A colorful reference sheet for the most essential divisibility rules with a rule and example provided for the numbers 2, 3, 5, 6, 9 and 10. A handy reference that facilitates access to a variety of basic math concepts. Decorative enough to post on the classroom wall or to provide as a personal reference.** If you download this FREE product, please leave some feedback. It is greatly appreciated!! Also, if you like this reference, please check out my other resources. I add more all the time.