This is how it works. The cookie represents the "groups of", and the chocolate chips are how many that are in the group. So, 2 x 3 would be two cookies with three chocolate chips on each one.
On the left half of the cookie sheet there are four groups of five chips. On the right, there are five groups of four chips. I had her do it this way to demonstrate how if you reverse the numbers in the problem, the product is the same. Twenty chips. She did a few more problems, until I decided that we had enough cookies for one day.