To hide a sheet:
1. Tap the sheet you want to hide.
2. On the sheet tab, tap Hide. This option will not show if your spreadsheet does not contain two or more sheets.
3. Your sheet will be hidden from view.
To unhide a sheet:
1. On the sheet tab, tap Unhide. This option will not show if your spreadsheet does not contain one or more hidden sheets.
2. Tap the sheet you no longer want hidden.
3. Your sheet will appear at the bottom of your Spreadsheet.