Unlike Word, Excel does not display page numbers on the main worksheet, but you can insert them in the header, footer, or specific print settings. Here is how to insert page number in excel.

Launch Microsoft Excel 2010 and open the spreadsheet you want to edit. Select the worksheet for which you want to insert the page number. Click the "View" tab on the upper side of the Excel window.

Page breaks help in classifying & organizing your work in Microsoft Excel. Here is a guide that shows you how to insert, move, delete Page Breaks.