Thanks for that, Jim.
It was interesting, but my mission is to produce printed worksheets for use
away from the computer.

Here's an example - it's not quite what I intend to do, but it's close.

http://mathworksheets.us/addition.php

Cheers,
Alan

"Jim Cone" wrote in
:

You might try my free "Math Practice" workbook - download from...
http://excelusergroup.org/media/

The "Easier" level add and subtract sections may be suitable.
I was never able to get feedback on the age appropriateness of the
program.