As a lead in, we use the book "Zoom" by Istavan Banyai (even
if you don't do grids - this is a neat book... only pictures) The kids do a
contour drawing of a shoe, and it is repeatedly enlarged until you can't tell
what is is. When they are finished they have a series of 5 or 6 drawings,
with the last one done in color (anything goes). We also look at examples of
Chuck Close's artwork, especially recent examples so the kids see that a
'grid' doesn't always have to be lines intersecting at right angles.
We also look at Stan Herd's book "Crop Art" to see the use of grids on a
All of this can be tied into the anamorphic drawings too.
This isn't the only way we practice seeing - we have a still life set up
too.. (but who's to say the viewfinders wouldn't have grids...) I have
been amazed at kids that have been successful with this type of drawing (it
has helped illustrate somethings in math too), and it is just a starting