Immigration Naturalization from N-400 - If you need more space use separate sheet of paper?

For my "Employment Information" and "Past Addresses", the rows provided on the N-400 form are not enough for me, I see this option "If you need more space use separate sheet of paper", I know I have to use this. Question1: Do I need to fill how much I can in the boxes provided and then continue of separate sheet or fill the whole answer to the question on a separate sheet? Question2: Do I need to write near the question on form N 400 that (I am using a separate sheet/please find attached sheet number 1) some thing like this or just appending sepertate sheets behind the form will make it obvious? Question3: If I need to append more than one sheet, I would place the question section number on that sheet to make it easy to read, do I need to name them some thing specific? Question4: When