
A=63
9x12
108
144/12
12
437+455
892
69-36
33
L=14 W=32
A=448
12x13
156
4548/12
379
1,149+2,574
3,723
1,395-894
501
L=17 W=19
A=323
69x13
897
13,464/18
748
10,495+19,295
29,790
8,345-8294
51
L=55 W=99
A=5,445