Scale Degrees
Scale degrees are the number of values assigned to the steps of the musical scale. The Major and Minor Scales are numbered from 1-7 (8 being 1).
It begins on the Tonic and ends on the Leading Tone.
Tonic → 1 & 8
Super Tonic → 2
Mediant → 3
Sub Dominant → 4
Dominant → 5
Sub Mediant → 6
Leading Tone → 7