To aid us on our quest to find the surface area of a 3D figure, we will use a net. No, not one for catching fish or butterflies. More like one to hold a steaming pizza pie. Duration: 1:24

In this activity, I skillfully match a rubbery, red net with a variety of 3D solids. As much as they may resemble a delicious fruity snack, please refrain from attempting to digest one of them. Just ask [redacted], one of my hungry freshmen from last year. Duration: 4:42

Speaking of fruity snacks, what would happen if you peeled an orange and tried to lay flat the uncooperative peel? Probably some kind of interrupted Goode homolosine projection would be my guess. If you were to find the area of that torn and sad peel, you would be finding the surface area of the orange. That is the geometric measurement a net will help us find. Duration: 4:31