Solfege and scale degrees
Do is scale degree 1, Re is 2, Mi is 3, Fa is 4, Sol is 5, La is 6, and Ti is 7. The names move with the key.
Online ear training
Scale degree ear training teaches you to recognize notes by their place in the major scale. In this tool, those scale degrees are labeled with movable-do solfege.
Movable-do trainer
Do is scale degree 1, Re is 2, Mi is 3, Fa is 4, Sol is 5, La is 6, and Ti is 7. The names move with the key.
The cadence at the start of each question is there to establish the tonal center. Use it as your reference before judging the target note.