Multiplying by 2
2 x1
2
5 x 1
5
10 x 0
0
1 x 1
1
4 x 0
0
2 x 5
10
5 x 3
15
10 x 3
30
1 x3
3
4 x 1
4
2 x 8
16
5 x 4
20
10 x 5
50
1 x 100
100
4 x 5
20
2 x 9
18
5 x 5
25
10 x 7
70
1 x 200
200
4 x 6
24
2 x 10
100
5 x 10
50
10 x 9
90
1 x 100,000
100,000
4 x 10
40