Step #1: Click on the worksheet.

In my canvas, I already have a single page containing the first template of the “Addition” templates. I no longer need to create a new page so I will simply click on the worksheet.

Step #2: Click on the “Regenerate data” option.

To regenerate problems, click on the “Regenerate data” option in the context menu.

After clicking on the “Regenerate data” option, this is what the problems look like: