Color by number addition and subtraction worksheets are a great way to teach your kids or students basic number recognition, how to use a legend, and it will give them the opportunity to work on their fine motor skills. No matter what the kids are interested in, they are sure to find a color by number here that they’ll love to tackle. Scroll further down the page and you’ll find some free, printable color by calculation worksheets that will help your child or student practice their math facts.