1) Keep typing/adding pictures until there's so much content that Google Docs automatically adds the second page. 2) Click the Insert menu and select Page break. You can remove a page break just as you'd remove other content -- by highlighting the page break and pressing the Backspace or Delete key. read more
I created the first document then went to select all on the menu and chose copy. this copied the whole page. I moved my cursor to the bottom of the document and pressed ENTER, this created another page, and repeated the process. Then I was able to make the changes needed in the other documents. read more