what..like... _400 : 4 = 100
0 or what???
If I get what you're asking, it''s kind of hard to explain something like that on here and in a few sentences.
If you could get your hands on some study books like they have @ GED classes, you could learn that way. There are certain levels though. I guess you be at the 1st level.
There may be sites on the Internet. Some may want to charge you. You
d just have to do a search through google 'how do I learn to divide'.
I found a few and this one looks the best to me.
With a calculator..or a knife!