Yes. Because 256 ends in a 6 which is a clue that says 256 can be broken down into two equal parts. In this case half of 256 happens to be

1/2 of 200 = 100
1/2 of 50  =  25
1/3 of 6   =   3

so adding those all together you can get the half of 256

1/2 of 256 = 128