Align and justify text in Pages on iPad
You can adjust paragraphs in a page, column, table cell, text box, or shape so that text is aligned to the left or right, centered, or aligned on both the left and right (justified).
You can also align text vertically in a text box, shape, or a table cell, column, or row.
Do one of the following:
Tap in the shortcut bar above the keyboard, then tap an alignment option.
Tap , then tap one of the alignment buttons (scroll down to see them).