Step #1: Changing the Bottom Equation Result Line Style.

In my canvas, I already added the first template of the “Lattice Multiplication” templates so all that’s left for me to do  is change the “Bottom Equation Result Line Style.”

There are three options: Solid, Dashed, and Dotted.

For this demonstration, I will be choosing the “Dotted” option.

Afterward, click on the “Update Worksheet” button.

This is what the worksheet looks like after: