Unit 2, Lesson 17# Divisibility Tests for 3 and 9

EngageNY 45 min(s)

Students apply divisibility rules, specifically for 3 and 9, to understand factors and multiples. Students already have knowledge on the divisibility rules of 2, 4, 5, 8, and 10. The Opening Exercise helps students review the divisibility tests for the numbers 2, 4, 5, 8, and 10.