How do you read the music notes ABOVE/BELOW the staff in piano sheet music?

Music notes above and below the staff are read as extensions of the staff. In piano sheet music, notes above and below the staff will have lines above/below them, There are usually one, two or three of these lines and they simply act as an extension of the staff. For example, Middle C (the middle C note of the piano) is sitting on an extra line below the treble staff (the top one). This means it is two steps below the note on the bottom line of the treble staff itself, an E. The treble and bass staffs fit together so that middle C is a line above the bass stave and a line below the treble stave, but this does not mean that there cannot be a note on the treble/bass staff with more than one ledger line, it just may not be as common. The image I have found only shows up to one line between the staffs, but you should get the idea.

Reading Notes Above and Below the Staff - Piano World Piano

Bass Clef Notes On the Piano: What They Are & How They Work

Bass Clef Notes - All About Music Theory.com

Notes Above And Below The Staff (Ledger Lines)

How to Read Music Ledger Lines for Piano - Linnea Loves Music

How To Read Bass Clef Notes for Piano

Treble Clef, Notes & Staff - Video & Lesson Transcript

Bracketed noteheads

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How To Read Music - Ledger Lines and Notes on Keyboard & Staff

How to Read Music: Musical Symbols - Notes on a Guitar