If you are using a Bluetooth keyboard on your iPad device, you should take advantage of the keyboard shortcuts for quicker access to copy, cut, paste, undo, redo, and other commands.
Command + C : Copy Selected Text
Command + V : Paste
Command + X: Cut Selected Text
Command + Z: Undo
Command + Shift + Z: Redo
Command + Delete: Delete everything to the left of the cursor on the current line
Option + Delete: Delete the word to the left of the cursor
Command + Up Arrow: Go to top of document
Command + Down Arrow: Go to bottom of document
Command + Left Arrow: Go to beginning of current line
Command + Right Arrow: Go to end of current line
F1: Dim screen
F2: Brighten screen
F7: Back one song
F8: Play/pause song
F9: Skip song
F10: Mute
F11: Decrease volume
F12: Increase volume
Eject button: Show or hide onscreen keyboard