The Musicarta Scale Fingering Groups pages explain in a methodical how the scales at the keyboard are fingered. Start with Group One and work through the series consistently to build a reliable 'bird's-eye view', as per the Scale Fingering Group diagram below.
Fingering Group Two covers left hand scales C major and the sharp keys G through to E, plus the F scale
The fingering is the 'standard' scale fingering that most people remember.
You start with the little finger (LH5) on the tonic (name-note of the scale), and play the group of five notes (5-4-3-2-1), then pass the third finger (LH3) over and play the group of three notes (3-2-1) to complete the octave.
5 - 4 - 3 - 2 - 1 - 3 - 2 - 1
From C, you add sharps (one for G, two for D etc.) as you progress through through the sharp keys. The last sharp added always governs the seventh scale-tone.
Going 'back' into the flat keys, F major takes a flat on the fourth, B (B flat), but you can still play the scale with the 'C major fingering', because tonic F is still a white key.
Watch the video straight through to let the overall plan sink in.
Here are the key signatures for the Group Two scales/keys.
If necessary, use the 3 x 5 + 1 x 8 drill (LH only) to smooth things out.
All white keys - no sharps or flats.
Just the LH/bass clef at the moment. The lozenge shape indicates the tonic/name-note. Use the lower (LH) row of fingering (top row = RH). More info on key-specific keyboards here.
One sharp: F#, the semitone below the octave/tonic. Remember - left hand only for now.
Two sharps: F# (carried over from G) and C sharp. The new sharp is always the semitone below the octave.
Three sharps: F#, C# and G#. Just the left hand!
Four sharps: F#, C#, G#, and new D#. (Left hand only.)
Do you see why the next sharp key - B major, five sharps - cannot use the left hand Group Two fingering?
F major: One flat - B flat (LH2).
Now go on to the Group Three scales.
Scale Practice Patterns (SPPs)
Scale-tone practice patterns (STPPs)
The MusicartaA methodical approach to keyboard syncopation for