This is an introductory math lesson on using base ten blocks (place value blocks) to model 2 digit by 1 digit multiplication. It also show students how to look at the base ten blocks and see it as an array for quicker multiplication. It mmets the 3rd grade Georgia Performance (GPS) standards for math. This lesson has 7 slides and includes an essential question, interactive student practice, internet links, and a summarizing activity. It is designed to be an introduction to this topic and provide guided practice.