Oddly enough I found a great 'trick' for this. Kids hate doing math tests, but turn it into a competition and game and suddenly they love it. Print out a bunch of remedial problems, perhaps 50. And then give them 1 or 2 minutes to do as many as they can. It's just a contest to improve against your own scores over time, with prizes for the kids who score the highest after a month or whatever. It's still literally just…
Imagine having to move a round thing around some other people to get that thing into a square frame. Then, imagine that you can only use your feet!