Whew! Today was a big one. It started off a little crazy first hour (maybe because it’s Monday), but finally got it going. Here goes my lesson on three-dimensional shapes and their nets. I started off the lesson talking about two-dimensional figures. That they only have two dimensions: length and width. I drew a picture of a rectangle on the board and demonstrated this. I then told them that three-dimensions have the length and width like 2D have, but we add another dimension….height. I then handed out colored paper (Monroney blue for this project, Go T-Birds!) and explained my love for foldables (handy graphic organizers). I took pictures, so we’ll see how this tutorial turns out…….
First take a blank piece of colored paper……..
Then fold the paper in “Hot Dog” style…….
Fold one side of the paper two-thirds of the way to the other side……
Then fold the other side to meet the opposite edge………
Open the shape up and cut down the creases on one side of the paper…….
We labeled the three flaps…..”2D Shapes, Pyramids vs Prisms, and Cylinders vs Cones”
On the inside of each flap, we listed the different names for the different sided polygons under “2D Shapes” flap. We listed the characteristics of pyramids and prisms under the flap for “Pyrmaids vs Prisms”. Finally we listed the different characteristics for cones and cylinders under the flap labeled “Cones vs Cylinders.”