MakingMusicFun.net has three piano scale and arpeggio sheets for easy/intermediate students. The free printable scale sheets include fingerings.
C Major Scale and Arpeggio Easy and Intermediate
F Major Scale and Arpeggio Easy and Intermediate
G Major Scale and Arpeggio Easy and Intermediate
True-Piano-Lessons.com has a great pages with scales and videos. It’s read only, but helpful.
Major Scales I (the flat keys + C Major)
Major Scales II (the sharp keys)
OnlinePianoCoach.com offer two free printable pages of major scales in all 12 keys.
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