Visual Multiplication Further Explained
In this video from tecmath, they break down each step required to multiply two-digits by two-digits using this method. They also breakdown how to multiply three-digit by two-digit numbers.
“Chinese Stick Multiplication”: Additional resource
This article from the Mathematics Education program at the University of Georgia breaks down the steps when multiplying one-digit by one-digit numbers, two-digit by two-digit numbers and then three-digit by three digit-numbers using this method. The author has included visual examples to show you exactly how to group the intersections of sticks to find your products.