Layering multiple sketches

I have a geometry task where students use a series of transformations to create a design. I put the coordinate plane in the background with the original shape. The students then draw the result of the first transformation. I am able to get that result to copy over for stage 2 (here is what you drew for step 1, now add step 2), but when I move to stage 3, only the stage 2 drawing copies over…if that makes any sense. Is it possible to have both the background AND what is sketched on the slide become the background of the next slide? Or have the successive sketches appear as an overlay? ETA: I know that I can use the geometry tool, but this is to prep for a specific exam question where they have to draw it themselves

That is definitely possible. You can use the code from this discussion starting on your third screen.

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