I worked Sam through a real-life mathematical situation today. We looked at room dimensions in inches and feet, and changed the ones measured in inches to feet by dividing by 12. We then found the areas in square feet. Those were then changed to square yards by dividing by 9. Given this info, we then estimated the cost of carpet installation for a bedroom and closet.
We then moved into the rotations. I gave her a summary sheet that defined different rotations, and she looked at different ones and had to determine the type of rotation based on how the plotted point changed.