multiplying by 1
1x9=
1x9=9
2x6=
2x6=12 or 6x2=12
5x5=
5x5=25
10x8=
10x8=80
11x9=
11x9=99
1x1=
1x1=1
2x8=
2x8=16 or 8x2=16
5x4=
5x4=20 or 4x5=20
10x9=
10x9=90
11x6=
11x6=66
1x10=
1x10=10
2x10=
2x10=20 or 10x2=20
5x7=
5x7=35 or 7x5=35
10x6=
10x6=60 or 6x10=60
11x5=
11x5=55
1x4=
1x4=4
2x9=
2x9=18 or 9x2=18
3x5=
3x5=15 or 5x3=15
10x7=
10x7=70 or 7x10=70
11x1=
11x1=11
1x5=
1x5=99
2x7=
2x7=14 or 7x2=14
5x6=
5x6=30 or 6x5=30
10x10=
10x10=100
11x8=
11x8=845678