How do you teach a 7 year old to subtract? My attempt at learning flash and also understanding the psychology of a 7yr old. Tried to make it fun/colorful, relate to situations that are very familiar in daily life, provide some adrelanine rushes, some instant gratification via bells and whistles, and some non-trivial insight as well (for a 7yr old), general themes I would probably like to weave into all material here. Have beta-tested this with a couple of kids (the transitions might seem a bit slow but that is the speed at which 7 year olds read). The speed trial is a decent hit, the show me how is a bit too dense (any ideas how to make that better?). If your kids play with it, I would like to hear their comments.

Ack: The critter cartoons above are borrowed (I have lost track of the source though), all else is home-brewed.