We are moving into the concept of multi-digit multiplication now.  It is a difficult concept, and takes some practice.  Yesterday we began with the idea that if you know what 2x4 is, then you can do 20x4, or 200x4  just as easily.  Today we started working with two digit by one digit multiplication (without regrouping).  So we did problems like 23x3, and 42x3.  The goal here is for students not only to understand how to solve that problem, but also to understand why you are multiplying the ones by 3 and then the tens by 3.  Understanding the concept will help them when we move into multiplying with regrouping!