I'm trying to teach somebody to play piano/keyboard, somebody who doesn't know music theory, and I tried to find online a sheet with piano keys and notes, so you can white down the chords and draw the fingering on the keys.
I couldn't find anything like that.
How is that nobody did anything similar? I think it's unlikely for me to be the only one dealing with this problem. If you have a similar problem, here is a free template (as PDF and PNG) to print and use in your teaching.
Here's the PDF: