Multiplication STRATEGY Activity Pack - Lessons and Activities This pack is intended to help teach the correlation between multiplication and addition. Ideal for 2nd and 3rd grade classrooms. I created this pack to use in my own third grade classroom. Two day lesson plans are included for each multiplication strategy: repeated addition, arrays, and equal groups. (A total of 6 days of lesson plans). Each strategy group has two days of lesson plans that include whole group instruction and practice