This helpful math poster for the 2, 3, 4, 5, 6, 7*, 8, 9 and 10 divisibility rules can be added to student notebooks or enlarged for your classroom bulletin board. Students who struggle with multiplication and division will benefit from this poster because of the simplicity and concrete steps. Divisibility rules come in handy when finding GCF, LCM, prime factorizing, simplifying radicals and factoring in algebra. *There are 2 versions of the poster inside-- one with the new 7 divisibility rule