I recommend a simple, fun solution that kids of all ages LOVE: 1. Download DrRacket http://racket-lang.org/download/ http://racket-lang.org/download/ 2. Show t

I recommend a simple, fun solution that kids of all ages LOVE: 1. Download DrRacket http://racket-lang.org/download/ http://racket-lang.org/download/ 2. Show the kids cool functions from the 2htdp/image library, like (circle 10 'solid 'red) 3. Show them the animate function from the 2htdp/universe library 4. Leave them to their devices and instruct when they have questions It won't be long before they want to make a game, and they'll need to learn all sorts of things about coordinates, shapes, colors, animations, and functions. Kids love functions. They'll have no idea how much math they're doing, yet at the end of the day they'll actually get it. For probability, check out the (random) function.