Partial Products Multiplication
In this video, the presenter shows three strategies to show partial product. We spend more time showing the later two. The First strategy is an effective strategy, however the later two help set up the students for better understanding, especially with fractions and standard algorithm.
Partial Product Multiplication
In this video, the presenter shows a great example of Open Area. Hope it helps!
Open Area Model Multiplication
In this video, the presenter is working out and explaining how to work out a One Digit X Four Digit multiplication problem with Open Area.
One Digit X Four Digit Open Area