You can insert a line break to type multiple paragraphs of text in a table cell. You can also insert a tab to align text.
Go to the Pages app on the left side of the format bar above the keyboard.
Type the text of the next paragraph, then insert a line break or tab as described above.
You can paste images, shapes, lines, charts, equations, and text boxes into table cells. The pasted object appears Resize table rows and columns in Pages on iPadAdd mathematical equations in Pages on iPad