Addition and Subtraction Coloring Up to 10

 

I came across this site quite by accident. It's in French, but in short there are several lessons and coloring sheets to help with math facts.

Kids Bored? Let Them Help You Tag the Keys

You can get brightly colored nail polish at the dollar store. Designate which keys get which color, and they can paint them to help tag them. (If the weather's nice, they can do it outdoors.) Not only will this give the kids a sense of being useful, but you'll find the color coding very helpful in the long run.