Browse our cool selection of free and printable dog color by number worksheets and help your kids practice skills like number recognition, using a legend, addition, subtraction, and more. Color by number printables are a fun and simple way to reinforce number recognition and a ton of other useful skills like fine motor skills, creativity, spatial awareness and more. These coloring by number worksheets were created for kids. These are all free and can be printed in. explore the coloring worksheets in the following images below!