Here is another great resource for teaching pitch identification of treble and bass notes on a grand staff. Students fill in a Grand Staff Blank Card with answers from a very low C to a very, very high C.
Zip Files included:
Word- 2 pgs Fill-In Grand Staff Card with Complete Answer Key
Word- 2 pgs Fill-In Grand Staff Card with registers but no letters
Png File of Card
Png File of Complete Answer Key (for use with a projector)